MSHA Readies Final Action On Long-Sought Silica Dust Standard Update

The Mine Safety and Health Administration’s (MSHA) final rule updating 50-year-old standards for respirable crystalline silica (RCS) has cleared White House Office of Management and Budget (OMB) review, keeping it on track for the agency’s planned April release following years of pressure by unions and their allies. OMB completed its review of the mining RCS rule on March 27, according to its website, approving MSHA to sign and release its new policy at any time. There is no binding deadline...