Document wr1XQvDmpbLK3d62mLDvLJYN4

FILE NAME Johnson & Johnson JAJ DATE 1955 Sept DOC JAJ215 DOCUMENT DESCRIPTION IH Digest Lit Abstracts 1955 Kleinfeld article on Talcosis pg 33 BC Notes This is another article tied to & which was a member of Industrial Hygiene Foundation from 1951-57 and thus received the Indust Hyg Digest with abstracts of articles on talcosis Here is another abstract p 33 of the IHF Digest citing a 1955 Kleinfeld article Barry Castleman Comments - This is another article tied to & which was a member of Industrial Hygiene Foundation from 1951-57 and thus received the Indust Hyg Digest with abstracts of articles on talcosis Here is another abstract p 33 of the IHF Digest citing a 1955 Kleinfeld article IH Digest Lit Abstracts 1955 Kleinfeld article on Talcosis pg 33 4910-8UNZ 1999 Industrial Hygiene Digest November ABRAMES ABRAMES ABRAMES ABRAMES ABRAMESABRAMES ABRAAMBESRAMES ABRAMES ABRAMES ABRAMES INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL ... decisions and trends SEPTEMBER 1955 Vol 19 No. 9 RE RE RE IN INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE - PITTSBURGH 13 PA 5113 PLAINTIFF'S No. EXHIBIT Blumberg 181 aan . 4 $s, : NOUSTRIAL HYGIEME FOUNDATION = Volume 17 199 FOUNDATI FOUNDATION FOUNDATION FOUNDATION FOUNDATION FOUNDATION FOUNDATI FOUNDATI FOUNDATION FOUNDATION FACTS September 1955 Foundation Facts is a monthly latter issued to industriat concerns holding membership in Industrial Hygiene Foundation The Foundation is a nonprofit association of industries for the advancement of healthful working conditions No. 9 0016165 0165 199 199 November November November November November DR WALMER PARTICIPATES IN CONFERENCE Dr. C. Richard Walmer Managing Director of the Foundation presented a paper on Who Are Mentally and Physically Handicapped Workers at a Conference on Industry's Stake in the Handicapped on September 8. The conference was part of a course for management offered at the Management Center School of Business Administration Marquette University November November November November November November November Bo. = en ABRA ABRA ABRA ABRA ABRA ABRA : : RE RE RE RE IN IN NEW REPRINTS AVAILABLE Toxicologic Two reprints on a broad Toxicologic Study of Calcium Halophosphate Phosphors and Antimony Trioxide are available The first Part I takes up Acute and Chronic Toxicity and Some Pharmacologic Aspects Part II is concerned with Pulmonary Studies The papers are based on investigations conducted in Industrial Hygiene Foundation's Toxicology Laboratory by Paul Gross M. J. H. U. Brown Ph .; Marian L. Westrick Ph D. Raymond P. Srsic Nancy L. Butler and Theodore F. Hatch The articles were published in the M. Archives of Industrial Health June 1955 vol 11 pp 473-478 Reprints of a paper on Biologic Testing of New Materials of Fine Particle Size presented by Paul Gross M.D. Research Pathologist for the Foundation at the IHF's 19th Annual Meeting may be had on re- quest 20TH ANNUAL MEETING OF H Subsequent pages of this issue of the Digest carry details on the program for the coming Annual Meeting on November 16-17 to be held at Mellon Institute We are proud to bring together such a distinguished group of speakers to discuss for you major industrial health problems facing management today Complete preliminary programs will be mailed to representatives of member companies in October and we hope that each company will designate personnel to attend the management session and the technical conferences which include Medical Legal Engineering and Toxicological sessions Innovations this year are the Joint Medical and Toxicological and the Joint Engineering sessions REMEMBER THE NOVEMBER 16-17 1955 INDUSTRIAL HYGIENE FOUNDATION H 4400 FIRTH AVENUE 03119993 PITTSBURGH 13 PA 1992 1992 1992 1992 1992 1992 1992 1992 1992 NovemberNovember November November NovemberNovember November November November November November November NovemberNovember 3 3 3 ( A ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM CU CU CU CU CU CU CU CU NI NI NI NI Industrial Hygiene Digest TABLE OF CONTENTS September 1955 0016166 016 Program of 20th Annual Meeting of F . News Items . Coming Events Occupational Disease Statistics . Legal Developments . Books Pamphlets and Notices Industrial Medical Practice . Skin Diseases and Burns Chemical Hazards . Industrial Dusts . Physical Aspects of the Environment Radioactivity and Radiation Environmental Measurements Community Air Hygiene Management Aspects . Accidents and Prevention . Index . . e 5 5 13 25 . 52 03119994 Program of 20TH 0167 19 9 ANNUAL MEETING INDUSTRIAL November HYGIENE FOUNDATION OSTOST OST MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH PA NNI I 03119995 November 16 and 17 1955 0016168 Thursday November 17 1955 F GENERAL MEETING ) MORNING SESSION 9:30 M. Auditorium Mellon Institute 0 16 8 1199 1199 Chairman Andrew Fletcher President St. Joseph Lead Company Board Chairman Industrial Hygiene Foundation ADDRESS mbent OF WELCcO cc ceM ceceE enc ceeceas Dr. Dr. R. Weidlein President Mellon Institute mbent mbent FACTS .... cece eae eee eee eee eenes Dr. Dr. C. Richard Walmer Managing Director Industrial Hygiene Foundation A. R. FISHER President and Director of Manville Corporation has devoted his career since 1923 to familiarizing himself with every phase of Manville production and is an outstanding authority on the mining and technology of asbestos In November 1937 Mr. Fisher became Vice President of Manville Products Corporation Eight years later he was made a Vice President of Manville Corporation and in 1951 was elected a Director and named President He is a member of the Board of Trustees of Industrial Hygiene Foundation any re GRADUATE EDUCATION FOR INDUSTRY'S PROFESSIONAL PERSONNEL DR J. ROSCOE MILLER Northwestern University's twelfth president is physician who rose through the faculty ranks to achieve the top administrative post of the University at the age of 44. Prior to his appointment he was dean of the Northwestern University Medical School from 1941 to 1949. During World War II Dr. Miller was head of the medical branch professional division of the Bureau of Medicine and Surgery with headquarters in Washington D.C. He held the rank of Commander in the U. S. Naval Reserve DR DANIEL C. BRAUN Medical Director of Industrial Hygiene Foundation since 1952 was formerly medical director of the Pittsburgh Coal Company He served as adviser to Westinghouse Electric Corporation in its supervisory health program and as consultant in occupational medicine to various companies before joining the Foundation staff He is on the faculty of the University of Pittsburgh School of Medicine and Lecturer in occupational health in the Graduate School of Public Health He is Chairman of the Commission on Industrial Health and Hygiene of the Medical Society of Pennsylvania 03119996 AFTERNOON SESSION 2:00 P.M. 0016169 0016169 EGET EGET EGET EGET EGET EGET EGET MOQUIOAON MOQUIOAON MOQUIOAON MOQUIOAON MOQUIOAON Chairman Dr. J. C. Warner 0016169 President Carnegie Institute of Technology 0016169 - INDUSTRIAL APPLICATION OF ATOMIC ENERGY MWBB MWBB DR W. E. SHOUPP is assistant manager of the Atomic Power Division of Westinghouse Electric Corporation He was formerly director of development for the Division and is noted for his outstanding organizational ability in the fields of electronics and nuclear energy research and development and particularly in the development of the first submarine atomic power plant He is codiscoverer of photofission of uranium atoms by speed gamma rays with a commensurate release of large amounts of energy Dr. Shoupp joined Westinghouse as a Research Fellow in 1938 at the Westinghouse Research Laboratories where he held various posts until his appointment to the Atomic f1 Power Division in 1949 MOQUIOAON MOQUIOAON MOQUIOAON MOQUIOAON MOQUIOAON POLLUTION CONTROL IN THE CHEMICAL INDUSTRIES MOQUIOAON | MOQUIOAON MOQUIOAON MOQUIOAON MOQUIOAON MOQUIOAON 7 M. F. CRASS JR Treasurer of Manufacturing Chemists Association Inc. since 1953 joined the Association as Assistant Secretary Prior to that time he had been assistant the general superintendent of Goodyear Tire & Rubber Company instructor in chemical engineering at Case Institute of Technology and chief chemist for Palmer Match Company He has written numerous articles relating to statistics economics and transportation in the match and chemical industries and is the author of Chemical Facts and Figures editions of which were published in 1940 and 1946 ABRAMS MEASUREMENT AND MACHINE ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS DR WILTON M. KROGMAN is Professor of Physical Anthropology in the University of Pennsylvania's Graduate School of Medicine and the Evans Institute of Dentistry and is Director of the Philadelphia Center for Research in Child Growth having held both posts since 1947. His educational career in the field of physical anthropology began in 1929 at the University of Chicago and he subsequently taught at Western Reserve University Dr. Krogman is an authoritative writer on the subjects of evolution growth race and forensic medicine and author of the book Growth of Man RE RE RE RE CURRENT TRENDS IN WORKMEN'S COMPENSATION RE RE RE 03119997 IINN DR ARTHUR LARSON Under Secretary of Labor appointed to the position by President Eisenhower on April 12 1954 had been Dean of the University of Pittsburgh School of Law His background includes college administration government service law practice and the authorship of books and articies on labor legislation social security and education Dr. Larson's known '' work is a volume treatise on The Law of Workmen's Compensation published in 1952 which is the leading treatise in the field and is regularly cited in the appellate courts o Pa A R^'sum^o'f the H TECHNICAL CONFERENCES PROGRAMS r) J Wednesday November 16 1955 Mellon Institute 336666 01670 366 The MEDICAL CONFERENCE will bring management representatives together with Industrial physicians for a frank discussion of the problems that arise between the two groups ~ through misunderstandings of their respective functions and through poor communication and lack of sympathy with the other's problems The subject before the panel is Company Communication Between the Medical Department and the Operating Department Mental health and the industrial physician's approach to the problem in industry will also be featured health the program Nation A JOINT MEDS AND TOXICOLOGICAL CONFERENCE is an inno- Nation at this year's meeting The interdependence of the two fields in any truly effective Preventive medical program will be demonstrated Two toxicologists and two industrial phys- will discuss research developments for detecting early functional changes caused by cians exposures to toxic materials and their application by the medical profession Man- eexcexs icve essive -agement personnel are invited to participate in this session also Zaspects The TOXICOLOGICAL CONFERENCE will include industrial hygiene of ultrasonics along with papers on analytical methods Part of the afternoon session will be devoted to answering specific questions raised by member companies The LEGAL CONFERENCE will take up the legal aspects of current industrial health problems Topics will include a legislative review of workmen's compensation and a discussion _ the Federal Employers Liability Act and the effect upon industry of litigation arising under ~~ Act An attorney and an industrial physician will discuss from their respective standpoints presentation of medical testimony in compensation cases eae year A JOINT ENGINEERING CONFERENCE will be held for the first time this year featuring a panel discussion on The Engineering and Legal Aspects of Management's Responsibility for the Control of Industrial Hazards Three broad phases will be manage- _ment's responsibility for air pollution control and prevention of occupational injuries and its Cobligations under workmen's compensation laws Included will be the question of public liabil- my inin preparing the marketing products that might be injurious to health proper labeling of Products sold by industry regulations for the control of industrial hazards and the role that the medical and industrial hygiene departments play in this respect and the responsibility of State Industrial Accident Commissions for the prevention of industrial injuries administration the law and rehabilitation of injured employees Representatives of management medicine imdustrial hygiene and engineering insurance labor and workmen's compensation will partici- pate in the panel discussion The ENGINEERING CONFERENCE will bring to the attention of plant engineers new rinformation and ideas on engineering measures that may have effects on the working environ- Kent Included will be a discussion of developments in air and gas cleaning = L ~ Detailed information on speakers and subject material will appear in the October issue of Industrial Hygiene Digest on these pages Preliminary programs will be mailed as soon as possible 03119998 September 1955 Volume XIX No. 9 Industrial Hygiene Foundation 4400 Fifth Avenue 0016171 Pittsburgh 13 Pennsylvania 198 0167 1998 1998 INDUSTRIAL HYGIENE DIGEST 1998 Literature and News 1998 If s\' Zi Ie ( val DAONI DAONI DAONI DAONI DAONI DAONI DAONI DAONI DAONI DAONI ) ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMABRBAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMB ABRAMBABRAMB ABRAMB RE RE NEWS ITEMS 1030 Air Pollution A broad federal program of research and technical assistance in air pollution problems is urged by a Federal interdepartmental committee on air pollution The committee recommends legislation authorizing such a program and suggests that it be administered by the Department of Health Education and Welfare with the assistance of a permanent interdepartmental committee on community air pollution The committee report reaffirms the principle of state and local responsibility for air pollution by 1 recommending Federal aid by conducting research and serving as an information and demonstration center 2 providing technical assistance and 3 calling attention to the need for exemplary practices in factories and other sites operated or controlled by the Federal government The specific chemicals and their concentrations which have ill effects ranging from annoyance to death have yet to be determined -- J. Am Med Asso 1031 Symposium on Health Hazards of Chemicals A feature of the meeting of the American Association for the ; Advancement of Science at Atlanta Georgia Dec. 29 will be a symposium on toxic chemicals and their hazards sponsored by the Committee on Toxicology of the American Medical Association Dr. Bernard Conley secretary of the M. Committee on Pesticides which is sponsoring the discussion will be moderator Other authorities in the field will participate 03119999 Industrial Hygiene Digest September 1955 1032 Air Repair Changes Name ECGI_JOQUIOAN 0167 ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON The quarterly publication of the Air Pollution Control Association now in its fifth volume and heretofore called Air Repair will now be known as the Journal of the Air Pollution Control Association ECGI_JOQUIAON 13 Pa ECGI_JOQUIOAON The address of the Association is 4400 Fifth Ave. Pittsburgh ECGI_JOQUIOAON The August number contains a number of papers referring to automo- ECGI_EJCOGIQ_UJIOOQAUIOONAON bile exhausts as a source of air pollution Those papers are abstracted ECGI_JOQUIOAON ECGI_JOQUIOAON in the Community Air Hygiene section of this issue of the Digest ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOA N 1033 ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIOAON ECGI_JOQUIEOANCGI_JOQUIOAON ECGI_JOQUIOAON >} ABRAMIABRAMI ABRAMI Grants for Rehabilitation Grants totaling 209,517 have been made to public agencies in 19 states by the Office of Vocational Rehabilitation to expand services for the handicapped Under the matching plan each state provides $ for each $ in federal funds The grants supplement the basic federal vocational rehabilitation allotments to the states Pro- jects to be aided include a model citrus grove to help the blind learn how to raise citrus fruit and to demonstrate how their abilities can be adapted to a specific agricultural pursuit a machine that helps to deter mine the nature and amount of work that people with heart ailments can safely do and an obstacle course that prepares the blind for the obstacles they are likely to encounter during a normal day's travel The Adjustment Center for the Blind in Daytona Beach Florida will operate the citrus grove and the obstacle course and the District of Columbia Cardiovascular Diagnostic Center will conduct the project to measure the work tolerances of patients with heart disease -- J. Am Med Assn ABRAMI ABRAMI ABRAMI : RE RE RE ININ DIFFICULTIES OF ATOMIC PHYSICISTS-- At an open meet- ing on Nuclear Radiation Hazards and their Political Implications in Washington D. C. April 28 W. S. Livingston presiding de- scribed the difficulties the planning committee encountered in find- ing a physicist to speak on the program Refusals were made for various reasons Two physicists employed in the Defense Depart- ment accepted the invitation but later withdrew when the Depart- ment imposed new restrictions on statements by its employees The experience illustrates the political dilemma those who know won't speak and those who don't know cannot speak with authority A Senator and a Representative who appeared on the program as well as scientists expressed concern over the needless secrecy restrictions -- Cond from Science 03120000 03120000 Industrial Hygiene Digest September 1955 1998 1998 1998 19 81998 1998 1998 November November November November NovemberNovember November NovemberNovember November November NovemberNovember November : : : : ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM RE RERE RE RE RE RE IN IN IN IN IN 01673 1034 Oct. 6-7 COMING EVENTS National Foundry Association Chicago Ill Oct. 10-12 Association of Official Agricultural Chemists Oct. 10-14 Oct. 13-17 Washington D. C. Course in Occupational Skin Problems Kettering Laboratory University of Cincinnati Cincinnati O. International Academy of Legal and Social Medicine Oct. Oct. Oct. Oct. 17-20 18 18-26 19-21 Genes Italy National Pest Control Association Denver Colo American Society of Safety Engineers Chicago Ill National Safety Council Chicago Ill Gray Iron Founders Society of America Milwaukee Wis Oct. 24-25 Oct. 24-26 Oct. Nov 4 Oct. -Jan Nov. 13 Nov. 13-20 Steel Founders Society of America White Sulfur Springs W. Va American Standards Association Washington C. American College of Surgeons Chicago Ill American Management Association Workshop and Orientation Seminars mostly New York American Society of Mechanical Engineers annual meeting Chicago Ill Third American Congress on Industrial Medicine Caracas Venezuela Nov. 14-18 Nov. Feb 3 American Public Health Association Kansas City Mo. Short Course in Occupational Medicine Graduate School Nov. 27-30 Nov. Dec 1 Nov. Dec 2 of Public Health University of Pittsburgh American Institute of Chemical Engineers meeting