novel regulations designed to protect miners from noise-induced hearing los issued on the federal Mine Safety and Health Administration (MSHA).

novel regulations designed to protect miners from noise-induced hearing los issued on the federal Mine Safety and Health Administration (MSHA), an agency of the U Department of Labor, are now in event Enforcement of the noise regulations began upon Oct. 1.

Alexis M Herman, secretary of the U Department of Labor, said that approximately 36000 (about 13% of the nation's miners) "were at risk of hearing los if they were not guarded With the new masterships as many as two-thirds of recently made known cases can be prevented. "J Davitt McAteer, Assistant Secretary tot Mine Safety

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