You w ill n ote Mr, Crane s t a t e s i t is e n t ir e ly p o s s ib le to draw o ff slu d ge w ith th e ga s o lin e d u r in g tan k ca r or bar ge loa d in g opera t io n s , and i t is my thought t h a t p o s s ib ly some Te t r a e t h yl Lead was ca r r ie d to the Cle ve la n d ta n k in t h is manner. .

During this time he has been perfectly healthy, and on physical examination at intervals he has been found to have no signs of lead intoxication.

It is impossible to install a water gage glass on an inverted bucket trap, but if visual inspection is necessary, a gage glass can be placed on the line leading to the trap.

(b) Those which are toxic and are absorbed into the blood stream such as lead, cadmium, etc.

Tobacco was an instigator not just of cancer but of arteriosclerosis, infant mortaUty, ulcers, halitosis, and dozens of other maladies.40 To bacco was a powerful drug: tobacco addiction he characterized as Nikotinismus (or, more properly, Tabakismus), and the people so af flicted as Nikotinisten (or Tabakisten).41 He also compared tobacco addicts to morphine addicts and made a convincing argument that "passive smoking" (Passivrauchen--he seems to have coined the term) posed a serious threat to nonsmokers.42 Lickint argued that thousands of cancer deaths could be prevented by curtailing to bacco use: 20 percent of all male fatal cancers began in the area he dubbed the "Rauchstrasse," leading him to speculate that tobacco might play a major role in as many as seven thousand male cancer deaths per year in Germany.43

Association Particularly valuable to safety professionals is Industrial Ventilation--A Man ual of Recommended Practice, by the com mittee on industrial ventilation ACGIH an nually publishes a table of recommended threshold limits A list of publications will be sent on lequest to ACGIH American Industrial Hygiene Association 47 S Wolf Ledges Parkway, Akron, Ohio 44311 The AIHA is a professional association composed of industrial hygiene peisonnel Established in 1939 by leading industrial hygienists as a result of a need for an associa tion devoted exclusively to industrial hygiene, its purpose is to disseminate knowledge of the field and to promote the study and control of environmental factors effecting the health of industrial workers Requirements for mem bership are a college degree and three years of industrial hygiene experience AIHA publishes "Hygienic Guides" (sum marizing current information on physiological effects of specific chemicals, and methods of control), the American Industrial Hygiene Association Journal, the Air Pollution Manual and the Industrial Noise Manual, and reports and monographs A list of publications will be sent on request to AIHA The AIHA, m cooperation with the Amer ican Conference of Governmental Industrial Hygienists, sponsors the annual American Industrial Hygiene Conference, the largest national assembly for the presentation and exchange of industrial hygiene information American Institute of Mining, Metallurgical, and Petroleum Engineers 345 East 47th St, New York, NY 10017 The AIME promotes the arts and sciences connected with the economic production of useful minerals and metals and the welfare of those employed in this work Publications are Mining Engineering, Jour nal of Metals, and Journal of Petroleum Tech nology, all issued monthly, and Transactions of the Society of Mining Engineers (quar terly), Transactions of the Metallurgical So ciety (bimonthly), and Society of Petroleum Engineers Journal (quarterly) American Medical Association 535 North Dearborn St, Chicago, III 60610 The American Medical Association, the pro fessional society for physicians, has a member ship over 213,000 Its Council on Occupational Health is con cerned with the protection and improvement of the health of the nation's working popula tion through promotion of occupational health programs Through its committees and the staff of the Department of Occupational Health, the Council encourages (a) the ap plication of protective measures against health hazards in their working environment, (b) the placement of individuals according to phys ical, mental, and emotional make-up, (c) ade quate medical care and rehabilitation of the occupationally ill and injured, and (d) per sonal health maintenance The three committees of the Council are the Committee on Aerospace Medicine, the Committee on Occupational Toxicology, and the Joint Committee on Mental Health m In dustry (Council on Occupational Health and the Council on Mental Health) More than 70 statements and pamphlets prepared by the Council and its committees on various occupational health subjects are available from the Department of Occupa tional Health Although these are primarily directed to the physician or nurse, many are of interest to the safety professional Some of the subjects covered are occupational dis eases, occupational dermatoses, hazard pre vention, workmen's compensation, industrial nursing, and management relations The Council on Environmental and Public Health is concerned with problems closely allied to occupational health Its areas of interest are those which pertain to the con trol of transmissible diseases, air, water and sod pollution, ionizing and other radiation affecting the public, traffic and public safety, health problems relating to population growth, urbanization, and technological changes bear ing on ecology of man Publications on these subjects are available from the Department of Environmental Health The Committee on Medical Aspects of Au tomotive Safety over the past years has had a close working relationship with the various committees on traffic safety of the National Safety Council 605

Both sides presented medical witnesses who held diametrically ooposite views on the question of whether ethyl gasoline in its commercial state could produce lead poisoning and leukemia which was the cause of this employee's death.

LEAD INDUSTRIES ASSOCIATION Grayber Bo&img, 420 Lexington Avenue J *3 N*wYori,N.Y.

.; 7% Preferred ..................................................r......... 1575.000.00 National Dairy Products Corporation; Comijpn Stock Purchase Warrants (Option-Expirea May 1,1940) .7 :.................................. 241.00 National Lead Co.; 7% Preferred, Class A................ .................... ........... 14)20,000.00 Ohio Oil Co.ffi%;Cumulative Preferred (Option-110)...................... ................. 2.475.000.00 Otjg Elevator Co.; 6% Preferred............................................................................. 509,760.00 Procter 4 Gamble Co.; 5% Preferred (Option-115 on or before February 1,1939, after at 110).. i.......................... ....................................."

Moreover I have been interested in making some experimental obser vations on individuals with high lead content in the tissues and excreta.

This effective means of advertising is selected by leading manufacturers to promote the use of modern equipment and payment for the service rendered enables the American Society of Heating and Ventilating Engineers to publish and distribute The Guide and to extend its wholly philanthropic services io the general advancement of the profession and its allied industries.

The inquiry concerns the possibility of being acutely poisoned by mercury vapor in a day'3 work in a gold mine, and the determination of mercury or lead poison ing several months Inter.

To arrive at a safe standard, a similar set of hospital, hotel and apart ment risers and headers was submitted to several leading architects, engineers and plumbing contractors for pipe sizing.

The Catalog Data Section gives ratings of current models offered by leading manufacturers.

If it is attempted to remove heavy dust such as lead oxides by an over head hood the conditions may be worse than if no exhaust were used at all, owing to the rising air current carrying the dust up through the 383