Detroit Mich annual ; Ninth Exposition of Air Conditioning and Refrigeration Industry Atlantic City N. J. American Medical Association Clinical Meeting Boston Mass Dec. 1-3 Dec. 5-7 American Society of Refrigerating Engineers annual meeting New York N. Y. Chemical Specialty Manufacturers Association annual Dec. 5-9 Dec. 10-16 meeting Rochester N. Y. Exposition of Chemical Industries Philadelphia Pa Atomic Exposition American Institute of Chemical Dec. 10-17 Dec. 12-16 Dec. 15-17 Engineers Detroit Mich Nuclear Congress and Atomic Exposition and Nuclear Engineering and Science Congress New York N. Y. Nuclear Engineering and Science Congress Cleveland O. Acoustical Society of America semiannual meeting Providence R. I. 03120001 Industrial Hygiene Digest September 1955 01674 1992 1992 1992 OCCUPATIONAL DISEASE STATISTICS 1992 1992 1992 1992 1992 1992 1035 Occupational Disease Statistics November November November November November November November November November November November November Chronic Berylliosis Dermatitis Pneumoconiosis Dust inorganic Pulmonary Silicosis Anthracosis Silicosis Dust free silica Tuberculosis Undulant Fever Conn 1 July 1955 1 51 l 1 I 1 2 2 Conn 1 Aug. 1955 58 ** 1 Ind 1 Aug. 1955 *** Total 1 118 1 1 I \ 1 2 2 Se, ABRAM Total 60 59 9 Occupational disease cases reported to the State Board of Health 128 ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM RE RE RE RE Acids alkalies chromium and compounds cyanides inorganic organic mechanical irritations nitro and amino compounds rubber chemicals soap solutions glue etc. and ultra violet caused one each carbon tetrachloride and synthetic resins and chemicals caused two poisonous plants caused three solvents N.O.C. caused six and oils fats and waxes caused twenty Abnormalities of temperature cyanides organic formaldehyde lead and compounds mechanical irritations and poisonous plants caused one each inorganic infections and N.O.C. undetermined caused two acids and soap solutions glue etc. caused four rubber chemicals caused six solvents N.O.C. caused seven synthetic resins and chemicals caused eight and oils fats and waxes caused sixteen ININ IN IN Grinding compound and tomatoes caused one each oil caused three and the cause of four other cases was not stated 03120002 Industrial Hygiene Digest September 1955 19 2 01675 LEGAL DEVELOPMENTS NovemberNovember November November NovemberNovember November NovemberNovember November 1036 New Legislation In Delaware compensation will be paid for chiropratic services rendered to an employee who has a compensable injury or occupational disease Hawaii has increased compensation and occupational disease benefits Certain benefits have been increased in Illinois and Michigan In Missouri changes have been made in payments to second injury funds Slight changes have been made in the Oklahoma compensation law Vermont has raised some benefits changed medical and surgical benefits and extended coverage In Wisconsin the most important change is the addition of a new section dealing with occupational deafness and the deletion of all earlier provisions relating to loss of hearing due to industrial noise The new section provides that compensation be paid only when wage loss is incurred and clears the confusion that has led to much controversy Some benefits have been increased -- Cond from CCH ABRAM ABRAM BOOKS PAMPHLETS AND NOTICES 1037 Radiation Biology Vol 1. High Energy Radiation editor McGraw Book Co. Inc. 330 W. 42nd N. Y. Two parts total 1265 pp 1954 17.00 A. St. Hollaender New York 36 This book was prepared under the auspices of the Committee on Radiation Biology of the National Research Council Four additional collaborating editors and number of others have contributed to this work It is the first of three volumes dealing with the biological effects of radiations throughout the energy spectrum This volume is confined to high energy or ionizing radiation The first chapters present the principles of radiological physics measurement of ionizing radiations for biological purposes physical principles underlying the various biological 5 03120003 Industrial Hygiene Digest September 1955 0016176 reactions and basic radiation biochemistry The effect of rays on 1992 1992 1992 11999922 knowledge 0167 1992 biological systems is discussed Several chapters deal with various aspects of genetic and prenatal effects The pathology of direct effects are next considered including histological and hematological effects and carcinogenesis References are numerous and the book consti- tutes a thorough summary of the of the effects of ionizing radiations -- FFR 1992 1992 1038 November November November November November Radiation Biology Vol 2. Ultraviolet and Related Radiations A. Hollaender editor McGraw Book Co. 330 W. 42nd St. New York 36 N. Y. 593 pp 1955 8.00 November NovemberNovembr November November November November This volume also the work of a number of collaborators and under the same auspices describes the effect of the ultraviolet part of the spectrum and of ionizing radiations not covered in the first vol- ume In addition this volume is of special interest to investigators in food preservations industrial application of ultraviolet in general and the use of ultraviolet as an analytical tool Microbiology is discussed in both volumes but occupies a more prominent place in this volume Among the chapters of special interest are those on prac- tical applications and sources of ultraviolet energy sunlight as a source of radiation the effects of ultraviolet radiation on genes and chromosomes protozoa viruses bacteria and fungi and the role of ultraviolet in causing sunburn and cancer This volume also valuable compendium on the subject -- FFR Cal [ 1039 1039 4 Industrial Recreation A Guide to Its Organization and Administration J. M. Anderson McGraw Book Co. Inc. 330 West 42nd St. New York 36 N. Y. 304 pp 1955 5.00 ABR ABR ABR ABR ABR ABR : RERE IN The growing importance of industrial recreation is attested by publication of this book The first part of the book defines indus- trial recreation calls attention to its need and benefits summarizes its growth and development in the United States and lays down the general recommended principles and policies In Part 2 procedures are given for planning and initiating a program and the various recre- ation activities are discussed One point emphasized is that the em- ployee should have free selection of his type of recreation The third and longest part deals with administration of recreation including selection of leaders preparation for leadership financing the program and evaluation of its results A chapter deals with intercompany rec- reation associations Facilities and equipment records and reports publicity and public relations and liability for accidents are discussed Model constitutions and bylaws for company and intercompany recreation associations are presented in appendixes The plan of the Purdue indus- trial recreation interest survey a list of national organizations providing recreation services and rating scale for evaluation are subjects of other appendixes appenapendidxes ixes Altogether the book is a comprehensive discussion of the subject subject -~ FFR 03120004 6 Industrial Hygiene Digest September 1955 0 16 7 1040 Methods for Determining Lead in Air and in Biological Materials American Public Health Association 19 N. Y. 69 pp 1955 1.25 Inc. 1790 Broadway New York SCCI SCCI SCCI SCCI The original report published in 1944 has been completely revised and rewritten by the Committee on Chemical Procedures of the SCCISCCI Occupational Health Section of the A.P.H.A. with the cooperation of other committees The general organization of the original report has been followed The seven major sections are introduction col- JOQUIOAON JOQUIOAON JOQUIOAONJOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAN lection of samples preparation of samples for analysis recommended procedures dithizone methods physical methods and bibliography The section on collection of samples has been appreciably expanded In the dithizone section some methods have been replaced by improved procedures A new rapid screening test for urinary lead has been added -- FFR 1041 Statistics of Therapeutic Trials G. Herdan Elsevier Publishing Co. 2330 Holcombe Blvd. Houston Texas 367 pp 1955 10.50 This book is a guide for physicians who wish to apply the ap- propriate statistical techniques in the evaluation of data resulting from therapeutic trials Although mathematics is necessarily involved to considerable extent the essential mathematics is greatly simplified and the treatment is primarily clinical rather than mathematical The most suitable statistical methods are presented for acute and chronic ABRAMS diseases Complete details are given concerning the best sampling procedures for each disease discussed and the design of therapeutic trials The diseases considered include pneumonia poliomyelitis cancer pulmonary tuberculosis and a number of other common dis- eases, Occupational diseases and the effects of industrial poisons are not considered specifically but it can be judged that there would be no ABRAMS ABRAMS ABRAMS great difficulty in applying the general principles to such studies as the various effects of air pollutants -- FFR ABRAMS ABRAMS ABRAMS RE RE RE RE RERE RE 1042 Analysis of Insecticides and Acaricides F. A. Gunther and R. C. Blinn Interscience Publishers Inc. 250 Fifth Ave. New York 1 N. Y. 696 pp 1955 14.00 The analysis of insecticides and related materials has become important from the public health standpoint especially since many of these substances leave residues in vegetation used as foods by persons and animals and may be toxic when ingested in sufficient quantities This volume which No. 6 in the series of monographs on chemical analysis throughly treats the analysis of foods and other materials for each of the insecticides and acaricides commonly used in agriculture The first chapters deal with the problems in securing quantitative residue Industrial Hygiene Digest September 1955 87190-8MH data and in analyzing technical grade materials and formulated products The remainder of the book describes sampling measuring processing CCET CCECTET 87190-8MH CCET CCET cleanup and analytical methods Detailed methods are given for about 90 insecticides and acaricides Fungicides rodenticides and herbicides are not included but the principles outlined in the first part of the book apply to those materials as well as to insecticides -- FFR CCET CCET CCET CCET 1043 HOQUIOAON HOQUIOAON HOQUIOAON HOQUIOAON Human Factors in Highway Transport Safety R. A. McFarland and A. L. Moseley Harvard School of Public Health 695 Huntington Ave. Boston Mass 295 pp 1954 Obtainable at above address HOQUIOAON HOQUIOAON HOQUIOAON HOQUIOAON This report presents the results of the various phases of a research project on human factors in transport safety conducted during the past few years The many aspects of safety with which the human factor is related are treated The subjects discussed include selec HOQUIOAON tion of drivers by means of psychological testing and studies of driving HOQUIOAON records studies of accident repeaters medical problems in the indus- HOQUIOAON try and medical requirements for drivers effects of alcohol drugs HOQUIOAON and fatigue human aspects of vehicle design studies of driver activities critical incidents and errors and analysis of accidents in the trucking industry -- FFR 1044 _ : : ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAMABRAM : RE RE RE RE RE RE Proceedings of the Governor's Conference and Exhibit on Atmospheric Pollution New Jersey State Department of Health February 19 and 20 1952 Trenton N. J. 87 pp 1955 Obtainable from New Jersey State Department of Health Bureau of Adult and Industrial Health 17 West State St. Trenton N. J. | The following papers were presented at this Conference and are presented in Air Pollution Status Today A. D. Brandt " Measuring the Intensity of Air Pollution W. C. L. Hemeon Chem- icals Involved in Air Pollution and Their Effects on Vegetation P. W. Zimmerman Performance of Inertial Collectors L. Silverman Filters and Cloth Collectors A. C. Stern Air Pollution Control Equipment Scrubbers C. H. Nichols Electrical Precipitation as Applied to Air Pollution Reduction R. L. Chamberlin Plantwide Air Pollution Control R. J. Jenny Fly Ash Problems and Costs G. F. Jenkins Atmospheric Pollution in Tetryl Manu- facture E. W. Schneider Some Air Pollution Problems of a Fire Chemical Manufacturing Plant I. R. Lewis and D. J. Cestoni and Controlling Fluoride Emissions from Phosphate Rock Acidulation A. B. Pettit -- FFR IN IN IN IN IN nanos 03120006 Industrial Hygiene Digest September 1955 01679 T66I T66I INDUSTRIAL MEDICAL PRACTICE TT666I 6I T66I T66I T66I JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAONJOQUIOAON JOQUIOAON JOQUIOAON 1045 Occupational Health Publications in the United States Prior to 1900 C. P. McCord Ind Med & Surg 24 363-368 Aug. 1955 It is often stated that less than 20 scientific articles on occupa- tional health were published in the United States before 1900. Actually the number was greatly in excess of 20. The author lists 200 publications on the subject mostly taken from the Proceedings of the Second National Conference on Industrial Diseases in 1912. It is not claimed that the list is exhaustive JOQUIOAONJOQUIOAON JOQUIOAON ABRAMS ABRAMS ABRAMS ABRAMSABRAMS ABRAMS ABRAMSABRAMS ABRAMS ABRAMS ABRAMS 1046 Medical Research in the United States Navy H. T. Karsner Armed Forces Med J. 6 1093-1102 Aug. 1955 U. S. Medical research in the Navy is essential to the combat readiness of the service The organization and work of the various research laboratories are described Uniformed and civilian person- nel at different levels of rank under the managemenotr technical con- trol of the Bureau of Medicine and Surgery in the United States and overseas participate in the work The studies may be operational supporting or basic and contributions are made in dental science and preventive medicine Coordination is assured by bodies in the Department of Defense and by governmental and civilian agencies With full recognition of the significant contributions of civilian scientists the maintenance of a strong corps in uniform is of utmost importance to the over morale of the Naval Medical Department -- Cond from author's summary ABRAMS ABRAMS 1047 : RERE RE RE RERE IN IN INININ Fundamentals of Human Behavior in Industrial Medicine Ind Med & Surg 24 348-351 Aug. 1955 C. Leggo The question is often asked whether the industrial physician owes loyalty to the employer or to the employee The author accepts the view that he is ambivalent although that is an oversimplified answer to an oversimplified question Several typical situations are described illustrating the difficulties of the physician in applying the principle What he can do for the patient must be his central aim and in following that principle he also indirectly benefits the employer 03120007 9 Industrial Hygiene Digest September 1955 Psychiatry and directive therapy should be part of the industrial 0 16 80 physician's functions The author predicts a much greater use of in- dustrial psychiatry than is employed at present The physician must J adapt himself to the present patterns of social benefits which are still ; 19 1999 1999 1999 1048 in a formative stage Training in Occupational Medicine Plant Year Report of the 1999 November Committee on Education and Training Industrial Medical Association 1955. Ind Med & Surg 24 373-377 Aug. 1955 NovemberNovember November November November The general program of plant training is described and schools and companies participating in the program are listed The areas of training and number of physicians training at various establishments are tabulated as percentages of the totals November 1049 Laudable Absenteeism Editorial Ind Med & Surg 24 382 Aug. November November 1955 November November November November ABRAMS ABRAMS ABRAMS The claim that medical departments reduce absenteeism is justified But at times and justly so the medical department creates absenteeism When the plant physician in his good judgment sends home a worker with an early virulent upper respiratory tract infection not only is he serving the individual's interest but he is protecting others _ This is not always apparent to the keeper of absentee records who thinks only in terms of digits and percentage symbols At times the plant physician may face with pride the charge of being a fomentor of absenteeism although he may have no pride in the appearance of those affections that caused his preservative action Nutrition Education in Industry 129 15-16 Aug. 1955 Mildred D. Thomas Nursing World ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS A random survey of 610 male workers in New Jersey showed that about half the men observed normal eating requirements A pub licity campaign by Merck & Co. designed to acquaint employees and their families with proper nutrition is described Follow of the project included interviews with individual employees and advice on special corrective diets 1 1051 Blood Examinations in Industry A Comparison of Blood Cell Counts from Ear Lobe and Thumb Pulp A. Butterworth and N. Goodman Brit J. Ind Med 12 172-173 Apr. 1955 Samples of blood from two peripheral sites the ear lobe and the thumb pulp were taken in the course of routine examinations of . 