Document 718BQ8BxQ4aV9jk2r1XRDy62j

flows Items j91. OHIO LEGISLATION. SILICOSIS ADEED TO LIST OP COMPENSABLE DISEASES. Ohio State Ifed. J* 35# 562-563 (May, 1937). The bill mentioned in abstract No# 115 has boon passed to take effoct on or about August 1. Silicosis is defined as "a disease of the lungs caused by breathing silica dust, producing fibrous nodules, distributed through the lungs and demonstrated by x-ray examination or autopsy." Various provisions of the law are reviewed and a revised list of occupational diseases now included is given. (Puller information will be given in our Legal Bulletin or may be ob tained frero the Ohio State Board of Health.) 292. WORKMEN1 S COMPENSATION LAWS COVERING DUST DISEASES. Ceram. Ind. 28, 297-8 574-6 (April, 1937). ............. ...................... A brief summary of iho laws of a few Representative states*; (The April number of CERAMIC INDUSTRY contains a number of general papers of Interest, which are abstracted in this bulletin. Copies are obtainable fran Industrial Publioa- tions, Inc., S9 E. Van Buren St., Chioago, 111. at 50 cents each.) 295. PRECIPITATES DUST ELECTRICALLY. Foundry, 65, 95 (March 1937.) This is a brief description of the olectricoT' precipitator developed by Westing- house and now applied, to industrial air oleaning field by the pangborn Corpora tion. It is elaiaod that its use in industry provides the advantages of dust and fume collection by electrical means within the range of general application at economical installation and operating costs. The unit consists of 3 essen tial parts, tho oollootor plate cells, the ionising assembly and the power,pack. The grounded plates where the dust is collected are cleaned at aeoessary inter-: vale by washing, rapping or blowing with on air jet. (For information address Pangborn Corp., Hagertetorai, Md.) ' 294. CLEANING AIR WITH ELECTRICITY. Heating & Vcnt. 34 , 70 (March, 1937), Clean air will be supplied this summer to the Field Building In Chioago, by the addition of cleotrostatic air cleaners to its air conditioning system in the lower aroade and first four stories. The air cleaning equipment will have a oapacity of 272,700 ou. ft. per min. and an expected efficiency of over 99JC by weight of dust particles removed. It is said to remove partioles as small as l/5 micron, and to operate on a current consumption of 10 kw. It will oonslst of 18 units and tho installation is expected to bo completed during July. 295. BRITISH USE ALUMINA IN SILICOSIS FIGHT. Coram. Ind. 2, 296 (April, 1937). Due to the high death rate caused by silicosis among pottery workers, several British potteries have substituted alumina for silica for the bedding material during firing. Three large firms are using alumina exclusively, and most of tl. smaller potteries will probably follow their example. In tho United Statos, several plants have been using powdered kaolin in plase of sand for several years. (See note on abstract 291.) I EXHIBIT S WV-00414 gaferences to Recent Literature - 2 296. COURT DECISIONS IT SILICOSIS SUITS Corcun. Ind. 28, 295-6 A review of a numbor of cases illustrating various phases of the silicosis situation. The s'tatus of laws in various states is presentod more fully in another paper and in our Legal Bulletins, but sane interesting side-lights are to be found in this artiolo. (Soo noto on abstract 292.) 297. SHORE ELIMINATED BY SUPER-SOUND WAVES. Power Plant Eng., 41, 174 (No. 3, 1937' J. Frank. Inst. 223, 510 (Apr. 1937); Scl, Nows Let, 31, 14W (1937). A popular account of lectures and demonstrations of coagulation of smoke by supersonic waves, by H. W. St. Clair of the U. S. Buroau of Minos. Several other abstracts havo referred to this process, and a full account will prob ably be given in a future publication of the Bureau of Nines. 