It wasn't supposed to be like this. Enactment of the Federal Coal Mine Health and Safety Act of 1969 was supposed to sharply cut exposure to coal mine dust. The act set a standard for coal dust exposure (2 milligrams per cubic meter of air), which was as little as 1/4 of the concentrations miners breathed at the time.
The act's passage followed a 23-day unauthorized and rowdy strike in which
Monday, 9 July 2012
Black Lung Makes a Reappearance In American Coal Mines
Posted on 07:20 by Unknown
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