Agency Amends Silica Rule; Existing Exposure Limits Pose ‘Significant Risk’

Mealey's (April 4, 2016, 9:42 AM EDT) -- WASHINGTON, D.C. — The U.S. Occupational Safety and Health Administration on March 25 announced a final rule amending its existing standards for occupational exposure to respirable crystalline silica after the agency said it realized that employees exposed to respirable crystalline silica at the previous permissible exposure limits “face a significant risk of material impairment to their health.”

The rule will become effective June 23.

(Silica rule available. Document #15-160405-026X.)

Exposure

The evidence in the record for this rulemaking indicates that workers exposed to respirable crystalline silica...
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