Construction interests compound court challenges to OSHA silica rule

Associated Builders & Contractors, Associated General Contractors of America American Road & Transportation Builders Association and four peer groups plan to join eight state affiliates petitioning the U.S. Court of Appeals for the Fifth Circuit for review of the Occupational Safety and Health Administration’s final rule on crystalline silica exposure. Released in late March, it sets a threshold of 50-micrograms per cubic meter of air, averaged over an eight-hour shift, compared to a longstanding 250-microgram level for the construction industry.

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