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HATIOFAL INSTITUTE OF HEALTH. (92) 
Preliminary recommendations to fumi gators using methyl bromide or 
mixtures containing methyl bromide as a fumigant. U. S. Pub. 
Health Serv. , Natl. Inst". Health, Hay 16, 1938, 1 p. 
[processed.] 
(1) Avoid bre athing ai r containing methyl bromide. 
(2) On come lotion of fumigation, provide thorough ventila- 
tion for cars, rooms, or buildings before entering. 
T^T "When necessary to enter spaces containing methyl bro- 
mide, use a gas mash provided with a canister giving protection 
agains t organic vapors, or a positive pressure hose mask. 
(4) Avoid spilli ng methyl bro mide. Get to fresh a ir im med- 
iately in case of spillage. Remove any clothing in conta ct v jith 
skin which has become impregnated with the liquid. 
(~5) Post war ning si g ns notifyin g that methyl bromide is be- 
ing used and that the gas is toxic. 
(6) Store containers of methyl bromide in a cool, we ll- venti- 
lated place, outside inhabited buildings. Avoid leakage b y seeing 
that valves on cylinders are tightly closed. 
HUCKOLLS, A. H. (93) 
Comparative life, fire and explosion hazards of common refriger- 
ants. Underwriters Laboratories, Misc. Hazards Ho. 2375, 118 pp, 
1933. 
Methyl bromide was among the materials investigated. Toxic- 
ity was determined with concentrations of 0.5-1.0 percent and 
2-2.5 percent by volume (with higher concentration in some cases) 
by exposing guinea pigs for periods of 5 minutes to 2 hours. The 
effect of decomposition of the gas mixtures by heat from gas and 
oil flames and electric heating units was also determined, and 
analyses were made of the decomposition products. Investigation 
of fire and explosion hazards included determination of ignition 
temperature, limits of flammability or explosibility, explosion 
pressure, as well as time tests and speed-of-flame-propagation 
tests. The apparatus used and results of tests applied are de- 
scribed in detail. 
OETTIHGEH, W. F. von (94) 
The ho.logenatcd hydrocarbons: Their toxicity and potential dan- 
gers. Jour. Indus. Hyg. and Toxicol. 19: 349-448. 1937. 
The literature on the toxicity of methyl bromide is reviewed. 
OPPEFHANH, K. (95) 
Mcthylbromid-Vcrgiftungon, berufliche. Sarainl . Vorgiftungsfallen 
4 (AM;. A): 157-160. 1933. 
Two nonfatal cases of methyl bromide poisoning are described 
in which there wore long symptom-free intervals. Brain irritation 
persisted for a long poriod in one case, and psychic debility in 
the other. 
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