298. BEARD IS EXCELLENT SILICOSIS PREVENTIVE. Coram. Ind. 28, 418 (May, 1937). An inquiry roccntly instituted among a group of masonry workers showed that clean-shaven workers sufforod by far the most from silicosis* Those with - strong moustaches got along much better while the workers with full busty beards and moustaches vrero jraetioally immune from silicosis. The obvious ex planation was that the moisture of tho breath on the Kafr formed a very efficient filter ruid one which mon could not take off." (The above is included as an iter of intcrost, but it should be addod that no authoritative reports of suoh an investigation have appoared.) general and Soientifio papers 299. TALC DUST IN THE RUBBER INDUSTRY. Chas R. Williams, Safety Eng., 73, 49-51 (April 1937). Talc is used in tho rubber industry as a dusting agent to provent pieces of unvuloanisod rubber from sticking togother, end is disseminated into tho air in large quantities. Tho question of pormonent lung damage from this inhalation of dust has been raised, but there has been little work done in oonnootion with the problem. According to Dreessen and Delia Vallo disabling pneumoconiosis is not produced, but there is evidenoe of a "fine diffuse bilateral fibrosis of the lungs which is definitely demonstrable in the x-ray.n The author reports a survey of 9 representative rubber plants using talo. The dust concentrations found with the lmpingor variod from 7 to 194 million par ticles pci* cubic foot. Tho quarts content of the dust is very low, usually only a trace. Recommendations for reducing the hazard include careful handling which con bo automatic in tho panning operations, isolation of dusty operation; use of talc with a high oarbonate content, and use cf respirators. (Reprints may be obtained from the author. Engineering Dept., Liberty Mutual Insurance Co, Boston, Mass.) 300. PSEUDOTUBERCULOKA SILICOTUM. J. S. Faulds. J. Path, and Baot., 41, 129-135 (July, 1936). Two cases of subcutaneous pseudotuberculama, caused by implantation of silioeou matorial with no tubercle bacilli, ore described. They are similar to those previously described under tho name pseudotuberculcana silicoticum. In "the twe casos, 23 and 10 yonrs respectively elapsed between the injury and the devel opment of the tumor. Polarized light was successfully omployod in examination of the mineral substanco. to Eeoent Literature - 3 , SICKNESS AMONG KH.E INDUSTRIAL EMPLOYEES DURING THE THIRD QUARTER AND THE FIRST * g MONTHS OF 1936. D* K. Brundage. U. S, Pub* Health Repts., 52, 127-129 (J&n. 29, 1937), The total number of cases of illness lasting 8 days or longer, among 164,000 jtele industrial employes (exclusive of venereal disoasos) rose from 87 per 1000 in 1935 to 91*8 por 1000 in the third quarter and first 9 months of 1936* ' The morbidity rates for now cases of tuberculosis of the rospiratory system are unprocedently low for the third quarter. Pneumonia increased over the same periods while a number of other diseases wore lower than in the same period of 1935* The figures arc conveniently tabulated. (The Roport of the above date is ob tainable from tho Superintendent of Documents, Washington, D. C. for 5 cents cash.) j02. DISCUSSION OF INDUSTRIAL ACCIDENTS AND DISEASES. 1935 CONVENTION OF THE IN TERNATIONAL ASSOCIATION OF INDUSTRIAL ACCIDENT BOARDS AND COMMISSIONS, ASHE VILLE, NORTH CAROLINA, ( u. S* Dept, Labor, Div. Labor Standards, Bull, no, 4, 1936.) The following three abstracts summarise the papers of greatost interest among a number of others presented at this meeting. Those not abstraoted inolude a few others on various aspects of pneumoconiosis and ft larger number on provonti. of occupational diseases and aoeldonts, workmen's compensation and its administrution and other matters of general interest, (Tho entire report is ob tainable from tho Superintendent of Doouments, Washington, D, C., for 20 oonts cash.) 303. ESSENTIALS IN THE DL*GNOSIS OF SILICOSIS AND TUBERCULOSIS. L. U* Gardner. (U. S. Dept. Labor, Div. Labor Standards Bull* no* 4, 1936). Tho author begins by defining pneumoooniosis as "a condition of the lungs re sulting from the prolonged inhalation of dust." The condition becomes a dis ease only when serious changes producing symptoms occur. An outline of the types of dust is then presented, with