Sources: Occupational Safety and Health Administration; CP staff
The public comment period for OSHA’s Notice of Proposed Rulemaking on Occupational Exposure to Crystalline Silica continues through January 27, following the agency’s decision to extend an original December 11 deadline.
Read MoreSources: Occupational Safety and Health Administration; CP staff
In Notice of Proposed Rulemaking (NPRM) for Occupational Exposure to Respirable Crystalline Silica, OSHA outlines reduction of permissible exposure limits (PEL) for quartz from current general industry and construction thresholds—100 and 250 micrograms per cubic meter of air (μg/m3) expressed in eight-hour weighted averages, respectively—to a uniform 50 μg/m3.
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