03120008 10 Industrial Hygiene Digest September 1955 0016181 1992 1992 19921992 11999292 workmen The total white cell and differential counts showed no statisti- 0 16 8 cally significant difference for the two sites Red cell counts are con- sistently a little higher in the ear The hemoglobin estimations showed a similar but insignificant tendency The difference is so small that there seems to be no reason to forego the practical advantages of using the ear lobe as a source of blood in industrial medical practice -- Cond from authors summary November November November November November November November NovemberNovember November NovemberNovember November November November NovemberNovember 1052 The Allergic Occurrence of Constitutional Reactions Follow- ing Injections Margaret S. Tenbrinck Ind Med & Surg 24 340_ 342 Aug. 1955 A study was made of 56 constitutional reactions occurring in 30 individuals over a year period 1949-1953 The incidence was about % among those treated and in about 0.06 of all injections The reactions occurred only in pollenosis cases Reasons for these reactions are reviewed change to new extracts and injections during the pollen season are most important Repeated constitutional reactions were also important if the doses of extracts were not markedly reduced following a severe reaction Results of retesting of 74 pollenosis cases are re- viewed Almost half of the maxima of the dosage schedules were reduced and only third were retained Precautions for prevention of constitutional reactions are outlined By following the precautionary measures the occurrence of constitutional reactions was greatly reduced in the next year 1954 -- Cond from author's summary ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS 1053 Leptospiral Serology in Scottish Coal Miners R. S. F. Adam and P. N. Edmunds Brit J. Ind Med 12 100-102 Apr. 1955 Sera were examined for leptospiral agglutinine from 201 normal coal miners working in a Scottish pit in which 11 cases of Weil's disease had occurred during 1940-1952 Sera from two of these miners agglutinated L. icterohemorrhagiae to a titer of 1 in 90 and an additional 2 gave doubtful results At least % of the sample population had had unrecognized infection with L. icterohemorrhagiae -- Authors summary : RE RE RE 1054 The Electrocardiogram in Industry J. M. Trapnell and E. K. Ind Med & Surg 24 335-339 Aug. 1955 Linder A number of cases are presented which demonstrate the value of the electrocardiogram in industrial medicine The authors show that is a practical procedure for any industry large enough to warrant a time medical staff The initial cost of equipment the operating expense and the upkeep are not unreasonable for the benefits derived -- Adapted from authors summary = 11 03120009 Industrial Hygiene Digest September 1955 0 16187 1055 Total Rehabilitation of the Rheumatoid Arthritic Cripple E. W. Lowman and H. A. Rusk J. Am Med Asso 158 1335-1344 Aug. 13 1955 MWB CECI CECI The treatment and rehabilitation of 38 patients with chronic rheumatoid arthritis is described in detail Of the 20 less severely CECI disabled persons all have been discharged from the hospital Fifteen CECI CECI CECI are totally sufficient and seven have been placed in time jobs Of the 18 severely disabled persons 14 have been discharged seven are totally sufficient and one has been placed in a job The others JOQUO^ ON JOQUO^ ON have 20 to 29 increase in function With the concentrated teamwork attack used in this study it would seem that the patient with chronic JOQUO^ ON rheumatoid arthritis does not have an insoluble problem and that many JOQUO^ ON such people could be salvaged from their invalidism and brought back JOQUO^ ON JOQUO^ ON to the dignity of living The patients in this study are being followed for an additional three period to verify the validity of this infer- JOQUO^ ON ence -- Cond from authors summary JOQUO^ ON JOQUO^ON56 JOQUO^ ON JOQUO^ ON JOQUO^ ON JOQUO^ ON ABRAMS ABRAMS A Negative Pressure Respirator G. T. Clarke and J. F. Galpine Lancet 278 1299-1300 June 25 1955 Under some conditions artificial respiration by intermittent positive pressure respiration may contribute to the development of shock by lowering cardiac output The literature on that subject is reviewed The performance of respirators of negative pressure and combined types is discussed A respirator designed to provide either negative or intermittent positive pressure is described Its performance has proved satisfactory ABRAMS -1057 ABRAMS ABRAMS ABRAMS Administrative Practice in Relation to the Quality of Medical Care Provided under the Ontario Workmen's Compensation Board H. G. Curry J. E. F. Hastings G. H. M. Hatcher and Mary A. Ross Am J. Public Health 45 1011-1016 Aug. 1955 ABRAMS ABRAMS ABRAMS ABRAMS RE RE RE RE IN For nearly 40 years comprehensive medical care has been provided for workmen's compensation patients by the private medical practitioners of Canada's largest province on a service basis under the supervision of a government commission The law courts and private insurance carriers have been excluded from the adminis- tration The program is strongly supported by employers workmen and organized medicine and has been adopted by every other Canadian province The benefits are more generous and the costs to employers less than in most American jurisdictions There is no direct cost to the workman or to the taxpayer under this program _ -- Authors summary 03120010 12 Industrial Hygiene Digest September 1955 01683 MWB 1992 1992 1992 SKIN DISEASES AND BURNS 1992 November November November November November November November November November November November November ABRAMS 1058 Survival of Bacteria in Cutting Oil E. O. Bennett and H. O. Wheeler Appl Microbiol 2 368-371 Nov. 1954 Eighteen negative and 12 positive organisms were tested for their ability to survive in heavy cutting oils and in water lubricating emulsions used in machine shops The positive organ isms hardly survived at all either in oil or in the emulsion and no organisms survived more than a very few days in the heavy oils _ Cond from Bull Hyg 1059 An Etiologic Appraisal of Hand Dermatitis 1. The Role of Soap and Detergents as Sensitizers J. J. Jambor and R. R. Suskind J. Invest Dermatol 24 379-385 Apr. 1955 seven cases of hand dermatitis which were attributed by the patient to soaps and detergents were appraised etiologically A systematic effort was made to determine the role played by the soaps and detergents as sensitizing agents It was evident from the results that soaps and synthetic detergents did not act as sensitizers in any of the cases In this series no attempt was made to determine whether they acted as primary irritants Factorial analysis of the cases re- sulted in the detection of the principal or primary etiologic factor in 30 of the cases These included chromate nickel lathe coolants petroleum fractions FD and C dyes lanolin etc. The influential role of existing cutaneous problems such as hyperhidrosis atopy ichthyosis and seborrheic dermatitis as well as psychogenic factors is discussed -- Authors summary : RERE RE RE RE RE RE 1060 An Etiologic Appraisal of Hand Dermatitis 2. The Role of Soaps and Detergents as Primary Irritants J. J. Jambor J. Invest Dermatol 24 387-396 Apr. 1955 A detailed technic is described for the study of the irritant potential of soaps and synthetic detergents Under the limited con- ditions of the experiment single short passive immersion it was not possible to produce evidence of persistent irritation from the soaps and detergents used - Author's summary 13 03120011 Industrial Hygiene Digest September 1955 0016184 1061 1061 Aspects of Skin Disease in Electroplaters M. C. Battigelli and C. L. 1992 01684 1992 1992 1992 1992 Meneghini Rass med ind 23 417-423 Nov. Dec 1954 Italian Electroplating processes with various metals are outlined and their effects on the skin are discussed The effects vary from direct action to sensitization Chromium solutions can exert a primary action 1992 1992 1992 1992 and produce irritation and toxic lesions In an investigation of 331 electroplaters the authors found the following incidence of dermatitis 1 in 134 handling both chromium and nickel the hands of 25 showed November November November November November November November November November November November a contact dermatitis of the ulcerative type eight an eczematous derma- titis and two others had ulcers of the nasal septum 2 in 97 handling only nickel 15 had eczematous dermatitis 3 49 of 55 working with only chromium suffered from ulcerative and four from eczematous dermatitis and seven had ulcers of the nasal septum 4 eczematous dermatitis was present in three of the remaining 45 who worked with copper cadmium zinc or gold Patch tests demonstrated sensitivity to nickel but not to chromium -- Cond from Bull Hyg November 062 062 062 November Occupational Dermatitis Caused by Ethylene Oxide W. K. S. Moore Brit J. Ind Med 12 169-171 A. Royce and Apr. 1955 Rashes occurred on the hands and arms of several workers ABRAMES ABRAMES ABRAMES performing aseptic operations in a hermetically sealed box equipped with rubber gloves It was found that rubber absorbs ethylene oxide to a marked degree and patch tests confirmed the belief that the rash was caused by ethylene oxide in the gloves Further exposures were avoided by allowing the gloves to remain outside the box after each use and by ventilating the gloves during the operations ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES ABRAMES : RE RE RE RE IN IN IN CHEMICAL HAZARDS Toxicity Studies on Selenium Disulfide Suspension E. M. Shapiro Dermatol C. M. Pomerat anJd. F. Mullins 428 Apr. 1955 J. Invest 24 423- The uses of selenium in industry and medicine which are more extensive than generally considered have been reviewed The toxicity of selenium containing compounds for animals and humans with relation to selenium disulfide suspension as a therapeutic agent for seborrheic dermatitis has been discussed An experiment has been described using tissue a 031/20012 Industrial Hygiene Digest September 1955 culture technics on chick spleen then on human skip to show that 2.5 selenium disulfide suspension is no more toxic than the vehicle alone ECBI -- Authors summary ECBI ECBI ECBI 01685 ECBI 1064 Injury and Death from Red Fuming Nitric Acid A. J. McAdams and ECBI ECBI ECBI S. Krop J. Am Med Assn 158 1022-1024 July 23 1955 ECBIECBI JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAONJOQUIOAON JOQUIOAON JOQUIOAON Red fuming nitric acid is a dangerous material to handle and may cause serious injury by direct contact or through inhalation of its fumes In one of two cases representing various features of injury due to red fuming nitric acid there were serious acid burns of the body damage to the cornea and acute pulmonary edema The other case ended fatally due to bronchiolitis obliterans -- Authors summary JOQUIOAON JOQUIOAON JOQUIOAONJOQUIOAON 1065 Chronic Pulmonary Beryllosis P. A. Theodos H. Brieger and R. T. Cathcart J. Am Med Assn 158 1428-1429 Aug. 20 1955 In a case of chronic pulmonary beryllosis with onset of dis- ease eight years after exposure to beryllium had ceased a definitive diagnosis was established through the medium of a lung biopsy Treat- ment with cortisone appears to have produced temporary arrest of the disease -- Authors summary STWOW Lo)l Ay, | 1066 The Modification of Beryllium Tissue Damage in Mice by Therapy with Aurintricarboxylic Acid H. Lisco and Marcia R. White Brit J. Exptl Pathol 36 27-34 Feb. 1955 Experiments on three groups of mice showed that ATA aurin- tricarboxylic acid diminished damage to the liver and spleen in the early stages of beryllium poisoning Repair of bone marrow became complete with ATA treatment but damage to the kidneys was tempor- arily intensified by ATA ~ on the kidneys although ATA without beryllium had no effect -- Cond from Bull Hyg AB : RE RE RE RE RE IN 1067 Cobaltous Chloride and Iodine Metabolism of Normal and Tumor ing Rats K. G. Scott and W. A. Reilly J. Am Med Assn 158 1355-1357 Aug. 13 1955 The addition of cobaltous chloride to the drinking water of rats in order to maintain a daily intake of 60 mg per kg of body weight had no appreciable effect on their iodine metabolism Similar results were obtained with a mixture of cobaltous chloride 60 mg per kg ) and ferrous sulfate 57 mg per kg At the dosage levels described above a pronounced polycythemia was observed after 44 days of cobalt adminis- tration No deleterious effect was observed upon thyroid function ar 15 03120013 Industrial Hygiene Digest September 1955 0016186 growth The administration of cobaltous chloride at the dosages used 0168 1992 1992 1992 in this study significantly retarded the growth of a transmissible fibro- sarcoma -- Authors summary Three other papers in the same issue of J. Am Med Assn derive the same general conclusion namely that cobaltous chloride has no 1992 effect on iodine metabolism or on thyroid activity The results are 1992 1992 discussed briefly in an editorial ) 1992 1068 November November November NovemberNovember November NovemberNovember November November November Coproporphyrin and Lead in the Urine and Erythrocytes with Basophil Stippling as Signs of Lead Poisoning in the Laboratory and in the Clinic M. Salvini and U. Vidali Folia med 38 221-233 1955 Italian Accurate evaluation requires that coproporphyrin and lead in the urine are related to the diuresis in 24 hours and the stippled red cells must be given in percentages of the total erythrocyte count The value of coproporphyrinuria as a diagnostic means is confirmed -- Chem Absts November 069 November A Clinical and Statistical Study of 89 Cases of Lead Poisoning F. Gobbato and G. Monarca Rass med ind 23 232-242 July 1954 Italian ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS The incidence of lead poisoning is decreasing in Italy and only 45 cases occurred among 5 767 exposed workers in Naples during 1948- 50. The risk however has not been completely eliminated The paper presents a study of 89 lead workers who suffered from lead anemia The anemia was normochronic in type and of medium severity The de- gree of anemia bore no relation to exposure to the hazard but the 45 workers engaged in filing developed anemia after an average exposure of 2.7 years while founders required 7.2 years and others 12.1 years on the average to develop the condition The severity of the disease showed no relation to age in fact older workers tended to improve more rapidly after removal from the hazard A red cell content under four million was found in 89 of the subjects Lead anemia is one of the im- portant manifestations to be sought early in the medical examination of exposed workers -- Cond from Bull Hyg RE RE RE The Preventive and Diagnostic Value of Measuring the Blood Lead P. Zeglio and P. Z. Vercellesi Rass med ind 23 406-410 Nov.- Nov.- Dec. 1954 Italian IN IN IN IN Spectrographic examination was made of the blood of heavily exposed slightly exposed and exposed workers in the lead industries The average blood lead content in exposed persons was 20 micrograms per 100 cc Those working with lead show higher values and when they rise above 70 micrograms they reflect an occupational 16 03120014 Industrial Hygiene Digest September 1955 1992 1992 19921992 19 21992 November hazard but not necessarily actual intoxication A high blood lead content is confirmatory in the diagnosis of lead poisoning especially when associated with other characteristic signs and symptoms The time within which the lead content of the blood returns to normal after re- moval from risk varies with individuals and a low blood lead finding does not necessarily exclude lead poisoning if other clinical and laboratory evidence persists after exposure has ceased The authors advo- cate mass spectrography of the blood of exposed workers as a means of judging the success of prophylactic measures - Cond from Bull Hyg NovemberNovember November November November November NovemberNovember November November November November 1071 Action of Lead on the Succinic Dehydrase Activity M. Guarino Folia med 38 234-237 1955 Italian Fusco and A. Histochemical investigation showed that lead inhibits the succinic dehydrase activity at strong concentrations The action was not diminished in the tissues of dead animals poisoned with lead -- Chem Absts 1072 The Influence of Chronic Poisoning by Manganese Dioxide on the Per- formance of the Higher Nervous System in Animals L. I. Kotlyarev- P. skii Zhur Vysshei Nervnoi Deyatel im I. Pavlova 4 662-673 - 1954 Russian ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS The method of conditioned reflexes revealed that long before the appearance of any symptoms of intoxication by manganese dioxide there is an interruption or alteration in the interrelation between brain function and development of protective inhibition the latter being the earliest manifestation of protective reaction of the central nervous system to the entry into the organism of a toxic agent Manganese di- oxide intoxication appears to affect the locomotive centers of the ner- vous system governing the regulation of a complex system of skeletal musculature and locomotion activity of the animal Manganese dioxide intoxication does not affect the animal permanently since the interrup- tion of manganese dioxide administration followed by rest completely restores the functions to normal -- Chem Absts RE : RE RE IN 1073 Molybdenum in Biology 1955 Italian N. Castellino Folia med 38 201-220 The paper is largely a review supplemented by the author's own experiments Rabbits given 0.2 g molybdenum metal orally per day developed intestinal disturbances and became cachectic dying at an average after two months The liver showed degeneration the kidneys severe changes of the convoluted tubules there were gastric ulcers and 17 os, 03120015 0016187 01687 Industrial Hygiene Digest September 1955 0016188 disseminated intestinal lesions Sodium molybdate produced essentially 1993 191933 0168 1993 the same results Intravenous injection of 5 cc of a 0.4 solution caused severe diarrheas Reduced doses of 0.15 g caused death after 40 days Autopsy showed liver degeneration intense renal damage pulmonary stasis and deposits of molybdenum in the spleen Molydenum sulfide orally caused more intensive diarrheas but permitted longer survival -- Chem Absts November November November November 1074 Responses of the Liver to Injury Effects of Acute Carbon Tetrachloride Poisoning J. Hoffman and others Arch Pathol 59 429-438 1955 November November November NovemberNovember November 1075 Rats were injected with a single dose of carbon tetrachloride and the livers were studied at different stages by histological spectro- photometric cytochemical and chemical techniques for changes in the nucleic acid content During the first two days there was cell necrosis and thereafter with the start of regeneration the values for deoxyribo and ribonucleic acids increased though tissue nitrogen levels remained unchanged The nucleic acids were normal when restoration of cell architecture was complete -- Chem Absts Investigations into the Effects of Exposure to Trichloroethylene in Mechanical Engineering E. Grandjean R. Munchinger V. Turrian P. A. Haas H. K. Knoepfel and H. Rosenmund Brit J. Ind Med 12 131-142 Apr. 1955 ) : : ABRAM ABRAM ABRAM ABRAM ABRAM ABRAMABRAM RE RE RE RE RE The concentrations of trichloroethylene vapors were measured in the air of 24 workshops and the eliminations of trichloroacetic acid were determined in the urine of 73 workers The 96 air analyses gave values between I and 335 ppm most of them lying between 20 and 40 ppm The values fluctuated greatly over a period of three to four hours The concentration of trichloroacetic acid varied between eight and 444 mg per liter of urine with a mean value of 8.4 mg per The mean ratio of trichloroacetic acid excretion to trichloroethylene concentration was 3 Younger workers have an average of 6 and elderly subjects 1 The eliminated trichloroacetic acid averages 13 of the trichloroethylene inhaled during a work period of eight hours The clinical examinations showed a relatively high frequency of subjective complaints of alterations in the vegetative nervous system and of neurological and psychiatric symptoms Their frequency is related to degree of exposure The determinations of air concentration and acid elimination show a great discrepancy between the accepted mean allowable value for trichloroethylene and that for trichloroacetic acid The authors conclude that the threshold limit for trichloroethylene should be fixed below 40 ppm and that for trichloroacetic acid should be fixed below 96 mg per l -- Cond from authors summary 03120016 Industrial Hygiene Digest September 1955 0016189 1076 Distribution Coefficients of Trichloroacetic