ConstructionHexavalent Chromium in Construction (1926.1126): PEL, Welding & Required Monitoring
OSHA's construction hexavalent chromium standard 29 CFR 1926.1126 sets a 5 µg/m³ PEL and a 2.5 µg/m³ action level. OSHA names welding on stainless steel as a major exposure source.