emphasis on tho point of "adequate ex posure" and the importanoo of a good oooupational history. The pathologioal . and roentgenological features of silicosis end asbostosis are reviewed oon- eisely, A disoussicn of symptoms and prevention concludes the pa por. (See note an abstract 502.) * 304. RELATIONSHIP OF ASBESTOS IS AND SILICOSIS TO DISABILITY. R. R. Sayers. (U. S. Dopt. Labor, Div. Labor Standards, bull. no. 4, 1936), The definition of silicosis drawn up by tho American Public Health Association is followod by the author's equally full definitions of asbostosis end of dis ability. Tho increased lost time due to rospiratory infections among workers in dusty atmospheres, as compared to otter workers, is demonstrated. In one of tho dustiest occupations, that of hand pneunatio cuttors in tho granite in dustry, whero the dust is high in silica, the time lost from such illness Is four timos as great a.6 among workers oxposed to minimum quantities of industrial dust. Tablos of anthraoo-silicosis and associated rospiratory infoetion and of mortality from respiratory tuberculosis are included. (For reprints soo abstract No. 302.) 305. PNEUMOCONIOSIS. R. Hunt. (U.S. Dopt Labor, Div. Labor Standards, Bull no. 4 1936), The author considers "pneumoconiosis" as a genoral term vory broad in scope and referring to presence of any dust in the lungs, A review of the pathology of tho pnoumoconioscs is followed by a more detailed discussion of that of silico sis, He states that "silioa is soluble in tho weak body alknlies, producing ^ferenoes to Recent Literature - 4 a toxin or poison, which "so alters the immediate surrounding tissue that it loses its resistance and becomes incapable of protecting itself against the invasion of foreign bacteria." "Roughly speaking, an atmosphere .containing 5 to 25 million particles (of silica dust) per cubic foot, may produoe sil icosis in from 5 to 25 years, and about 25J? of all dust workers will eventually contract the disease." The history, physical examination, x-ray examination, dust counts and the progress of silioosis after exposure has oeased, tarty briefly discussed* Silica found in the lungs at autopsy amounts to 2 to 50?J of the total ash. Authorities hesltr.to to call an amount less than 15% ab normal. (For reprints see abstract Ko, 302.) 306. TEE HEALTH OF CEMENT YIORKERS, A. J. R, Curtis. Pit and Quarry, 71, 66-70 (April 1937). The results of several years' research work in plants of the Portland Cement Association are presented. The study included respiratory, abdominal, di gestive and miscellaneous disorders. There is little evidenoe of silicosis among cement workers, as may be anticipated from the very low oentent of free silica (about 2$). The death rato for tuberculosis among cement workers is only one-half that for all males in the U. S. Registration Area Minor re spiratory diseases are common but cannot be associated with dust exposure. Rheumatism and arthritis are the most important miscellaneous illnesses. Other diseasos are discussed briefly. (This office will have information about reprints on inquiry.) . 307. CONDITIONS OF WORK AND MORBIDITY AMONG WORKERS AT A THOMAS SLAG MILL. A. G. Kalashian. Gigiena truda i tek besopasnosti (Russian) no 6, 95-94 (1956) Very high dust concentrations were found at tho Thomas slag mill of the metal lurgical plant at Kerch Respiratory diseases are much more frequent among workers in this deparfanont than elsewhere in the plant. The author advises dust control, careful selection of workors, medical supervision and oooa- eional transfer to loss dusty places ,, 308. MANGANESE PNEUMONIA. E. W. Bander. Aerrtlich. Sachverstand* Zt* (German) 43, 75-81 (1937). , ^particular caso of pneumonia in a worker handling pyrolusite In making dry cells led to a bibliographical study of manganese and limonite mining in various countrios. A high incidenoe of lung inflammation, including many fatal oasec, was found in all oountrios. In the case desoribed, manganese du6t was found in the lungs, although there was no change in the