US regulators finalize new silica limits for construction, other industries
Capping a decades-long effort, U.S. workplace regulators on Thursday, March 24, announced a final rule to boost protections against occupational exposure to crystalline silica, a carcinogenic dust ubiquitous in construction, foundries and fracking. Some industry groups have vowed to fight it in court and in the U.S. Congress, calling it unnecessary and warning that compliance will cost billions of dollars.
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