Federal OSHA is proposing three separate standards to cover exposure to hexavalent chromium (CrVI) in the general industry, construction and shipyard sectors. The notice of proposed rulemaking (NPRM) was published in the Oct. 4, 2004, Federal Register.OSHA proposes lowering its permissible exposure limit (PEL) for hexavalent chromium and all its compounds from 52 to one microgram of CrVI per cubic meter of air as an 8-hour time weighted average.The new rule also would include provis
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