Acid B. Soucek Pracovni 1993 01689 Lekarstvi 7 89-90 1955 Bohemian Trichloroacetic acid was not bound by human red blood corpuscles in a measurable degree Concentrations rising above 50 micro- 1931993 1993 1993 grams per ml caused hemolysis Trichloroacetic acid did not dissolve in olive and sesame oils The results obtained failed to explain the slow elimination of the acid from the organism by its combination with the blood constituents or by dissolving in the fatty phases Chem Absts November November NovemberNovember November November November November November NovemberNovember November November November November ABRAM ABRAM 1077 The Hazards of Fluon Polytetrafluoroethylene R. J. Sherwood Trans Assn Ind Med Officers 5 10-12 Apr. 1955 Fluon is the trade name of polytetrafluoroethylene and corre- sponds to the American product known as Teflon At normal tempera- tures is extremely inert and appears to be toxic Above 300 it disintegrates into unknown fluorine compounds at a rate dependent on the temperature If sufficiently high concentrations of these products are inhaled they give rise to fever symptoms a number of cases of which are described Symptoms may also occur among workers machining the material and it is believed that one case originated from the sieving ground material Urine samples showed a fluorine content above normal Dust samples after some factory improvements showed 1000 particles per cc nearly all smaller than 0.5 micron Apparently the most likely cause of individual cases is the habit of smoking in the workshop whereby dust particles are disintegrated Improvements in space and ventilation have greatly decreased the incidence of the fever Additional exhaust ventilation is being installed and smoking is now strictly forbidden ABRAM 1078 Urinary Metabolites of Trichloroethylene Capable of Positive Fujiwara's Reaction Z. Bardodej and Marie Krivucova 97-98 1955 Bohemian Pracovn^>Lekarstvi 7 ABRAM ABRAM ABRAAMBRAM ABRAM RRE E Extension of acid hydrolysis of urine containing trichloroethy- lene and of aqueous solutions of trichloroacetic acid from 15 minutes to eight and 16 hours resulted in a decrease of the Fujiwara material by 70 and 83 respectively owing to decomposition of chloro- form formed during the reaction Trichloroacetic acid splits off chloro- form by mere standing in neutral solution at normal temperature thus causing errors in the analysis of old samples of urine of Soucek and Frankova IHF Abst 758 July 1953 -- Chem Absts IN IN IN 19 9 03120017 Industrial Hygiene Digest September 1955 0016190 1079 Chronic Benzene Intoxication M. E. Vorenkamp D. E. Mendes de Tijdschr 01690 1992 Leon Mar. and W. B. 12 1955 Geritsen Dutch Ned Geneesk 99 803-808 2 The authors discuss the manifestations of acute and chronic 1992 benzene poisoning also its diagnosis prognosis and therapy They 1992 report the case of a year girl who was employed in a factory 1992 1992 producing rubber goods intermittently for 15 months She had severe somewhat hyperchronic anemia accompanied by leukopenia and thrombopenia The condition of her bone marrow suggested panmyelo- November November November November November November November pathy She recovered spontaneously during three months of hospitalization An investigation of working conditions showed that another but milder case occurred at the same factory and that the benzene concentration in the air was twice the threshold limit The amount of organic sulfate in the urine of 11 other exposed women employees was found to be considerably increased but only one had a moderate anemia November November -- Cond from J. Am Med Asso November November November Adenine in Experimental Benzene Poisoning 38 249-265 1955 Italian R. de Rosa Folia med November November November Adenine administered to guinea pigs from the beginning of experimental benzene poisoning assuages the drop in erythrocytes and neutrophils which was quite intensive in the controls It increases the platelet count A beneficial effect is observed also if adenine is given after the development of symptoms ~~ Chem Absts ABRAMS 081 ABRAMS ABRAMS On the Metabolism of Some Aromatic Compounds by Different Species of Animals 2. D. J. Lawford E. King and D. G. Harvey J. Pharm & Pharmacol 6 619-624 1954 ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS : RE RE RE RE RE Four aromatic compounds were found to be eliminated from four species of laboratory animals in the following descending order nitrophenol dinitrophenol dinitro dinitro In the four species of animals the eliminating effeciency in descending order of speed was mouse rabbit guinea pig rat and monkey in a few experiments The evidence presented emphasizes that it is essential to include elimination experiments in any survey of a toxic substance particularly in determining whether the substance will accumulate in man as the result of small but re- peated exposures - Cond from Biol Absts 03120018 IN ~~ a & A 20 Industrial Hygiene Digest September 1955 0016191 19919393 0169 1993 1993 1993 1082 On the Metabolism of Some Aromatic Species of Auimals 1. E. King and Pharmacol 6 529-533 1954 Compounds by Different D. G. Harvey J. Pharm & Elimination rates of dinitro from the blood of hooded rats were determined under normal conditions and the influence of var- 1993 1993 ious factors was investigated It was shown that an initial blood level 1993 of about 60 micrograms of dinitro per gram will be almost completely eliminated from the blood in 82 to 182 hours Elimination November November November rates are faster after intraperitoneal injection than after oral administration or inhalation Sudden environmental heating of the poisoned animals slows the elimination rate slightly but the rate increases after November November seven days acclimitization -- Cond from Biol Absts November November November 1083 The Toxicology of m Aminophenol 11 177-182 1954 Polish A. Ukleja Acta Polon Pharm kg The LD50 of aminophenol in white mice was 0.144 g per and rats g per kg At concentrations of 0.1 to 0.2 g per kg toxic reactions were similar to those of phenol and aniline -- Chem Absts MESMES MES MES MES \ + ABR ABR ABR ABR ABR ABR ABR ABRABR : : RE RE RE IN 1084 Chlorinated Hydrocarbon Insecticides Queries and Minor Notes J. Am Med Assn 158 1237 July 30 1955 The chief action of chlorinated hydrocarbon insecticides is on the neuromuscular system The basis of this action is unknown but studies have shown that it does not depend on alteration of cholinesterase activity The effect on enzyme activity which is the main subject of the inquiry is too slight to cause any significant physiological activity 1085 Insect Repellants A. J. Lehman Assn Food & Drug Officials U. S. Quart Bull 19 87-99 July 1955 Reprints available from Association of Food and Drug Officials of the U. S. / Evan Wright State Board of Health Topeka Kansas at 30 cents payable to above Association Discount for quantities More than 4000 compounds for use as insect repellants have been tested and 17 compounds were acceptable as safe at the time of the first report in 1947. Some of these have since been eliminated and others have been added The present report gives information 16 compounds including in most cases oral and dermal toxicity symptoms of poisoning topical effects dermal absorption hematology sensitiza tion pathology and in all cases estimation of safety The methods of determining toxicity irritation sensitization and pathology are described briefly 21 03120019 Industrial Hygiene Digest September 1955 26190-8MH 1086 Toxicity of Aldrin Dieldrin and Toxaphene to Rabbits by Skin Absorp- Econ tion B. L. Johnston and W. G. Eden J. Entomol 46 702- ~ 26190-8MH 866I 866I 703 1953 The toxicity of aldrin dieldrin and toxaphene to rabbits by skin absorption was determined by dipping rabbits in water suspensions of wettable powders The LD50 of aldrin was 0.015 to 025 .; of dieldrin 0.40 to 0.45 .; and of toxaphene 025 to 1.075 g per kg Other symptoms of poisoning were evident --- Chem Absts J QUfiAON J QUfiAJON QUfiAON J QUfiAON J QUfiAON JQUfiAON J QUfiAON J QUfiAON J QUfiAON J QUfiAON J QUfiAON ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS The Present Status of Chlordane American Medical Association Council on Pharmacy and Chemistry Report J. Am Med Assn 158 1364-1367 Aug. 13 1955 This report includes an extensive review of the properties uses pharmacology and toxicity of this insecticide and a summary of clinical experience In general chlordane acts substantially like other chlorinated insecticides whose sites of action are on the higher motor cortex and the cerebellum It is one of the more hazardous of the chlorinated hydrocarbon insecticides It is readily absorbed by the skin alone and even from dry formulations as well as in the presence of solvents Assessment of its toxicity by any route is difficult because the technical preparation is still an uncharacterized mixture of chlorinated hydrocarbons whose toxic properties and metabolic fates are poorly understood Although more uniform mixtures with lower toxicity are now being produced their analysis presents some unsolved problems Little is known about the inhalation toxicity of chlordane Treatment of chlordane poisoning as with similar materials depends upon the use of symptomatic measures Dermatological therapy should be instituted for control of inflammatory or other irritant skin conditions Recommended treatment for systemic poisoning is described Fifteen reported cases of which four were fatal are tabulated The deaths attributed to chlordane have all been complicated by the presence of other agents The recorded nonfatal systemic poisonings were largely the result of carelessness in handling and storage ABRAMS :: 1088 :: RE RE RE Fatal Chlordane Poisoning V. J. Derbes J. H. Dent W. and M. F. Johnson J. Am Med Assn 158 1367-1369 1955 W. Forrest Aug. 13 RE RE IN Two fatalities presumably caused by chlordane are reported The first patient became confused started having convulsions and died within a few minutes after an accident in which a suspension of chlordane was spilled on her dress Nonspecific pathological changes were found in the brain lungs and kidneys The second patient died nine and onehalf days after swallowing 6 gm of chlordane 104 mg per kg of body Industrial Hygiene Digest September 1955 1992 1992 19919922 weight Clinical features included chemical burns of the mouth a 0 16 93 severe hemorrhagic gastritis shock anuria convulsions and death The pathological features were cerebral congestion and edema lower nephron nephrosis confluent bronchopneumonia chemical burns of the mouth and uremia -- Authors summary 19921992 192 1089 Chlorophenothane DDT Blessinogr a Menace Med Assn 158 1370-1371 Aug. 13 1955 Editorial J. Am November November November November November November NovemberNovember November NovemberNovember November Chlorophenothane DDT is produced in greater tonnage than any other insecticide and some observers have been alarmed by the possibility of term systemic effects The literature however shows that normally skin absorption is negligible and that no authenticated case of poisoning following respiratory or dermal exposure has been reported The amount ingested in food sprayed with DDT rarely over 0.0026 mg per kg body weight per day has been greatly exceeded in experiments and the fatal oral dose for man 0.5 g per kg Chlorophenothane is detoxified in the liver and excreted slowly in the urine over a period of two weeks or more When a large dose is ingested much of is eliminated by vomiting and little of the remainder is absorbed Directions are given for cases of ingestion In the house chlorophenothane should not be kept in the medicine chest and spraying on food utensils table tops toys cribs nurseries and sickrooms should be avoided ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMABRSAMS ABRAABMRSAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS RE ININ IN IN IN ININ 1090 Blood Cholinesterase Values in Early Diagnosis of Excessive Exposure to Phosphorus Insecticides J. C. Gage Brit Med J. 1 1370-1372 June 4 1955 The cell and plasma cholinesterase values of 19 normal individuals have been measured at monthly intervals for a period of one year The distribution of the monthly values on each individual is not entirely random there being some measure of serial correla- tion There is no clear evidence of any seasonal variation in the values The distribution of all the values on all the individuals has a coefficient of variation of 12.8 and 21.3 for red cell and plasma respectively The contributory factors to this variation are discussed and it is shown to be compounded of a basic individual variation increased by the experi- mental error of measurement and individual temporal value of unknown origin The establishment of limits of cholinesterase activity whereby excessive exposure to phosphorus insecticides may be recognized is discussed -- Author's summary 23 03120021 Industrial Hygiene Digest September 1955 1091 Occupational Risk and Pathology in the Production and Manipulation of 1998 1998 1981998 01694 1998 19981998 Some Plastic Material L. Parmeggiani and C. Sassi 46 14-24 1955 Italian with English summary Med lavoro In the manufacture of polyvinyl chloride only slight signs of irritation were observed in workers engaged in packing In skinning operations the workers are exposed to acetone vapors and carbon di- 198 November Novembr November November November November November November November sulfide at concentrations of 25 to 200 ppm which caused irritation of the mucosa and excitation of the central nervous system after one year Polystyreneworkers exposed to ethylbenzene showed signs of nervous excitation leucopenia and occasionally dermatitis Exposure to styrene at concentrations slightly below 200 ppm caused dermatitis but did not affect the blood picture Aluminum chloride caused spastic bronchitis and delay in healing wounds The maximum allowable con- November November NovemberNovember centrations are 100 ppm for ethylbenzene and 150 for styrene Ed note accepted American values are 200 ppm for both substances ) Concentrations of 0.1 to 1.9 ppm diphenyl and diphenyl oxide did not cause intoxication but were irritating to the mucosa In the manufacture of cellulose acetate the acetic acid content of the air up to 75-260 ppm caused mucosal irritation blackening of the skin and erosion of the teeth The concentration of acetone should not exceed 500 ppm -- Chem Absts 1092 1092 1092 1092 | > AME AME AME AME AME Industrial Hygiene in the Petroleum Industry Engr 27 E2-8 May 1955 A. C. Pabst Petroleum The potentially toxic materials encountered in petroleum refinery operations are listed The known threshold limits are tabulated Proper labeling of dangerous products is stressed The progress made in industrial hygiene in the petroleum industry is reviewed AI AI AI AI AIAI RE RE Potential Dangers from Exposure to Diesel Locomotive Exhaust Straub Ind Med & Surg 24 353-358 Aug. 1955 R. L. The potential dangers from exposure to diesel exhaust fumes are discussed from the lawyer's standpoint The more important ma- terials in the fumes are 1 carbon monoxide 2 oxides of nitrogen 3 oxides of sulfur when the fuel contains sulfur 4 aldehydes and similar chemicals 5 allergens and 6 carcinogens The occurrence and effects of each of these classes of materials are discussed In addition to the possible physiological effects of these materials neurosis is one of the greatest sources of difficulty confronting claim agents The legal aspects of effects of diesel exhaust exposure are discussed with reference to several illustrative court cases In conclusion ex- posure to diesel exhaust in excess of the established acceptable maxi- mums for the individual constitutents is not indicated This however will not helpa great deal from a law claim standpoint when an employee 009100 009100 009100 009100 009100 009100 03120022 24 Industrial Hygiene Digest September 1955 1992 19 21992 1992 1992 1992 1992 1992 1992 0 16 95 experiences serious physical ailments similar to those produced by ex- posure to the constituents of diesel exhaust The prevailing law and state of medical knowledge will not give ample protection in defense MWB of these claims Except in unusual cases plaintiff's testimony medical testimony will permit the jury to dictate the results plus November November NovemberNovember November November November November November November November November November NovemberNovember ABRAM ABRAM INDUSTRIAL DUSTS 1094 The Proofing of Concrete with Sodium Silicate Age 73 25-26 July 2 1955 Anon Chem Treatment with sodium silicate is the cheapest and most effective method of proofing concrete The best grades for the purpose are those with a silica to sodium oxide ratio of 3. or 3.4 to 1 and specific gravity of 79 to 84 Twaddell 395 to 1.42 Three applications 24 hours apart are effective at dilutions of 1 to 4 1 to 3 and 1 to 2 by volume respectively Magnesium silicofluoride and linseed oil mixtures have been used for the purpose but sodium silicate has the advantages of cheapness toxicity stability and flammability ABRAMABRAM ABRAMABRAM ABRAMABRAM ABRAM ABRAM ABRAM ABRAM ABRAAMBRAMABRAM 1095 RE : RE RE RE RE RE RE RE IN IN Deposition of Airborne Dust in a Wind Tunnel Interim Report J. G. Dawes and A. Slack Research Report No. 105 Safety in Mines Research Establishment Portobello St. Sheffield England 41 pp Sept. 1954 s The deposition of airborne coal dust from a turbulent air stream on the floor roof and sides of an airway and on the vertical surfaces of a roof prop has been investigated both on a laboratory scale and in an underground airway At any point the floor deposition of particles of a given size is proportional to their terminal velocity and concentration in the air stream it decays exponentially with distance from the dust source at a rate dependent on the air velocity and the airway dimensions Deposition on the roof and sides of the airway is related to the floor deposition independent of air velocity but dependent on particle size These results are valid whether the collecting surfaces are clean and dry or sticky For particle sizes less than 23 microns the deposition on front sides and rear of a rectangular support in the middle of the airway is substantially the same is also of the same 25 03120023 Industrial Industrial Industrial Industrial Industrial Hygiene Digest September 1955 0 16196 order as that on the vertical sides of the airway itself These results confirm that deposition of small particles on a support takes place CC^ SI CCC^CS^I SI MWB CC^SI mainly by the same mechanisms as on the sides of the airway than by impaction -- Cond from Bull rather Hyg CC^ SICC^ SI CC^ SI-7096 CC^ SI McIntyre Conference on Occupational Chest Disease Ind Health 12 1-106 July 1955 Arch JOquicaON JOquicaON JquicaONJOquicaON JOquicaON The above Conference was held at Saranac Lake N. Y. Feb- ruary 7 to 9 1955. The introductory papers included Prologue by C. P. McCord The Objectives and Achievements of the McIntyre Research Foundation by F. B. Trudeau and The Contributions of the Saranac Laboratory to Research on Chest