Word: mercaptan
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Dates: during 1930-1939
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...Granite Mountain Shaft, Butte, Mont., where 13 years ago 162 men lost their lives in a fire because warning was not spread quickly enough. At first pleasant odors were used but were not successful. Workmen did not run when they .sniffed violets or roses. But when experimenters released butyl mercaptan which smells like garlic, miners dropped their tools at once, raced for the exit. The stench safety method has been adopted by the American Standards Association which suggests to mine operators how best to conserve their employes' lives. Although the U.S. Bureau of Mines cannot force operators to obey American...