A group of 300 scientists, physicians and public health experts are urging President Obama to direct his Office of Management and Budget (OMB) to complete its review of a proposed Labor Department health standard on the carcinogen crystallline silica. OMB's Office of Information and Regulatory Affairs (OIRA) has been reviewing the proposed rule for nearly a year, although the Executive Order (EO) giving OIRA authority for such review sets a four-month maximum time limit.
The signatories on the letter to President Obama, many of whom are members of the Union of Concerned Scientists or the…