Diseases by E. D. Fox The remaining papers are abstracted separately JOquicaONJOquicaON JOquicaON { ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS Accomplishments in the Epidemiologic Study of Silicosis in the United States H. N. Doyle Victoria M. Trasko W. M. Gafafer and S. E. Miller Arch Ind Health 12 48-55 July 1955 From this review of dust studies of the Public Health Service and the data made available by other sources it may be concluded that the problem of silicosis in the United States is still far from be- ing solved Several obstacles yet remaitno be hurdled primarily in the resolution of technical questions These unresolved questions include 1 Do the initial exposures in the relatively large number of cases of silicosis date back to control days 2 How exten- sive and efficient is dust control in relation to recommended standards 3 Do our standards need revision 4 Are there other factors to which we are not giving proper consideration such as particle size of the dust and 5 What is the actual toxicity of silica ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMSABRAMS ABRAMS RE RE RE RE IN Silicosis in Canada July 1955 N. F. Parkinson Arch Ind Health 12 56-63 A summary of the statistics presented on silicosis in Ontario mines for the period 1951-1953 in comparison with those for 1926- 1930 shows the following accomplishments 1 a rapid rate of decrease in the number of silicosis cases 2 an increase in the age at which silicosis develops 41.5 to 56.5 years 3 an increase in the number of years of exposure required to develop silicosis among the few who contract this condition 15.4 to 24.8 years 4 occurrence of only 45 cases or less than % of the 1146 known cases of silicosis in the industry among those who commenced mining after 1928 5 increase in the average age at death 44 to 62 years 6 increase in life expectancy after silicosis develops 2 to 11.6 years 03120024 26 Industrial Hygiene Diges September 1955 and 7 decrease in the proportion of cases that died of silicosis or 19919292 silicosis plus tuberculosis 91.8 to 55.1 is difficult to obtain comparable figures for silicosis in other industries in Ontario or for silicosis in other provinces NWB 1992 1992 1992 1992 1992 1099 Commentary on References by N. cosis Problem in Ontario A. R. 63-65 July 1955 F. Parkinson Concerning the Sili- Riddell Arch Ind Health 12 a November NovNeomvebmbeerrNovember November November November November The author discusses the 45 cases of silicosis mentioned in Parkinson's subhead 4 Tuberculosis is an important factor and the condition is to be considered as tuberculosilicosis rather than silicotuberculosis Various aspects of the 45 cases are tabulated Additional tables on incidence and distribution of silicosis analysis of silicosis claims and mortality statistics are presented The fol- lowing conclusions are derived from the tables 1 many persons with silicosis can continue working in their accustomed occupation or others 2 the incidence of silicosis in Ontario is low 3 expo- sures of casual laborers are severer than those of skilled labor 4 silicosis does not in general appreciably decrease life expectancy 5 silicosis is much more important as a cause of disablement than of death and 6 tuberculosis is still the most disabling factor and the chief cause of death in silicosis ABRAMS ABRAMS ABRAMSABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS : RE RE RE RE RE IN ININ IN IN 1100 The Dust Diseases in Great Britain Ind Health 12 83-99 July 1955 A. I. G. McLaughlin Arch The history of dust diseases in Great Britain is reviewed Despite the combined efforts of all concerned the deaths from pneumoconiosis have continued to rise yearly The reasons for the increase may be found in more accurate diagnosis and in the publicity given to occupational lung diseases A more likely cause however is the increased speed of production and the introduction of machines which increase the dustiness and cause a lag in dustcontrol methods The Industrial Injuries Act of 1946 removed the responsibility from employers and insurance carriers to the Government Since then cases under common law against the employers have increased rapidly Numerous legal provisions and routine inspection of factories and mines have limited the numbers of cases of disability and death from inhalation of dangerous dusts It is expected that more accurate information about the incidence of dust diseases will be obtained in the near future Surveys of the population by mass radiography to detect early tuberculosis are bringing to light information about the effect of dust in some heretofore unsuspected occupations Many problems are still unsolved but a great deal has already been accomplished -- Cond from author's summary 27 Industrial Hygiene Digest September 1955 1101 Pulmonary Fibrosis in Ferrous Foundry Workers H. E. Harding 01698 oa 199 and A. I. G. McLaughlin Brit J. Ind Med 12 92-99 Apr. 1955 Clinical radiographic environmental and pathological details of six ferrous foundry workers are described All six 199 showed varying degrees of occupational pulmonary fibrosis either 199 199 whorled silicotic nodulation linear or stellate fibrosis mixed fibrosis or transitional types Though all cases showed fibrosis 199 it was a clear factor in the deaths of only two and doubtfully so in two others The pathological features of the lungs of ferrous Nowombor Nowombor foundry workers are similar to those found in iron and steel foundry Nowombor workers Both molders and fettlers are liable to contract silicosis Nowombor and mixed fibrosis which may be complicated by pneumonia Nowombor tuberculosis and chronic bronchitis and emphysema with heart Nowombor failure -- Cond from authors summary Nowombor Nowombor = Significant Case of Pneumoconiosis in a Coal Worker L. L. Friedman Arch Internal Med 95 328-332 Feb. 1955 Nowombor Nowombor Nowombor Nowombor AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS The paper presents the case history of a coal miner who had been a driller for an unspecified time when he first complained of shortness of breath at the age of 46. His ray showed simple pneumocopiosis He continued to work underground for six years after which an ray showed early progressive massive fibrosis in both lungs and he gave up his work because of dyspnea When he died at the age of 57 he had developed extensive massive fibrosis with severe emphysema at both bases All tests for tuberculosis were negative at all times This case confirms the relentless pro- gress of massive fibrosis and coalminers pneumoconiosis after exposure to dust has ceased in the absence of a positive sputum and despite tuberculosis therapy -- Cond from Bull Hyg AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS AB~ RAMS : RE RE RE RE RE RE IN IN IN IN Dust Hazards in Coal Mine Workings A. Houberechts G. Degueldre F. Lavenne Institut D'Hygiene des Mines Hasselt Belgium Com- munication No. 118. 42 pp June 1954 French The authors have sought an expression of the relative harmfulness of a dusty atmosphere which would agree with experimental results In different coal mines at 11 working faces the air was sampled with Soxhlet filters to ascertain the mass concentration of the dust and to determine silica in the samples and also by a thermal precipita- | tor for numerical concentration and size distribution It is concluded that when the airborne dust is rich in silica the health hazard can be evaluated in terms of the surface area of the particles less than 3 microns in diameter whereas if the atmosphere contains much inert dust such as coal the evaluation should be in terms of the total 28 03120026 . Industrial Hygiene Digest September 1955 volume of dust particles less than 3 microns in size The relative 1992 0169 1992 1992 1992 danger thus estimated has been compared with that calculated on the basis of other criteria It is concluded that where the silica content of the dust is low the criterion used in the United Kingdom e the numerical concentration of particles between 1 and 5 microns in di- 1992 1992 ameter is a good From the standpoint of dust control the air 1992 1992 1992 1992 speed should not exceed about 200 feet per minute - Cond from Bull Hyg November November November November November November NovemberNovember November ABRAMS ABRAMS ABRAMSAABBRARMSAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS RE : RE RE RE IN Occupational Chest Disease in Gold Miners A Review of Progress in the Union of South Africa G. W. H. Schepers Arch Ind Health 12 33-47 July 1955 This review of the occupational chest disease problem in the gold mines of South Africa reveals over favorable progress Con- quest is however by no means yet in sight Too much dust is still breathed by miners The ideal dust level of 5 mpcf is not yet satis- factory Regular periodic chest rays are now given white miners and should be extended to all Negro miners who are exposed to dust to a greater degree than the whites The rapid elimination of cases of tuberculosis should be the first objective Although elaborate pre- scriptions are given concerning financial benefits for affected mine employees the basic approach of legislation is prophylaxis rather than compensation It is hoped that precautions will be taken to avoid frustration of this ideal through administrative inadequacies as is now often the case -- Cond from author's conclusions Pneumoconiosis on the Kolar Gold Fields South India Arch Ind Health 12 73-82 July 1955 G. E. Firench The type of pneumoconiosis occurring on the Kolar Gold Field is described together with the clinical radiological and pathological criteria for diagnosis Experimental studies of Kolar Gold Field dusts by other workers have indicated that the relatively high aluminum ox- ide content of the borne dust may account for the relative harmless- ness of the condition The relation to tuberculous infection is stressed It is only when the two conditions occur together that life expectancy is shortened -- Author's summary Comparative Vascular Pathology of Occupational Chest Diseases G. W. H. Schepers Arch Ind Health 12 7-24 July 1955 The lungs of persons who have been adequately exposed to industrial dusts show a diversity of lesions of the blood vessels whose prevalence and extent vary according to the nature and quan tity of the dusts and associated infection The most marked effects 29 0= 3120027 Industrial Hygiene Digest September 1955 0 1620 are on the smaller vessels and comprise a number of types of damage Larger pulmonary vessels may also show various forms of damage Such vessels may become eroded and rupture In silicosis the vascu- 1999 MWB lar damage is an added lesion over and above the specific collagenous 1999 nodules which may show their own peculiar vascular degeneration phenomena In anthracosis siderosis talcosis and asbestosis the 19 9 perivascular lesion is an integral and indistinguishable component of the pathognomic pulmonary dust lesion Specific dust particles or 1999 fibers and even asbestos and tremolite bodies may in most instances be demonstrated within or in relation to these vascular lesions In the November November November November November November November presence of superimposed infection particularly tuberculosis the vascular damage may be disproportionately great This effect is enhanced if there has been associated quartz inhalation Asbestosis does not follow these rules directly is suggested that these vascular changes November may be a factor in the genesis of cor pulmonale The paper is illustrated by a number of photomicrographs -- Cond from author's summary 107 November ceo Vo f | 1 NW NW NW Pulmonary Vascular Changes in Workers Pneumoconiosis Wells J. Pathol & Bacteriol 68 573-587 Oct. 1954.. A. L. The anatomical changes observed in the pulmonary vessels at 388 autopsies on coal workers in South Wales are described Lesions were found of an obstructive and destructive nature varying in fre- quency and extent according to the degree of pneumoconiosis and the presence of tuberculosis Varying degrees of enlargement of the bronchial arterial system were found Occasionally in severe cases there was a development of a large bronchopulmonary arterial shunt Changes usually accepted as due to aging were exaggerated in all cases Changes also included thinning of the walls of the arteries by the adja- cent fibrotic process with resulting ulceration of the intima Peri- pheral venous thrombosis leading to cardiac failure was seen in many cases The changes are fully described and the microscopic appear- ances are illustrated - Cond from Bull Hyg Effect of Salicylates on Granulomas Developed by Silica in Rabbits J. Vyskocil Pracovni Lekarstvi 7 75-78 1955 Bohemian RE RE Inflammatory reactions and silicotic granulomas were pro- duced by injecting a % suspension of silica into the anterior chamber of rabbit's eye Animals receiving 0.2 g sodium salicylate per kg orally were considerably less affected than the controls Possible utilization in therapy and prophylaxis especially for miners is dis- cussed -- Chem Absts IN 03120028 30 Industrial Hygiene Digest September 1955 0016201 1109 Clearance of Radioactive Dust from the Human Lung R. E. Albert and 01620 1999 1999 1999 L. C. Arnett Arch Ind Health 12 99-106 July 1955 The effective half of thoron daughters in the lung following deposition together with kaolin particles of median diameter 1 1 191999 9 19991999 1.34 is about nine hours This indicates that the pulmonary clearance of radon and thoron daughters under these conditions will not materially reduce the radiation hazard following inhalation The early bronchial clearance of radioactive iron particles appears to have two phases The November November first clearance period ends in two to four hours and the second in about 30 hours The larger the average inhaled particle size the greater the NovemberNovember November fraction removed in two to four hours -- Authors summary NovemberNovember November November November November NovemberNovember November 1110 The Content of Silica in the Blood and Urine of Workers in Creating Industries R. Y. Govorchuk Bor'ba s Silikozom Akad Nauk S.S.S.R. , Sbornik Statei pp 309-311 1953 Russian The presence of silica up to 10 mg % in the blood and up to 20 mg % in the urine is to be regarded as normal Inhalation of free silica by the lungs increases its content in the blood and urine No papallelism was discerned between the stages of progressive pulmonary silicosis and the silica content of blood or urine The erythrocyte sedimentation rate tends to increase as the silica blood content is in- creased -- Chem Absts ABRAMS ABRAMS ABRAMS ABRAMS ABRAMSABRAMS ABRAMS ABRAMS ABRAMABSRAMS RERE RE RE RE RE RE RE IN 1111 The Value of Lung Biopsy in the Diagnosis of Occupational Pulmonary Diseases H. S. Van Ordstrand D. B. Effler L. J. McCormack and J. B. Hazard Arch Ind Health 12 26-32 July 1955 Surgical lung biopsy is a direct approach to the diagnosis of diffuse pulmonary disease where routinely used studies fail to arrive at a diagnosis It is a particularly important procedure in borderline cases where it is otherwise impossible to prove or disprove the pres- ence of an occupational disease At the Cleveland Clinic surgical lung biopsy has established a diagnosis of occupational disease in 11 such borderline cases During the same period of time surgical lung biopsy has disproved a presumptive diagnosis of occupational disease in 15 cases -- Authors summary 1112 Clinical Pathogenetic and Diagnostic Problem of Silicotuberculosis M. Crepet and G. Pescetti Minerva med 46 710-720 Mar. 17 1955 Italian Statistics are presented showing the presence of tuberculosis and of the three stages of silicosisa series of 124 patients Active tuberculosis was present in 12 of these with stage 2 silicosis in which 31 . 03120029  Industrial Hygiene Digest September 1955 0 16202 the common aspects of tuberculosis were seen instead of the features characteristic of silicotuberculosis It is suggested that the term 016202 tuberculosilicosis be used for such patients Active tuberculosis M B was found in eight patients with stage 3 silicosis but most of the patients in that stage did not show signs of tuberculosis or other in- 1904 231904023 1904023 fection The authors conclude that the transition from the nodular to the massive stage can take place without the superimposition of in- fection -- Cond from J. Am Med Asso November November November November November November Mortality from Lung Cancer in Asbestos Workers Ind Med 12 81-86 Apr. 1955 R. Dol Brit J. In necropsies of 105 persons who had been employed at an November November November November November asbestos works lung cancer was found in 18 instances In 15 cases asbestosis was also found These 15 workers were employed at least nine years before 1923 when dust control regulations became effece-ffec- tive An additional 113 men who had been exposed to asbestos dust for 20 years were followed up and their mortality was compared with November November that of the whole male population Thirty deaths occurred in the group whereas 15.4 were expected The excess was entirely due to excess deaths from lung cancer 11 against 0.8 expected and from other respiratory and cardiovascular diseases 22 against 7.6 expected All the cases of lung cancer were confirmed histologically and all were associated with asbestosis From the data it is concluded that lung cancer is a specific hazard of asbestos workers and that the average ABRAMS ABRAMS risk among men employed for 20 years or more has been of the order ABRAMS ABRAMS of ten times that experienced by the general population The risk has ABRAMS ABRAMSABRAMS ABRAMS ABRAMS ABRAMS ABRAMS become progressively less as the duration of employment under the old dusty conditions has decreased Cond from author's summary Primary Lung Cancer in South Wales Coal Workers with Pneumoconiosis W. R. L. James Brit J. Ind Med 12 87-91 Apr. 1955 ABRAMS ABRAMS Primary lung cancer was found at necropsy in 3.3 of 1,827 1,827 South Wales coal miners and in 5.4 of 1,531 South Wales miners In 12 cases with massive pneumoconiosis the tumor was in the mass : RE RE RE RE RE RE or touching it in five In the other seven the tumor was remote Lung cancer in South Wales miners is similar to that in miners with re- spect to the ages at death the distribution of the histological variants of the tumor and the distribution of metastases The significance of these findings is discussed Attention is drawn to the difficulty of diagnosing lung cancer in the presence of massive pneumoconiosis Au thor's summary 03120030 o 32 Industrial Hygiene Digest September 1955 01673 1115 Talc Pneumoconiosis M. Kleinfeld Jacqueline Messite and I. R. Tabershaw Arch Ind Health 12 66-72 July 1955 The health status of a group of 32 talc workers whose roent- 19 21992 1992 genograms and histories were available after 14 years was restudied Nineteen of the group had died Of the living six are gainfully em- ployed in spite of the presence of moderate infiltration and pulmonary dysfunction Clinical features ray appearances and electrocardio- grams are described Peripheral blood findings are not remarkable