conneotive tissue. ' 309. THE MIST FR0JECT0R FOR SUPPRESSING DUST AND HJMES AFTER SHOT-FIRING -- HOLKANWETHERILL MIST PROJECTOR. P. S. Hay. Iron and Coal Trados Rov. 132, 580 (Mar. 27, 1936). Discussion of this paper at various mootings is carried through several later issues. Spraying systems and other wetting processes for laying dust in mines are generally ineffective, because the comparatively small mmber of coarse drops is insufficient to bring than into contact with all tho dust* This difficulty is obviated by tho use of a fine spray, and various mechanical moans of pro ducing a fine mist were tried. Experiments were made on (l) the optimum sire of tho water particle, (2) the design of projector to give the most effective mist, (3) the addition of small amounts of wetting reagents, and (4) the ef fect in dealing with fumes and smoke from explosives, which have been shown to accelerate the development of silioosis. The addition of alkalies was ef fective in absorbing these gases, but it was brought out in tho discussion References to Reocnt Litoraturo - 5 . that the alkali dries on the clothing and bodies of miners. A small apparatus embodying the results of the research was found to reduce tho dust concentra tion to about 17%, Tfith the Holmos-A'othcrill mist projector a small quantity of oastor oil is fed Into the air stream and atomized with the water. The oil retards evaporation and consoquent drying of the dust. Mine tests shewed that 805? of the dust pro duced by blasting was wotted and deposited near the souroo of production. Al though this projector is still 3n an early state, the results obtained give premise of greater comfort, for tho workejr. Tho dust particles remaining in suspension are mostly 0.5 to 2 microns in diamoter. The mist projector is most effective whore the ventilation is sluggish. (Ho reprints are available, but the material may be published later in a report. Copies of the magazine arc obtainable through G. E* Steohort & Co., 31 E* 10th St., New York City.) 310. THE MICHDKETRIC ESTIVATION OF QUARTZ IN ROCKS. S. H. Shaw. Bull. Inst, Min. & Ifet. 385, 19 and 386, 9-22 (1936) Tho object of the investigation was to cheek the chemical estimation of quartz or free silica in rocks by the mierometric method and to determine the re liability of the lattor. (This method applies to material in the rook and cannot be used for dust or fine particles.) The Delasse-Rosiwal method is appiicable to any homogeneous rock. A representative plane surface is prepared, and tho sum of tho intercepts made by any constituent on a sufficiently long . line, divided by .the length of the line, is taken as tho volume fraction of the constituent. The chemical estimations of free silica were made by a "rational analysis" method, in whioh the powdered sample is treated alternately with aoid and alkalino solutions so that only the silica and refraotory silicates,.mostly orthoolase, romain. Tho residue is analyzed for alumina, a proportion of sil ica sufficient to make orthoolase is assigned to tho alumina, and the remainder is taken as free silica. Tho chemical and mioramotric analyses check satisfactorily for igneous rook*, to sedimentary rocks suoh as sandstones, the miorosnetric method gives low re- suits as oaapared with the chemical, probably because fine-grained quartz may - be overlooked. In shales, olays, etc., tho discrepancy would be still greater ' and the ndoramotric method is unsuitable. The presenoe of carbonates oauses especially low results for quartz. (These bulletins are obtainable through G, E, Stschert & Co*, 31 E. 10th St., New York City.) 311, DUST PREVENTION AND ELIMINATION, Ceram. Ind. 28, 299-302, 539-41 (April 1937), A general discussion of the necessity of cleanTTness and methods of dust -de termination and collection is followed by a description of means actually used and found successful in pottery, glass and enamel plants, with a number of Il lustrations. to the pottery industry, the most difficult problem is in the handling of potter's flint or feldspar high in free