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Chemical Sampling Information: |
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| Chromic Acid & Chromates (as CrO3) |
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General Description
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-2 Table -- 0.1 mg/m3 Ceiling
OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 0.1 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 0.1 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): Metal and Cr(III) cmpds, as Cr, 0.5 mg/m3 TWA, Appendix A4 - Not Classifiable as a Human Carcinogen; Water-Soluble Cr(VI) cmpds, as Cr, 0.05 mg/m3 TWA, Appendix A1 - Confirmed Human Carcinogen, BEI; Insoluble Cr(VI) cmpds, as Cr, 0.01 mg/m3 TWA, Appendix A1 - Confirmed Human Carcinogen; Strontium Chromate, as Cr, 0.0005 mg/m3 TWA, Appendix A2 - Suspected Human Carcinogen
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.001 mg Cr(VI)/m3 10-hr TWA; Carcinogenic; Appendix A - NIOSH Potential Occupational Carcinogens; Appendix C - Supplementary Exposure Limits
Health Factors
Monitoring Methods used by OSHA
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