November November November NovemberNovember November The marked improvement in engineering methods is reflected in an appreciable decrease in dust exposure The pathological picture how- ever did not retrogress with improvement of the industrial environ- ment or upon retirement -- Cond from authors summary NovemberNovember 1116 Chronic Rheumatism among Belgian Coal Miners Caplan's Syndrome V. Van Mechelen Arch maladies profess 15 525-530 1954 NovemberNovember November ' French The claim has been made that coal miners suffer excessively from rheumatism but on extensive enquiry in Great Britain and Belgium the author concludes that rheumatic conditions are not more frequent among Belgian miners than among other workers doing heavy work The localization of rheumatism in these miners does not differ from that seen in French English or German miners Polyarthritis some- times occurs in cases of pneumoconiosis It affects the fingers wrists | : : elbows and other joints and the lung fields show rather large nodules particularly at the edges of the lobes Caplan's syndrome was not found in a study of four such cases tuberculosis may occur ABRAM in instances of polyrheumatoid arthritis without the nodules being de- scribed as rheumatoid nodules or constituting a syndrome at any rate not among the Belgian miners -- Cond from Bull Hyg ABRAM RE RE RE RE RE RERE RE RE IN IN IN 1117 Occupational Factors inthe Incidence of Bronchitis J. Gregory Trans Assn Ind Med Officers 5 2-9 Apr. 1955 An investigation into the incidence of chronic bronchitis and chronic cough in workers in the gas industry is described The results indicate that the principal occupational factor is dust rather than temperature gases and fumes No relation was discovered between the incidence of bronchitis and smoking habits A larger and more detailed investigation is recommended -- Cond from author's summary and conclusions 03120031 33 Industrial Hygiene Digest September 1955 40691-8MH PHYSICAL ASPECTS OF THE ENVIRONMENT 19 31118 November November Proceedings of the First West Coast Noise Symposium 1 9-40 52-58 May 8-41 52 54 July 1955 Noise Control NovemberNovember November November November November November November November November November The papers given at the Symposium are presented in full Noise the Bane of Hearing V. O. Knudsen In a general address the effects onf oise and its control are reviewed The Physical Properties of Noise R. W. Leonard The jargon of the acoustical engineer and physicist often shrouds the basic physical properties of noise in what appears to those in other fields to be complex terminology The description of these relatively simple properties is exemplified by some easily performed experiments Instrumentation for Noise Measurement W. B. Snow The various modern instruments for measuring noise are described and their range of application is outlined Measurement Techniques for Noise R. S. Gales and Evaluation of Data ) ABRAME ABRAME ABRAME ABRAME ABRAME To get the most information from a noise measurement it must be made with care and followed by careful evaluation and clear presentation of the data taken Effective methods for these three steps are presented Noise Sources in Modern Industry G. L. Bonvallet A study of noise in 12 major industries provides pictures of those industries with regard to the ranges of level loudness and spectra of their noise sources and permits classification of the ranges of level ABRAME ABRAME ABRAME ABRAME ABRAME ABRAME ABRAME ABRAME ABRAMEABRAME both by industries and according to the individual machines Noise Abatement Comes of Age C. W. Lemmerman The history and present status of noise abatement are briefly reviewed Legal Aspects of Noise R. C. Keck A number of illustrations of legal liability resulting from industrial noise are presented They Are Doing Somethingabout Noise of Motor Vehicles W. Furrer Noise Measurements RERERE RE RE RE IN By classing vehicles according to engine type Switzerland has been able to fix maximum permissible vehicular noise levels on the basis of annoy- ance The Physiology of HearingLoss H. P. House An understanding of the physiological injuries which cause loss of hear- INing provides a clear reason for the need for preplacement programs IN Measurement of Industrial Hearing Loss D. E. Wheeler To provide a basis for comparison treatment or compensation an 03120032 34 Industrial Hygiene Digest September 1955 1999 1999 1999 19919999 1999 199 1999Novembe NovembeNovembe Novembe Novembe t ABRAMS 0 16205 individual's hearing must be measured under controlled conditions The measurements must be made with accurately calibrated correctly used equipment in a test room or area where the noise background is low NWB Physical Effects of Noise E. B. Newman Noise may be annoying and may interfere with speech as well as organized activity Under some conditions it may produce hearing loss and possibly other biological effects Some facts regarding these effects are presented with a warning about the methods of their estimation Effects of Noise on Man Problems for Study W. A. Rosen- blith The effects of noise on man are not so simple that they may be studied on the basis of stimulus and response The effective stimulus may occur during the major portion of a lifetime The response may not become apparent for years A study program for these problems is outlined A Suggested Audiometry Card and IBM Coding System for - Hearing Conservation Programs A new method for recording and coding audiometry information is de- scribed The Evaluation and Control of Noise in the Offices of an Industry W. W. Stalker Ceilings of acoustical materials have been used for many years in reducing office noise Before and after measurements show the effectiveness of a perforated panel backed by an absorbent pad A Jet Exhaust Silencer J. Tyler and G. Towle A exhaust silencer is described which reduces frequency noise and causes the maximum noise to occur at very high audio frequencies At these high frequencies sound is rapidly absorbed in the atmosphere Most of the abstracts are taken from the summaries of the respective papers ABRAMS ABRAMS ABRAMS ABRAMS ABABRRAMAS MABSRAMS ABRAMS RE IN ININ 1119 Cytological and Cytochemical Changes in the Skin of Hairless Mice Exposed to High Intensity Borne Sound A. Anthony and P. A. Danner J. Invest Dermatol 24 435-446 Apr. 1955 The results of an investigation of abdominal skin changes in hairless mice following exposure to subthermal and thermal levels of high intensity of borne sound are reported Subthermal sonic vibrations have no observable effect on the histological structure or functional activity of the skin Tissue damage produced by very high intensity thermogenic sound is the result of local overheating produced by absorption of sound in the skin induced erythema is followed by depletion of the skin lipids and diminution of cystic cells in the integument The pathological features of skin burns produced by intense sound are the same as those following ordinary skin burns -- Cond from authors summary 35 03120033 Industrial Hygiene Digest September 1955 1120 Summary Evaluation of Nozzled Attachments as a Noise- 01698 3 3 ; Suppression Device Advisory Committee July 1955 W. J. North Technical Note for Aeronautics Washington 3516 D. C. National 19 pp 1990 1990 1990 1990 Toothed attachments to a scale turbojet nozzle were in- 19919090 vestigated for possible noise reduction and thrust penalty The attachments caused slight reductions in total sound power that are insignificant when evaluated in terms of engine thrust losses and air- craft payload penalty At the reduced thrust levels obtained with the November November November November November toothed nozzles corresponding sound power reductions could be realized by throttling the standard turbojet engine Sound pressure levels were reduced behind the engine but were increased elsewhere A typical resident in the airport neighborhood would hear increased loudness in the middle frequencies however the resulting over November NovemberNovember 121 auditory effect is considered to be negligible The Story of Vibration Isolation 110 24-28 Aug. 1955 W. C. King -- Author's summary Safety Maint & Prod November ABRAMS ABRAMS ABRAMS ABRAMS Difficulties in the application of compensation laws to hearing loss are discussed Coupled with the problem of industrial noise is the vibration of constantly moving power machinery When vibration is reduced noise volume is abated simultaneously Excessive vibration can also cause the breakdown of parts of equipment The use of cork and rubber for isolation of vibration is discussed Felt pads are recommended as an efficient means of vibration isolation and applications and advantages are discussed ABRAMS ABRAMS ABRAMS 132 Clothing for Protection against Radiant Heat 8 179-182 May 1955 I. M. Slade Research ABRAMS ABRAMS ABRAMS ABRAMSABRAMS : RE RE RE RE RE IN IN IN IN Materials consisting of a cotton or woolen base coated with aluminum foil give over 90 protection from radiant heat and enable intense sources of radiation to be approached They will not protect against contact with hot bodies or showers of sparks unless the mater- ial a poor conductor such as asbestos cloth Material coated with fireproof aluminum paint can give up to 50 protection against heat radiation The paint is cheap and is easily applied and patched The advantages of this sort of protection have not been fully explored but it seems to be of value in exposure to radiant heat which is less severe than that in which the coated materials have been tested and are being used Perforated metal screens give good protection to eyes against radiant heat and in some circumstances are prefer- able to glass windows in masks They allow ventilation by free cir- culation of air in the mask They are particularly suitable when the surrounding air is reasonably cool - Author's summary 36 03120034 Industrial Hygiene Digest September 1955 016207 1123 Physiological Observations on Men Working in Supposedly Limiting Environments in a West African Gold Mine W. S. S. Ladell Brit 1993 1993 1993 1993 1993 MWB J. Ind Med 12 111-125 Apr. 1955 The working conditions in a deep West African gold mine were found to be markedly beyond those usually considered from laboratory experiments to be tolerable The severity was due chiefly to high humidity and low air movement bulb temperatures were not ex- cessive No illnesses directly attributable to heat had been reported from this mine observation of the men at work showed that they avoided November heat stress 1 by taking frequent rests and 2 by having a lengthy en- NovemberNovember forced withdrawal during blasting at shift into cooler ventilated parts There was no indication that the West African deep miner has an unusually high heat tolerance The importance of investigating November work rhythm as well as the climatic conditions when assessing the tol- November November November erablility or otherwise of working places is emphasized -- Author's summary November November November November 1 ABRAMS ABRAMS ABRAMS ABRAMS 1124 The Influence of Inspired Air Temperatures on Tolerance to Work in the Heat A. R. Lind Brit J. Ind Med 12 126-130 Apr. 1955 Two types of breathing apparatus in one of which oxygen was supplied from a cylinder and in the other from liquid air were worn by men performing two set tasks in various saturated environments The effects of the two types of apparatus are compared only in so far as the inspired air temperature is concerned Discomfort was felt at 95 which is decidedly lower than found in the results of other investigators in which the subjects breathed air openly or supplied by a tube Therefore the figures previously obtained may not apply to wearers of circuit breathing apparatus ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS 1125 ABRAMABSRAMS : RERREE RE RE RE RE IN Diurnal Variation in Mental Performance A Study of Three Workers B. Bjerner A. Holm and A. Swensson Brit J. Ind Med 12 103-110 Apr. 1955 Earlier work on diurnal variations in different forms of ani- mal and human activity is reviewed An extensive investigation is reported in which the number of errors in recording instrument readings various times of the day were determined and tabulated The investigation was conducted at two gas works and a paper mill The greatest number of mistakes was made during the night shift 10 p.m. to 6 m the next greatest during the afternoon shift and the lowest during the morning shift The distribution curve of errors has two distinct peaks one at 3 m and a lower peak at p.m. The curves for day and night work run a similar course but the fluctuation is much greater in the night course The curve is little influenced by the changes portance " 37 . 03120035 Industrial Hygiene Digest September 1955 0016208 of shift The same peaks occur year after year There were fewer . 19 2 0 162 8 mistakes after the working hours were reduced from 56 to 48 hours per week in 1919-20 but the reduction was not due to the shorter working time in itself There was little difference between perform- ance in the days of the shift and no difference between summer and winter performance Sources of variation other than those due to in- 1992 1992 November November dividual performance are eliminated by the nature of the tests is reasonable to suppose that the curve reflects the degree of wakeful- ness during the day and night It seems that seven days are not enough for the organism to adapt itself to night work November N26 November November November November November Oxygen Bends K. W. Donald J. Appl Physiol 7 639-644 May ~ 1955 Goats have been exposed to 64 oxygen and 36 nitrogen for one hour at 5.54 atmospheres On returning to breathing at atmospheric pressure a number of these animals developed grave decompression sickness which however remitted rapidly without recompression The same animals did not develop any signs of separate control exposures to equivalent tensions of oxygen 80 oxygen 20 nitrogen or nitrogen in air The danger of oxygen supersaturation contributing to the occur- rence of decompression sickness in the presence of a relatively safe degree of nitrogen supersaturation is discussed -- Author's summary - H27H27 H27 ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAAMBRAMABRAM Arthritis of the Elbow of Occupational Origin M. Ruelle maladies profess 15 518-523 1954 French Arch Among 950 observations of cases of rheumatic affections at rheumatism clinic only 135 were concerned with arthritis of the elbow Of those affected 53 were miners all of whom had used pneumatic tools The ray pictures were characteristic but an unusual number of isolated bony particles were present Arthritis of the elbow must be regarded as of occupational origin and therefore compensable but usually the condition is so mild as not to interfere with work Only in the few cases where elbow movement is seriously impaired should compensation be awarded -- Cond from Bull Hyg Unla AT 1128 AT Human Problems Associated with Speed and Altitude Flight R. A. McFarland Trans Am Soc Mech Engrs 77 747-758 July 1955 NI NI NI NI Human tolerance for heat and cold is outlined so that aeronau- tical engineers may have a better understanding of design problems related to cabin atmosphere The hazards resulting from noxious gases 38 03120036 1993 1993 1993 1993 Der Der Der Der = = = Nowe Nowe Nowe Nowe Nowe Industrial Hygiene Digest September 1955 0 16209 and vapors are also considered The need for crew indoctrination in the effective use of equipment is emphasized as well as the need for airmen to understand their own physical limitations while in flight NWB Finally the need for more effective collaboration between the biologi- cal and engineering sciences is stressed in regard to improving the machine systems in speed altitude flying -- Editor's summary 1129 Personnel and Equipment Cooling in Supersonic Airplanes and V. L. Whitney July 1955 Trans Am Soc Mech Engrs 77 J. Makowski 741-745 Cooling of crew compartments and electronic equipment be- . comes more important and at the same time more difficult as airplane speeds increase A sharp increase in capacity required from the cooling system takes place when the surrounding air becomes too hot to be a convenient direct heat sink The successful use of water vaporization permits the design of compact cooling units which satisfy the requirements of supersonic airplanes -- Editor's summary =o RADIOACTIVITY AND RADIATION ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM 1130 Conference of the British Occupational Hygiene Society on Radiation Hazards in Industry Brit J. Ind Med 12 143-168 Apr. 1955 The papers presented at this Conference deal with various phases of radiation hazards protection against them and health of workers industrially exposed To a large extent they are reviews of existing knowledge and taken together present a comprehensive picture of the present state of radiation safety RE RE IN I IN N 1131 Late Effects of Beta Radiation of the Eye Ophthalmol 53 708-717 May 1955 G. R. Merriam Jr. Arch Conservatism in the use of beta radiation in superficial ophthalmic lesions is urged inasmuch as numerous late effects have been observed These are telangiectasis of the conjunctiva keratinization of the conjunctival epithelium atrophy of the sclera superficial punctate keratitis corneal vascularization corneal scarring iritis iris Atherstone AL Ble 39 03120037 Industrial Hygiene Digest September 1955 0 16210 atrophy and radiation cataract It is suggested that the current hi h- dosage schedules be reduced It is felt that doses of 2000-3000 rep on the surface would be more judicious and that a surface dose of : MWB 199 5000 rep should seldom be exceeded in the treatment of benign lesions -- Author's summary Nuclear Sci Absts ) 19932 199 199 199 Metabolism of Radium in Man W. P. Norris W. Speckman and P. F. Gustafson Am J. Roentgenol Radium Therapy 73 785-802 November November November NovemberNNoovveemmbbeerr November November November November November November November November November November 1955 The concept of a defined biological time of radium in bone is inconsistent with the term data presented and an alternative is offered Previously published information which shows that the retention and excretion of radium in animals may be repre- sented as power functions has been extended to the analysis of comparable studies in humans The data presented are compatible with this form as are existing data in the literature The use of the power function enables the derivation of the equation of retention from that of the excretion function or vice versa Since methods are available to determine both total radium burden and daily excretion of radium November November __~ a is now possible to use the daily coefficient of elimination as an index of elapsed time since exposure to a single equivalent dose of radium provided of course that soluble salts are known to have been involved and that allowance is made for the possibility of very recent exposures The retention of intravenously injected radium in the human has been measured as 0.6 of the original dose after 22 years -- Chem Absts SS 133 A Method for Measuring the Rate of Elimination of Radon in Breath A. F. Stehney W. P. Norris H. F. Lucas Jr. and W. H. Johnston Am J. Roentgenol Radium Therapy 73 774-784 May 1955 ABR ABR ABR ABR ABR ABR ABRABR }) [) Equipment and procedures are described for measuring the time rate of elimination of radon in exhaled air Methods by which the sensitivity and accuracy have been increased are described The feasi- bility of extending radon analyses to normal body burdens of the order of 10-10 gram of radium is discussed _ -- Cond from authors summary Nuclear Sci Absts) 4, Assay of Radiation from the Human Body P. R. J. Burch and ~* D. B. Appleby Atomics 6, 195-201 July 1955 NI This paper gives a detailed account of the instrumentation used NI in measuring radioactivity of the human body and a discussion of some of the problems presented by measurements of this kind . 