silica. Shipping in double bags Is a partial solution, but spraying water at the time of loading is better. In other operations properly dosignod exhaust systems have proved successful. After a dust survey had been conducted and improvements made, no dust concentra tion of over 1 million particles per cubic foot was found* In the glass in dustry the. only hazard is in the handling of raw materials, and it has beon greatly reduced by improvements such as unloading oars by suction, briquetting, dust boots and enclosed mixers. An enamel plant is easily oleaned to such on oxtent that the dust hazard beoonos negligiblo. In a plant studied positive prossure is used throughout the enamel shop. Tho greatost hazard Is in sand blasting, where suotion for tho enclosed room and positive prossure for tho oper ator havo been used successfully* In spraying and brushing operations a good down-draft exhaust is efficient. (See abstract 292.) Inferences to Reoont Literature - 6 512. AIRBORNE COAL DUST -- ABATEMENT OP THE NUISANCE IN INTENSIVE CONVEYOR MINING. A. L. Davies, Colliery Guardian, 153, 755-758 (Oct* 23, 1936) Wetting of crushed coal in a dusty screening plant was found to reduce the dust hy 99,5% in the chanter under the truck tip and by 90% in the vibrating screen room, without reducing the screen efficiency* Nozzles with 1/8 inch orifices were used with a water pressure of 40 lbs, per sq, in. The coal rate was about 50 tons por hour, (periodical obtainable from Stechert as above*) 515, PREVENTION OF SMOKE AND DUST EMISSION FROM CHIMNEYS. Nature 139, 138-141 (Jan. 1937) . In Great Britain 165 million tons of coal arc used annually, including 35 mil lion tons in domestic grates. The large industrial units are equipped with dust and cinder-catching devices, such as cyclones and settling chambers, Tho Cot trell process has boon successfully applied to collecting fly ash, but it does not affect the sulfur gases. In a large British powor station 1 million cubic feet of flue gas are scrubbed per minute to reduce the discharged sulfur dioxide and carbon dioxide concentrations to reasonable figures, (Magazine ob tainable from the McMillan Co.) 514, HYDRAULIC COAL BURSTING AT NESTOIGATE COLLIERY. D. S. Newey. Trans, Instn. Min. Engrs,, London, 92, 274-282, DISCUSSION, 282-290 (Feb,, 1937). This paper describes a now mothod of obtaining coal without the use of ex plosives, thus avoiding noise, danger of oxplosions from shot-firing, formation of nitrous fumes, and danger to the roof, and producing a minimum quantity of dust, Tho coal burster is a stainless steel barrel bored at fixed intervals to receive pistons or plungers, A hole of small bore runs through tho barrel and communicates with each of the plunger cavities while the barrel is connected to a pump. Operation of the pump causes the plungers to emerge tinder pressure, usually for a distance of 3^ inches. After the coal is underout, holes are drilled in tho coni to take the burster and the pressure is turned os, Tho pressuro dcvelopod is 4,000 to 5,000 pounds per square inch and the total force exerted is 50 or 60 tons. Tho coal is brought down in 2 or 3 minutos, (This offico will have information on the availability of reprints,) 315. MEDICAL ASPECTS OF SILICOSIS. Ceram. Ind. 28^ 294,374. (April 1937). A brief discussion of the cause and oourso of silicosis, the prevalence of the silicosis racket and'the neoessity for expert medical examination, (Seo note on abstract 292), 316. SOKE ASPECTS OF BLANKET COVERAGE OF OCCUPATIONAL DISEASES IN THE UNITED STATES. L. R. Thompson. U, S, Pub. Health Repts., 52., 329-334 (March 19, 1937). Attontion is called to tho groat diversity of workmen's compensation laws in this country. Occupational diseases arc covered generally in only 8 states, in others only specified diseases arc covered, and in many no provision at all is made. Lows that covor only certain diseases have boen oriticicod as "unfair, illogical,, unjust and ineffectiveThe change from no covers# to blanket coverage Arc'id to increase'the, rates by n_t V;;r 