Document 935DZmvn2aqBNvE6j3ZKmxpD5

Digest of Industrial Hygiene - 11. 448 Avoidable loss of Life. W. Meyer. Casiaske 12. 42-5 (1940). (Carman). A description of deaths caused by breathing fuses of lead, morcury, benzene, miscellaneous organic vapors, hydrogen sulfide, oarbon monoxide and dust. Tbe could have been avoided by tbo use of a gas mask. 449 Public Notice of the Goman Minister of Labor Concerning Decisions of the Cwnan; Committee for Dust Protectlvo Apparatus. January 30. 1940. Roicbsgcsundboltsbl 15, 283-7 (1940). (German). Tho published regulations relate principally to protection for sandblasters. Each must bare a positive pressure holmot which must havo sufficient excess pressuro and an air supply of at loast 80 liters per minuto. Construction oust bo suob as to prevent decrease bolow that aoount; the air supply oust be free from dust and oil and there must be en adjustable contrivance for heating which will provide a temporature of at least 20<>C. It is rocammonded that air be brought in by special ventilators, and direct connection with the ordinary com. pressed air supply is allowed only temporarily and only if the other conditions aro fulfilled. Three ecnaercial German helmets moot tbo specifications, (oneAuor and two Draeger) and others havo bean rejected. 450 Resuscitation After Electric Shock. C. ?. Delziol. Bloc. Vest 88, 58-42 (April, 1941). Several first aid techniques for the electrical worker aro presented. Tho proi pressuro (Shaefer) oothod and pole top method ere desoribod, with the aid of numerous illustrations. Tho various organic causes of death from electric shoe . tho treatment of shock, and safety measures ere fully discussed. 451 Resuscitation from Shock. O.H.Bell and J.A.C.Knox. Elec. Rrr., 127. 241 (September 20, 1940). Experiments in resuscitation using the Jail lank and Shaefer methods were perfoj od on subjects who were trained to relax their respiratory ousoles. In the Jolllnok method, tho subject is laid on bis back and bis shoulders- ere farolbl; pushed backward toward tbs ground, bonding the vertebral coluan. The authors found that this method did not bring enough air into the lungs- and that tho stf joota wore very uncomfortable. The well-known Shaefer method proved entirely satisfactory and la much preferable to the other. 452 Muscular Paralysis Caused by Electric Currents. C.E. Dalziel end J.B. Lagan. Electronics 14. 22-3 (March. 1941). -- This is a report on tests conducted to dotemlne the threshold of muscular non . control of a group of normal men on direct and alternating currents from 5 to 10,000 cycles per second. Tho results givo tho velues of the electrio current ot which muscular paralysis occurs in Junons and range from 10 to 80 milllempe at ordinary frequencies. The results are independent of electrode size, moist on hands, current pathway and previous experience in tho teats. The threshold increases as tho frequency doorcases to very low values and also Increases as - S' it increases from about 200 to 10,000 cycles per second. 453 Training Men in Pole-Top Rosusoitation. E. Miller. Kloc. Light k Power 22/ 56 (February, 1941 fl A now pole-top technique developed by Southern California Edison Company, elil ates some difficulties found In the former method. A series of photographs demonstrates the method of resuscitation.