40 03120038 Industrial Hygiene Digest September 1955 0016711 1135 Radioactive Contamination in a Radium Therapy Clinic R. G. Gallaghar 0167 1993 1993 M. R. Zavon and H. N. Doyle Public Health Repts 70 617-624 July 1955 A radiation survey of a radium clinic showed gross surface 1993 contamination by alpha- beta- and emitting substances to 1993 1993 be widespread throughout the building and adjacent areas There was 1993 1993 also a high level of gamma radiation from inadequately shielded radium and radon and significant airborne contamination The exact November cause of the extensive contamination was not determined but several November November November causes were obvious including various sources of leakage and especially damage to the area by fire and the techniques used in fighting the fires Evidence of possible minor radiation injury was found in six November November November of the ten employees and medical findings control of the hazard It was not possible to correlate contamination A number of recommendations are given for Most of the recommendations have been put November November November November into effect in the new building used by the clinic -- Cond from authors summary November November 1136 November Some Rules of Thumb in Estimating Radiologic Hazards R. P. Nadbath U. S. Armed Forces Med J. 6 1117-1130 Aug. 1955 ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS In the absence of proper detecting instruments some rules of thumb may aid in the rapid estimation of radiologic hazards produced by radioactive contamination from an atomic detonation Six such rules are deduced and explained They do not replace radiac instruments nor do they solve radiologic problems with pinpoint accuracy When instru- ments are not available however these rules are useful in making pro- per decisions -- Cond from author's summary ABRAMS ABRAMS ABRAMS ABRAMS ENVIRONMENTAL MEASUREMENTS RE RE RE RE 1137 RE RE RE RE Measurement of Atmospheric Pollution by Ultraviolet Photometry D. J. Troy Anal Chem 27 1217-1221 Aug. 1955 A sensitive portable ultraviolet photometric analyzer is an ex- tremely convenient device for determining the concentration of toxic IN gases in the atmosphere but instruments heretofore described have been limited to one analytical wave length 254 millimicrons and data useful for calibration have been scanty A portable ultraviolet gas and Leer, 41 03120039 Industrial Hygiene Digest September 1955 vapor analyzer based on Hanson's design has been gradually improved % 0 162 through several years experience The length range has been extended thereby enhancing sensitivity and minimizing interference and ] therefore increasing the utility of the instrument A convenient gas% mixing apparatus for calibrating the instrument at concentrations from 9999 99 20 to 0.1 ppm has been developed Cond from author's summary F November November November November November November November November November November NovemberNovember November Experimental Methods Used in Determining Chronic Toxicity J. M. Barnes and F. A. Denz Pharmacol Rev. 6 191-242 1954 The methods used in testing safety of chemicals added to foods are examined critically The conventional type of toxicity test is criticized because is often an attempt to prove a negative and large numbers of animals are necessary to derive results that are statistically significant A more desirable approach is to obtain information on the fate and behavior of compounds after their introduction into the animal Such work would lead logically to biochemical and physiological studies which are more scientific in contrast to the simple toxicity test -- Biol Absts NNoovvemebmebrer Determination Determination of Sulfur in the Atmosphere H. Dioxide Dioxide and Stratmann Sulfide Hydrogen Sulfide in Flue Gases and Mitt Ver Grosskesselbesitzer pp 396-400 1953 German ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMSABRAMS ABRAMS : EE Sulfur dioxide in the gases and sodium sulfite and acid sulfite in solution are reduced quantitatively to hydrogen sulfide by means of hydrochloric stannous chloride solutions The H iSs passed into a sulfuric ammonium molybdate solution which by reduction be- comes blue in color Sulfur trioxide is not reduced and the process is unaffected by other flue constituents The analysis gives the sum of SO and H SThe gas under test is then passed directly into the acid molybdate solution to get the H vS olume The difference be- tween the two analysis values gives the concentration of SO However since the H uSsually comprises only % of the SO concentration the sum of both concentrations can be treated as the SO value The colored molybdate solutions are evaluated colorimetrically or photometrically By this means is possible to measure H aSnd SO concentrations down to 0.02 mg per cu m with an average error of % - Chem Absts EE EE An Automatic Hydrogen Sulfide Analyzer B. M. Maslennikov and EE F. A. Kavitskaya Khim Prom pp 485-487 1954 Russian EE IN An appartus is described which indicates a dangerous concen- tration of hydrogen sulfide in the air and sounds an alarm when the safety factor is exceeded It is based on the darkening of a paper strip Ls ! 42 03120040 Industrial Hygiene Digest September 1955 0016213 saturated with a solution of 20 lead acetate 12 glycerol and 0.2 1999 1999 19919999 acetic acid in 67.8 water The strip is passed in front of a photoelectric cell and the darkening of the paper causes a variation of the current generated in the cell -- Chem Absts 01623 1999 1999 1999 1999 1141 Polarographic Determination of Lead in Blood M. Mokranjac and D. Jovanovic Acta Pharm Jugoslav 4 177-183 1954 Croatian with French summary November November November November November November November November November November November November November Five ml of blood is heated with 10 ml of nitric acid until the volume becomes about 1 ml Five ml of hydrochloric acid is added and heated until the volume is about 1 ml Five ml of 6N hydrochloric acid is added and the whole is extracted three times with ether The extract is discarded and the residue to which four drops of sulfuric acid and 1 ml of perchloric acid are added is evaporated until it becomes dark This is continued until the solution becomes clear again and it is then evaporated to dryness Two ml of water is added and the solution is evaporated to dryness This is repeated twice The residue is then dissolved in supporting electrolyte a solution of sodium citrate in normal sodium hydroxide thymol blue is added as an indicator and the solution is examined polarographically -- Chem Absts 1142 Estimatioonf Mercury in Atmosphere Correspondence D. Hunter P. Lesley Bidstrup and others Lancet 268 672 Mar. 26 1955 ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMSABRAMS ABRAMS RE RE RE RERE The authors state that considerable variation was found in the results of recovery experiments when their previous methods for analyz- ing air for mercury were adopted Method Buckell IHF Abst 1157 Oct. 1951 authors survey Abst 196 Feb. 1952 They have there- fore devised an improved procedure After trapping the mercury from the air by a permanganate solution the permanganate is cleared with hydrogen peroxide solution instead of oxalic acid The treatment is followed by an extractive titration with a chloroform solution of dithizone A calibration chart is constructed with known quantities of mercury The method is fully described The modified method is recommended and the figures given for mercury concentration in the air in the earlier paper are not reliable The accuracy of the method for mercury in the urine however is satisfactory 1143 Notes on the Determination of Formaldehyde in the Air N. Zurlo and Angela M. Griffini Med lavoro 45 692-694 Dec. 1954 Italian A method is described for the determination of formaldehyde in air based on the reaction of Schryver carried out in alkaline medium ac- cording to a modification suggested by Tannenbaum and Bricker isopropyl alcohol + phenylhydrazine hydrochloride + potassium ferricyanide + sodium 43 = 03120041 Industrial Hygiene Digest September 1955 hydroxide The stability of the color developed in alkaline conditions 01624 T^ ST permits the determination of 0.5 to 30 micrograms formaldehyde with a precision of + % -- English summary Bull Hyg) T^ ST The Spectrophotometric Identification and Determination of Parathion T^ ST A. I. Biggs Analyst 80 279-283 Apr. 1955 T^ ST JOQUI AON JOQUI AON JOQUI AON JOQUI AON JOQUI AON Parathion in amounts as small as 0.1 mg in 10 ml can be determined by direct measurement of the characteristic absorption spectrum and the result can be confirmed by hydrolysis to nitro- phenol and measurement of its absorption spectrum A clean extrac- tion of parathion from viscera can be made with hexane as solvent and the amount of parathion present can be determined spectrophoto- metrically -- Author's summary 145 JOQUI AON JOQUI AON JOQUI AON JOQUI AON JOQUI AON ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS : EE EE EE EE A Contribution to Mineral Identification by borne Dusts Especially from Coal Mining 555-570 Dec. 15 1954 German Light Microscopy A. Thaer Staub in Air No. 38 The article discusses the various techniques of mineral identi fication with a polarizing microscope It is concluded that the usual petrographical methods in which orthoscopic and conoscopic observa- tion are used are not applicable for dusts below 5 microns in diameter Refractive index measurements for identification are also very uncer- tain and do not distinguish the main mineral components of mine dusts sericite kaolin and quartz Dispersion staining however with either dark or contrast technique does distinguish these three minerals In the dark field technique when a mixture of cinnamon and clove oil of refractive index 1.560 is used as an embedding medium kaolin appears red quartz green and muscovite parallel to the base looks yellow This allows identification down to a diameter of 2 microns contrast technique is still more sensitive and al- though the three minerals can only be distinguished by their appearing in different shades of blue in the same liquid of refractive index 1.560 this method is said to give identification down to a diameter of 1 micron Examples are given of quantitative analysis of ashes of mine dusts obtained by ashing at 450 The paper is illustrated by six color photo- graphs -- Bull Hyg EE EE Determination of Quartz in Minerals and Dusts N. Zurlo and Angela M. Griffini Med lavoro 45 675-691 Dec. 1954 Italian IN IN IN IN The problem of the determination of free silica in the presence of silicates by chemical methods is discussed The authors studied Durkan's method which employs phosphoric acid and bisulfate with 03120042 44 Industrial Hygiene Digest September 1955 reference to the optimum size for most complete separation of 016215 silica from silicates Residues of considerable purity are usually ob- MWB tained when the mean particle size is reduced to about 5 to 10 microns The following procedure was adopted the sample reduced to 5-10 micron dust after preliminary treatment with hydrochloric acid is broken down with phosphoric acid and diluted with water The silicic acid is dissolved by direct addition of diluted hydrofluoric acid the action of the acid is arrested with boric acid It is filtered and cal- cined at 850 The residue is checked for purity by volatilization November November November November November November November November November NovemberNovember x ABRAM ABRAM with a hydrofluoric acid mixture or by petrographic or debye- graphic analysis Where silicates or minerals resistant to phosphoric acid are present decomposition is completed by fusing with potassium bisulfate The hydrochloric acid of the preliminary attack is replaced by nitric acid when sulfides are present - -- -- Cond from English summary Bull Hyg ) 1147 A Laboratory Cloud Producer R. Hattersley B. A. McGuire and D. L. Tye Research Report No 103 Safety in Mines Research Establishment Portobello St. Sheffield England 15 pp Sept. 1954 1s 6d The apparatus injects a metered flow of dust mixed with air into the stream of a wind tunnel It consists in essence of a slowly rotating horizontal disk in whose upper surface a circular groove is machined As the disk rotates the groove is filled with dust by a hopper the dust is directed into the groove and surplus dust removed by two vertical scraper plates The metered contents of the groove are then extracted by a suction tube The dust concentration may be altered by the use of a groove of different diameter or section by varying the speed of rotation of the disk or by changing the airstream velocity of the wind tunnel into which the dust is injected Extensive trials of the machine and statistical analysis of the results are reported -- Bull Hyg ABRAM ABRAM RE RE RE RE COMMUNITY AIR HYGIENE IN Gas Composition 1148 Engine Variableaansndd Their Effects on Exhaust Gas Chandler W. A.Cannon J. C. Neerman and AAR..udolph : J. M. J. Air IN Pollution Control Assn 5 65-70 108 Aug. 1955 A laboratory investigation indicated that hydrocarbon emission engines from tuned is lowest during cruising next lowest at idle 45 03120043 Industrial Hygiene Digest September 1955 0016716 and highest during deceleration Several possible methods for decreas- ing hydrocarbon emission during deceleration are suggested The conclusions derived are yet to be tested under actual driving conditions -- Cond from authors summary 0167 1992 J. Air Pollution Control Assn 5 71-74 118 Aug. 1955 mber mber mber mber mber mber mber =~ DAON DAON DAON DAON DAON DAON DAON aN A review of the literature shows that automobile exhaust gases are a substantial source of the hydrocarbons and nitrogen oxides present in the atmosphere of the Los Angeles area during the intense smogs An investigation is described in which the nature and amount of hydrocarbons discharged by passenger cars into the atmosphere were determined Various types of gasolines and of cars were used Methods of collection and operation are described The mass spectrometer was used for analysis The Stanford Institute Report has shown that % of the hydrocarbons in the fuel are exhausted as such under conditions of steady driving and 19 during deceleration In this paper the amounts of the various hydrocarbons are tabulated for three test localities It was determined that 700 tons represents the minimum daily emission of hydrocarbons into the Los Angeles atmosphere from automobile exhaust 1951. For 1953 the daily emission is estimated to be over 1000 tons per day The results are in accordance with the analyses of hydro- carbons in the air It is believed that devices can be built that will con- vert 60 of the unburned or partially burned hydrocarbons to inert gaseous products Research on such devices is of paramount importance = ABRA Application of Twiss D. M. Control Assn Infrared Spectroscopy to Exhaust Gas Analysis Teague J. W. Bozek and M. V. Sink J. Air 5 75-83 Aug. 1955 S. B. Pollution ABRA ABRA ABRA ABRA ABRA ABRA : An infrared spectroscopic method of exhaust analysis has been developed which has the advantages of speed wide range of response accuracy specificity moderate cost and availability of equipment and trained personnel Disadvantages include low values for hydrocarbons interference of water in the exhaust and less detailed analysis Supplementary procedures and applications are described - Cond from authors summary RERE Study of the Distribution and Effects of Auto Exhaust Gases G. P. Larson J. C. Chipman and E. K. Kauper J. Air Pollution Control Assn 5 84-90 Aug. 1955 IN An extensive study of automobile exhaust gases as a source of IN air pollution in the Los Angeles area is reported Samples of exhaust gases from individual cars were taken under conditions of idling 46 03120044 Industrial Hygiene Digest September 1955 1998 1998 1998 1998 11999898 19 819919898 1998 1998 November November November November November NovemberNovember NovembeNorvember NovemberNovember November November November November November ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS acceleration cruising and deceleration and the duration of each stage 0 162 7 was determined The exhaust gas was analyzed for a number of constit- uents by chemical methods Particulate matter from the exhaust was also determined The effects of the exhaust gases oxidized with ozone on vegetation were studied Damage similar to that caused by smog was found in all cases Eye irritation was also found Results of a study of traffic distribution are reported All the results of this investigation indicate that the principal source of eye irritation crop damage and high ozone content of the air in the area is automobile exhaust gases The bydrocarbons must be removed from the exhaust gases and the efficiency of removal must be extremely high Engineering studies should strive for a 90 over removal in conditions of heavy traffic 1152 Flame Photographs of Light Load Combustion Point the Way to Reduc- tion of Hydrocarbons in Exhaust Gas J. T. Wentworth and W. A. Daniel J. Air Pollution Control Assn 5 91-102 Aug. 1955 It was found that the abrupt increase in the concentration of unburned hydrocarbons in the exhaust gas with an increase in intake manifold above about 21 inches of mercury corresponded to the initial failure of the flame to propagate throughout the mixture As the proportion of the combustion space traversed by flame decreased the percentage of hydrocarbons in the exhaust increased The failure of the flame to burn throughout the chamber was not due to too low a concentration of the reactants it is concluded therefore that residual gas dilution is the major factor limiting combustion Methods of reducing hydrocarbon emission during deceleration are suggested but the problem of eliminating unburned hydrocarbon emission during all driving conditions remains a challenge -- Cond from authors summary 1153 The Composition of Exhaust Gases from Diesel Gasoline and Propane Powered Motor Coaches M. A. Elliott G. J. Nebel and F. G. Rounds J. Air Pollution Control Assn 5 103-107 Aug. 1955 ABRAMS RRE ERE RERE RE Exhaust samples were obtained from Diesel gasoline and powered motor coaches of similar passenger capacity under idling