1%, Statistics of tho operation of the Wisconsin blanket law are given. Opponents of the blanket law contend that the advantage of prompt payment is frequently lost, (Copaos of the Report of above date are obtainable from tho Superintend ent of Documents, Washington, D. C,, for 10 cents cash.) ggferemc5 to Recent Literature - 7 . #17, SILICOSIS - RACKET OR RESPONSIBILITY? (instalment 1) Charles S Pearce. Ceram, ind. 28, 140, 145 (Feb, 1957). The author cites instances of the "silicosis racket" in -which physicians Incom petent to diagnosis silicosis and unscrupulous lawyers have had more influence on unintelligent juries than experts with carefully and scientifically prepared evidence. The author then considers the actual dangor in certain operations in the enamel industry. Sandblasting is a serious hazard, but the author's exper ience with spraying and grinding with carborundum wheels convince him that they do not involve a silicosis hazard, (See note on abstract 292, but note that thit is In the February number.) 518, PREVENTION OF SILICOSIS BY IMPROVEMENTS IN PLANT WORKING CONDITIONS, (instalment 2) Charles S. Pearce. Coram. Ind. 2B, 542-344 (April 1937). A general paper on dust control, especially in the enamel industry, including exhaust systems, spraying bootlTs, respirators end positive pressure holments. (See note on abstract 293.) C, Scientific papers on industrial poisons and other subjects exclusive of dust* 519. CHEMICAL CANCER. H, E. van Thomsche. Ing. chi. (French) 20, 30-35 (1956). Cases of cancer duo to soot are twice as frequent in chimnoy sweepers as in any other occupation. Personal cleanliness and tightly fitting clothing around, the nock and extremities areth best preventives. Similar precautions in oases ex- , posed to gasoline, paraffins, oils end greases, and especially tar, pitch, rosin and aniline dyes, will do much toward preventing cancer caused by these sub stances. Strict medloal supervision and the uses of processes which avoid con ' tact with the product will further reduce the dangor* The derivatives 1,2 . , benzopyrono and 1, 2, St 6 dibenzanthraoene are particularly aotive in forcing ; cancers. The author suggests a chemical explanation of their notion. 520. THE PHOSFHOKDS CONTENT OF BLOOD AND OF BONE IN VARIOUS TYPES OF EXPERIMENTAL POISONING* LEAD, EERCURY, CHROMIUM. PHOSPHORUS, STRONIUH AND FLUORINE. P, Cirla Med. del Lft, (Italian) 28, 44-54 (1957). In lead and chromium polsqaing the total phosphorus in the blood is increased, ` while the soluble portion is diminished. With strontium, the total and lipoid phosphorus are increased, while in acute poisoning the inorganic and acid sdubl fractions are decreased. In fluorine poisoning the blood phosphorus is variable but it tends to remain stationary in phsophorus poisoning* The bone phosphorus in the epiphysial region tends to diminish in lead and chromium poisoning, while with lead and meroury it remains normal. It is much augmented in fluorine and i acute strontium poisoning. 521. LEAD POISONING VIJ TH SYMPTOMATOLOGY REFERRING TO THE ALIMENTARY TRACT. L. Freti. Med, del Lav., 28 1-11 (1937). A discussion of a lead poisoning case, including symptoms of the gastro-intestinf tract and argument concerning the duty of -the state toward workers so afflicted. 522. CHRONIC LEAD POISONING WITH SYlff TOMATOLOGY REFERRING TO THE CAPDIO-VASCULARRENAL SYSTEM. L. Preti. Med, del Lav., 28, 33-43 (1937) A detailed description of a case of lead poisoning in a vnrnisher, aged 46, is presented. The (Italian) legal implications of compensation and the question of beginning old age pension retirement for such an individual are discussed* 'jjferences to Recent Literature - 8 .J SIGNIFICANCE OF THE BLOOD PICTURE, LEAD ELIA'IN-TION IN THE URINE BY KEANS OF VARIOUS CALCIUi: IREiVIt'.TIOES AND their relation to phosphate metabolism. IN VESTIGATIONS OK NORMAL JEESONS. F, Schmit t end Vf. Ensse. Arch. f. exp. Pathol u, Iharmakol (German) 184, 541-546 (Jan. 15, 1957). lew calcium diet in normal persons produces an increase of load in the blood and o shift of tho total phosphorus in the plasma. Calcium given intravenously or orally increases tho total phosphorus, also the lead in the blood, sometimes to values approaching values found in lepd poisoning* There is a relation be tween calcium, total phosphorus and lead, manifesting itself in a parallel in crease. 