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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 0686
IMIS Code history: used prior to 05/30/2006 and the Chromium (VI) standard

For more General Description information see Chromium (VI) (Hexavalent Chromium)
Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: 29 CFR 1910.1000 Z-2 Table -- 0.1 mg/m3 Ceiling

Construction Industry: 29 CFR 1926.55 Appendix A -- 0.1 mg/m3 TWA

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

See Chromium (VI) (Hexavalent Chromium)

Monitoring Methods used by OSHA

See Chromium (VI) (Hexavalent Chromium)

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Page last updated: 06/30/2006