accelerating cruising and decelerating driving condi tions The samples were analyzed for carbon monoxide oxides of nitrogen formaldehyde and hydrocarbons In addition the exhaust- gas flow rates were measured to permit calculation of the emission rate for each constituent at each driving condition Based on a typi- cal city driving pattern it was concluded that 1 The carbon monox- ide emission from the Diesel coaches was only small fraction of that from the gasoline and propane coaches and 2 The differences observed in the emission of oxides of nitrogen formaldehyde and hydrocarbons by the three coach types were relatively small No one coach type dis- charged either the greatest or least amounts of all of these three con- stituents -- Authors summary 47 03120045 Industrial Hygiene Digest September 1955 1154 Some Effects of Engine Variables on Exhaust Gas Hydrocarbon 01628 1992 1992 Content F. G. Rounds P. Pollution Control Assn 5 A. Bennett and G. J. 109-119 Aug. 1955 Nebel J. Air The investigations reported have shown that reductions in exhaust gas hydrocarbon content can be achieved through proper mainten- 1992 ance and design The most important engine variable affecting the 1992 1992 hydrocarbon content at idle was mixture ratio with the highest hydrocarbon contents being observed at rich mixtures Fuel type has essen- November tially no effect None of the engine variables investigated at part November November November November throttle affected the hydrocarbon content significantly The most important variable affecting the hydrocarbon content during simulated deceleration was manifold vacuum A sharp increase was found at vacu- ums above 21 inches of mercury The trend toward automatic trans- November November missions and lower rear axle ratios tends to -- Cond reduce hydrocarbon losses from authors summary NovemberNovember NovemberNovember ) AFRAMI AFRAMI AFRAMI AFRAMI AFRAMI AFRAMI AFRAMI The Role of Motor Vehicle Exhaust Gases in Contaminating the Atmosphere of Large Cities A. S. Lykova Trudy Leningrad Sanit -Gigien Med Inst 14 89-102 1953 Russian A study of air pollution by exhaust gases was made in several large Russian cities and was confined to determinations of carbon monoxide The concentrations varied consistently with the amount of traffic Higher concentrations were found in the winter than the summer The average carbon monoxide content of Soviet cities 17.8 mg per cu m is much less than that ascribed to Paris and to American cities Traffic control personnel show higher CO hemoglobin content than unexposed persons sufficient to account for general complaints of headaches and dizziness Data for the test personnel are included -- Cond from Chem Absts AFRAMI AFRAMI AFRAMI Carbon Monoxide Presence in the Air of Cities and the Possibility of Poisoning V. Giuliani and R. Belli Folia med 38 238-248 1955 ~ Italian RE RE RE RE RE IN ININ ININ The carbon monoxide in the air of streets squares tunnels and places with heavy traffic in industrial zones and in the periphery of Naples was studied Toxic concentrations were not observed Per- sons exposed occupationally for many hours to the highest concentra- tions showed a carbon monoxide content in the blood within physiological limits and no case of poisoning is on record -- Chem Absts 03120046 48 Industrial Hygiene Digest September 1955 01679 866I866I 866I 1157 Management Aspects of Air Pollution 77 581-584 July 1955 G. E. Pendray Mech Eng While air pollution control may be basically technological in 866I 866I 866I 866I 866I method the community problems that arise out of it are principally 866I psychological Therefore mere abatement of the actual pollution will 866I 866I not solve the community relation problems management must cooper- 866I ate and must show that it is cooperating in doing what can be done to alleviate the condition Examples are given in which companies fought JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAON pollution agitation and others in which they cooperated in every way The latter companies have found that their attitude has proved JOQUIOAON JOQUIOAON JOQUIOAON to be a valuable asset JOQUIOAON JOQUIOAONJOQUIOAON 1158 A Technique for the Rapid Solution of an Pollution Equation F. T. Bodurtha Jr. J. Air Pollution Control Assn 5 127-132 Aug. 1955 JOQUIOAONJOQUIOAON JOQUIOAON JOQUIOAON Methods for rapid solution of the Bosanquet and Pearson formula have been developed for use with stack gases at or near atmospheric density It is emphasized that the present state of knowledge of atmospheric turbulence is not complete and the equations should be used with their limitations in mind With that reservation the present method should materially aid the solution of some air pollution problems -- Cond from author's summary ABRAMS ABRAMS ABRAMS ABRAMS ABRAMSABRAMS MANAGEMENT ASPECTS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS 1159 The Anxieties of Retirement P. Townsend Officers 5 19-24 Apr. 1955 Trans Assn Ind Med : : RERE IN IN IN The author contends that the predictions of a large increase in the number of persons over the retirement age in the coming years are exaggerated and that most of the increase has already taken place Too much prominence has been given to the dubious economics of hypothetical population changes and little to the social problems of retirement The social problems especially the family problems are discussed extensively The discussion is based on a limited study of a mainly working class area in England and may or may not be fully in accord with American conditions The evidence suggests that ill health may be the real cause of retirement more often than hitherto supposed but it also 03120047 . 49 Industrial Hygiene Digest September 1955 suggests that a proportion of fit men are retired against their will and 19 21992 0 167 0 some cannot find alternative employment Management has a tremen- 1992 dous obligation to avoid decisions leading to early retirement A deeper understanding of the social and financial consequences of retirement is necessary to develop wise policies for employment in later life or for 1992 1992 1992 genuine security in old age 1992 1160 1160 1160 1160 November November Aging Men the Labor Force F. Officers 5 24-28 Apr. 1955 L. Clark Trans Assn Ind Med November November November November NovemberNovember The author discusses mechanization of industry and the consequent increase in tempo of production in its bearing on the employability or retirement of older workers Tables show the percentage of men who retire at 65 and of men of that age covered by employers pension schemes in relation to the much smaller percentage who said they were retired or discharged The problem of alternative jobs is considered The demand for alternative work for retired workers now approaches 20 This is a problem for full consideration November November ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS Some Medical Problems of Aging Men in Industry Trans Assn Ind Med Officers 5 28-31 Apr. A. W. 1955 Borland , A brief survey of the problems facing two factories in dealing with their aging workmen is presented A study was made of the illnesses chiefly responsible for wastage in the age group 58-64 and of the possible means of preserving the working capacity of the workers concerned and to help them to leave industry with a fair chance of comfortable retirement The steps taken by the two firms to tackle the problem are outlined It is evident that a group of people are able and willing to continue in industry after the retirement age provided the environment is suitable and the hours of work are shortened is case of fitting the job to the become more acute as time our time man It is obvious that the problem will goes on All we can do is mitigate it in -- Cond from author's summary - 1162 RE RE RE RE RE IN Retirement with a Future L. W. Binger 113 124-126 June 1955 Factory Mgmt & Maint Features of a company's program for preparation for retire- ment are described General information on retirement is given to employees in their 40's and 50's Formal counseling begins about five years before normal retirement age which averages about 68 for men and 63 for women The first formal contact is made through the employee's immediate supervisor The couselor then gives additional in- terviews on various aspects of retirement more frequently as retirement 0 50 03120048 1992 1992 1992 Industrial Hygiene Digest September 1955 0 162 approaches All information is recorded A program of special place- ment has been adopted which has been satisfactory from the seniority standpoint On retirement each worker is given a special identification badge which entitles him to buy at the company store and other privi- leges The counselor visits every retired worker twice a year Club- rooms for retired workers are maintained November NovemberNovember November 1163 1163 Human Relations in Industry Lydia G. Giberson Mech Eng 77 499-500 June 1955 Enlightened management has come to the realization that the success of a business depends upon adjusted human relations from the top executive down to the humblest worker in the company It is management's task to correct the inequities that exist in the ranks of its personnel to discover and alleviate the maladjustments to solve the problem of the psychoneurotics who inoculate large groups of otherwise efficient workers with their aberrations Imponderable as the human factor in industry may be is the most important in a free society industry will do well to recognize this basic fact -- Author's summary ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS : RERE RE RERE Men Machines and Mental Health W. C. Menninger Am Assn Ind Nurses J. 3 14-18 July 1955 National Association for Mental Health 19 N. Y. *s, Originally published by the Inc. 1790 Broadway New York i i Several cases are cited in which emotional disturbances caused by problems of personal life outside the factory resulted in greatly lowered efficiency Maladjustment in industry is also a large factor in efficiency From 60 to 80 of all dismissals in industry are due to social rather than technical incompetence The factors in successful industrial psychiatry are leadership motivation treatment and value systems Each of these features is discussed The author pleads for two methods of action on the part of industry 1 to make aggressive application of the mentalhealth principles that we know are applicable to workers and 2 to give much wider support to mental health as it affects executives workers and their families 1165 No Gripes in This Cafeteria 113 148-149 July 1955 J. H. Bolton Factory Mgmt & Maint An efficiently managed cafeteria plan in a plant with 125 workers is described One feature is the use of advance orders for meals This solves the problem of waste of perishable foods check system eliminates the need for a cashier A verifying ticket A service Lazy Susan 51 03120049 Industrial Hygiene Digest September 1955 0162 199093 199093 is used for beverages The entire operation takes only a little time every day The plan has resulted in over 90 attendance at the dining room A committee of three in general charge of the cafeteria is rotated every three months and employees who make complaints are placed on 199093 the committee 199093 199093 1166 1166 Color the Second Value in Paint 32 101-103 June 1955 N. A. Mason Iron & Steel Engr November November November November November The following principles are employed in transforming a machine shop from an ugly duckling into a pleasant enjoyable place to work 1 color contrast 2 brightness contrast 3 camouflage 4 eye rest surfaces and 5 morale building surfaces Each of these principles is discussed NovemberNovember ACCIDENTS AND PREVENTION 1167 Sulfur Dust Needn't Explode P. E. Ziemke Nati Safety News 72 ~ 56 Aug. 1955 ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABARBRAAMMSS Sulfur in powder form requires extreme care in handling since violent dust explosions can readily result when ignition sources are present engineered dust evacuation equipment is of paramount importance to keep the exposure level to an acceptable minimum The dust must not be permitted to accumulate on pipes fixtures and equipment where it can cause a series of violent explosions extending from one department to the next Sulfur dioxide from burning sulfur causes serious and permanent harm to the respiratory tract For heavy concentrations oxygen or airsupplied masks are required and for lighter exposures masks with canisters are sufficient protection Water is not desirable for fire fighting as the steam can cause an explosion in a confined area A dry powder type of extingextinguishuing ishingextinguishing agagentent should be used Equipment for application of powder powder is described and recommended 1168 =! R IINN IN Molten Plastic Injuries of the Hand Report of Two Cases Plastic & Reconstr Surg 15 233-240 Mar. 1955 J. M. Baker Two cases are described in which molten plastic material under high pressure penetrated the hand Details of treatment are given Injuries from molten plastic differ from grease gun injuries in that the plastic material immediately solidifies and can be removed in its entirety whereas oil accumulations remain in the tissues and cause granulomatous reactions At the time of the injury it is difficult to determine accurately the depth and _ extent of the injury The repair of the hand injured by molten plastics is like that of other hand injuries once the process of destruction is clearly demarcated -- Cond from J. Am Med Assn 52 03120050 Industrial Hygiene Digest September , 1955 INDEX 19 91999 1999 19991999 Absenteeism laudable Air pollution calculations management aspects 1049 1158 1157 Coal mine dust hazards estimation Cobaltous chloride and iodine metabolism 016231103 1067 1999 1999 1999 November November November Airplanes supersonic cooling _ Aldrin toxicity by skin absorption Allergy testing 1129 1086 Color in industry Cutting oils survival of bacteria DDT hazards Dermatitis 1166 1058 1089 November NovemberNovember constitutional reactions Aminophenol meta toxicity Arthritis of elbow occupational Artificial respiration positive negative 1052 1083 1127 1056 ielnectroplaters ethylene oxide from soaps and detergents Dieldrin toxicity by skin absorption 1059 1061 1062 1060 1086 Asbestos workers lung cancer 1113 Diesel exhaust hazards 1093 Atmospheric pollution Dinitro metabolism 1082 Governor's Conference November New Jersey Atomic warfare hazards estimation 1044 1136 Dust cloud producer Dust deposition in airways proofing concrete Dusts identification microscopic 1147 1095 1094 1145 Aviation human problems Benzene poisoning 1128 Electrocardiogram in industry a value 1054 ABRAMS ABRAMS ABRAMS ABRAMS chronic therapy adenine Beryllium poisoning treatment aurintricarboxylic acid 1079 1080 1066 Ethylene oxide dermatitis Exhaust gas analysis infrared hydrocarbons effect of 1062 1150 ABRAMS ABRAMS Beryllosis berylliosis chronic 1065 engine variables Exhaust gases 1154 Blood samples from ear lobe Bronchitis occupational factors 1051 1117 air pollution Russia automobile 1155 ABRAMS ABRAMSABRAMS ABRAMS ABRAMS ABRAMS Cafeteria plan Cancer lung in asbestos workers lung with pneumoconiosis in coal workers Carbon monoxide : RE RE RE RE RE in city air Carbon tetrachloride 1155 effects on liver Chest diseases occupational 1165 1113 1114 1156 1074 air pollution distribution and effects hydrocarbons regulations composition motor coaches Fluon hazards Formaldehyde determination in air Heat in deep mines physiological reactions 1149 1151 115Z 1153 1077 1143 1123 vascular pathology Chlordane toxicity report IN Chlordane poisoning fatal IN Chlorophenothane hazards Cholinesterase values normal variations 1106 1087 1088 1089 1090 radiant protection from tolerance with supplied respirators Highway transport safety human factors Bk Rev. Human relations in industry 1122 1124 1043 - 1163 hereto: 53 03120051 a Industrial Hygiene Digest September 1955 " Hydrocarbons Oxygen bends 1126 in automobile exhaust gases 1148 Parathion determination 1144 Hydrogen sulfide determination automatic and sulfur dioxide =~ determination in air dustrial medical training 1140 1139 1048 Petroleum industry hazardous materials Plastics molten hand injury solvent hazards 01624 1092 1168 1091 Industrial medicine and human behavior Industrial recreation Bk Rev. 1047 1039 Pneumoconiosis and cancer in coal workers 1114 coal miners vascular changes 11021107 Insect repellants safety 1085 in gold miners South Africa 1104 secticides and acaricides Canalysis Bk Rev. Ensecticides 1042 in Great Britain in Kolar gold fields talc 1100 1105 1115 Chlorinated hydrocarbon Pulmonary disease diagnosis onl effect on enzymes ead 1084 lung biopsy Pulmonary fibrosis 1111 Ganemia study determination in air and determination biological materials Bk in blood dpeotlearmriongatriaopnhic 1069 Rev. 1141 7 preventive and diagnostic value1070 value1070 effect on succinic dehydrase 1071 in ferrous foundry workers Quartz determination chemical Radiation beta eye effects biology Bk Rev. hazards in industry Radioactive dust 1037 conference 1101 1146 1131 1038 1130 Lead poisoning clearance from lung 1109 porphyrin and stippled cells Leptospirosis in coal miners 1068 1053 Radioactivity of human body measurement 1134 McIntyre Conference --oMannganese -Manganese occupational chest disease dioxide dioxide poisoning poisoning dioxide poisoning Seffects on nervous system Medical research in U. Navy Mental health in industry ~ erformance diurnal variation Mercury Mercury determination in air Molybdenum toxicology Nitric acid fuming injury and death Nitro compounds caromatic metabolism 1096 1072 1046 1164 1125 1142 1073 1064 1081 Radium metabolism in mau 1132 therapy clinic contamination Radon determination in breath 1135 1133 Retirement plan problems social aspects Rheumatism in coal miners 1162 1160 1159 1116 Rheumatoid arthritis rehabilitation 1055 1055 Selenium disulfide toxicity 1063 Silica in blood and urine 1110 Silicon granulomas salicylic acid treatment 1108 Forganic metabolism Noise suppression jet planes Nose symposium 1082 1120 1118 Nutrition education in industry 1050 Occupational chest disease conference Occupational health publications in U. before 1900 1096 1045 Older workers medical problems 1161 Silicosis in Canada 1098 1099 epidemiology in U. Silicotuberculosis problems Sound high intensity skin effects Sulfur explosion hazard Sulfur dioxide and hydrogen sulfide determination in air 1097 1112 1119 1167 1139 Talc pneumoconiosis 1115 03120052 Industrial Hygiene Digest September 1955 awa 01625 Therapeutic trials statistics Bk Rev. 1041 Trichloroacetic acid metabolism 1076 1992 1992 1992 Toxaphene toxicity by skin absorption Toxic materials determination ultraviolet 1086 1137 Trichloroethylene exposure effects metabolites Vibration isolation MWBR 1075 1078 1121 Toxicity chronic tests 1138 Workmen's compensation Ontario 1057 1992 November November November November November November November November November ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMS ABRAMSABRAMS ABRAMSABRAMS ABRAMS : : RERE RE RE RE RE RE RE IN 03120053 55