524, CARBON MONOXIDE AS A TISSUE 101 SON. E, Schultso. Klin. Tfohnschr., (German) 16. 417-428 (1937). 1 One of two groups of guinea pigs was exposed for 15 to 20 days, Z-j? hours daily, to very small amounts of oxygen, while the other was exposed 10 to 20 minutes daily to a carbon monoxide concentration of 0.5/S. In the first group the thyroi remained normal,'While in the second, hyperfunction developed* Therefore it is not deprivation of oxygen but carbon monoxide that causes these ohnnges, the lat. tor noting as a tissue poison* 525* THE TCXICITY OP INDUSTRIAL SOLVENTS. R, G. Harry. Paint Manuf., 6, 288-290 (1936) " The important solvents and plasticizers are discussed with regard to solvent properties, uses and disadvantages, especially poisonous properties. The author recommends that only tho least toxic csf the chlorinated hydrooarbons be used in paints, varnish strippers, and allied products and their presence should be shown on the wrapper of the container* Ketones, esters, and plasticisers cause but little damage. 526. POISON GASES AND THE IETROLEUJI INDUSTRY. S. J. K. Auld. Petroleum Times, 55, 781-782 (1936). This paper deals with poisonous gases used in warfare and tho possibility of de velopment of now gases from petroleum. Ethylcno is a great potential source of . war gas, with the possibility of 40jS being converted into mustard gas. Cracked gas may be tho foundation of the "persistent-lethal'* for which search is being made. 527. NEW DISCOVERIES Oil INJURY TO HEALTH BY CHEMICAL SUBSTANCES. F. Koelsch. Chean. Fabric, (German) 421-429 (1936). ,fai address on the poisoning by chemical substancos, their effects, individual susoeptibility, diagnosis and sanitary precautions, i The substances treated in clude most poisonous motals, carbon monoxide and some organic compounds. . 328. EFFECT OF ANILINE ON THE LIVER AND ON THE FUNCTION OF THE PITUITARY AND ADRENALf N. M. Rudenko. Gigiena truda i tok. bezopasnosti (Russian) 6, 19-24 (1936). Animal experiments on the effect of aniline administered by various methods sho. ed that it acts on the liquids of the parenchymatous organs, especially on the liver, and n ot upon the oentral nervous system, as many authors believe. A now method of determining the effeot of aniline on hormone formation shows that the thyreotropia hormone and adrenaline remain within the normal limits. 3 Ci' y j fCT&itcs decent Litoratv.ro - 9 6 bekzei-E SICKNESS IE FORMERS APPLYING RHUJBEEH (HUES. E. Holstein, lied. Welt. :2'" (German) 11_, 321-393 (19S7). ^ study was made of 85 persons engaged in gluing together pieces or rubber for rubber shoes, with a glue containing 78/5 benzene and 13J? trichlorethylenc. Eleven cases of benzene poisoning were found, also 14 others who had been ill from aneni.a and hemorrhage. Improved ventilation was ordered and the use of the solvent was discontinued. !!C)i FATAL PHOSFHIITE POISONING IN FUMIGATING FOE CORN WEEVIL. 0. Gessncr. Samml. " v. Vcrgift., (German) , (Gutachten) 13-18 (1937). phosphine in high concentrations was liberated from bags containing 30 grams each of aluminum phosphide, distributed throughout a granary. Twelve cases of nausea and one death followed. SET METHOD OF INVESTIGATING INDUSTRIAL DISEASES. F. Timm. Deutsch. Ztschr. f. d. gos. gericht. Ked., (German) 28, 48-50 (1937). Py the use of a darkfield method proposed by the author, it is possible to de tect snail amounts of heavy metal in the organism, how the metal penetrated, where it is deposited and how its mobilization by medicaments takes place. He reports as an example, a case of lead poisoning. (These claims appear rather broad, but this is all the information ve have at present. Abstr.) 332. A KICROGRAVIEETRIC METHOD TOE DETERMINING SMALL AMOUNTS OF MERCURY VAPOR IK AIR. V. A. Fiankov. J. Applied Chcm., (U.S.S.R) 9, 580-582 (1936). On passing the air through a spiral tube containing iodine, crystals of mercuric iodide settle on the walls of the spiral* After removal of the excess iodine, the mercuric iodide is dissolved out with ether, dried and weighed. 333. PURIFICATION OF GASES AT THE t'ERBJRY PLANT AT NIKITOVO. V. A, Piankoff and K. L. Loevsky. Gigicna truda i tck. bozopasnesti (Russian) 6, 57-58 (1936). It was found that 2 to 3 kilograms of mercury were lost daily. Considerable sul fur dioxide was also present. The authors recommend catching the sulfur dioxide with dilute ammonia and fixation of the mercury with chlorine. 334. DETERMINATION OF MERCURY IN AIR AND ABSORITION OF VAPORS OF MERCURY WITH THE AID ' . OF METALLIC. GOLD. V. Ma^er. Collection Czechoslov. Chcm. Common*, 8, 339-348 (1936). ~ Very small quantities of mercury are determined by distilling into a fine cap illary, uniting the gl jfeules with the aid of a centrifuge and measuring the length of the thread of mercury. In some cases the mercury was condensed in tubes ohillcd v/ith liquid air. Quantities larger than 0*5 g. per liter the colorimetric method is advised. 335. DETERMINATE OF SMALL CONCENTRATIONS OF SULFUR DIOXIDE AND HYDROGEN SULFIDE IN AIR. II. V. G. Gurevich and V. P. Vondt. J. Gen. Chem. (USSR) 6, 962-971 (1936). The modified method of Vorlander and dwpends on the different rates of oxidation of hydrogen sulfide and swlftar dlcsrido in air in an ammonium hydroxide The sulfate is precipitated with lead nitrate and the turbidity due to lead sul fate is determined with the aid of a special photoelectric nephclometer. De tails of the method arc given in Chemical Abstracts, for Feb. 20, 1937, col. 629 or will bo supplied on request) but we doubt whether they aro full enough to follow without referring to the original Russian. Inferences to Recent Literature - 10 536. NOTE ON A? r;.^f.ST:r-no:* 0? LVN1 D/JVOE IN SUPERS, CARRIED OUT IN OCTOBER-NOVEM BER, 1936 IN THE SCal'ESiXRO-I-aiUSTADTl'R KIEFS, E. Noitzcl. Arbcitcschutz pp. 70-72 (1937). As a result of filtrr.tion experiments the author concludes that the lung in juries ir the Schn:rburg mines arc caused by the radium emanations, and not by air colloids or dust. The quantity of e7r.anr.ti0r in the air was not decreased by filtering through carbon, although it wos when silica gel was used. For pro tection of the miners, the author suggests the use of pneumatic drills where tho emanation content is high, control of nine air, and changes of working place for tho miners. 337. LATE lOSHCORTEi: DENONSTR;T10N OF CARBON NONOXIDE. II. 1`ieozarkowski. Polska Gazctn Lekarska, 16^, 24-26 (Jan, 10, 1937). The literature on death by asphyxiation from illuminating gas is meager from the viewpoint of demonstrating the cause of death after exhumation of the suspected body. The author's experiments yield additional information on that point, and shew that under some conditions the presence of carbon monoxide can be demonstra ted for a surprisingly long time after death. Spectroscopic and chemical examnation of the blood reveals the presence of car bon monoxide, even in decomposed parts of the body after 2^ years. If blood poisoned by the gas is scaled with exclusion of air, spectral and chonical an alysis demonstrate its presence oven after 20 years. The presence of the gas may also bo demonstrated during 1 year by pouring thickly and drying the blood. However, if the blood is in contact with air, the tests are ineffective in a much shorter time, depending on the extent of oontact. The blood mixed with Jaederholm*s solution shows oarbon monoxide for only a short time. 338. SOVIET CARTRIDGE RESPIRATORS FOR CARBON NONOXIDE. T. P. Glazkoff. Gigiena truda i tel:, bezopasnosti, _6, 89-90 (1936). Two hopkalite cartridge respirators are described, one r/ith 1900 cc, capacity, good for 10 to 18 hours, and the other, 700 cc. usable for l-3r to 3 hours* A dis advantage is that they give no warning 'when their effectiveness ceases.