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Chemical Sampling Information (CSI)
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General Description

Synonyms: organoarsenicals; arsenicals

OSHA IMIS Code Number: A202

Chemical Abstracts Service (CAS) Registry Number: 7440-38-2

NIOSH Pocket Guide to Chemical Hazards, Arsenic (organic compounds, as As): chemical description, physical properties, potentially hazardous incompatibilities, and more

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 29 CFR 1910.1000 Table Z-1 -- 0.5 mg/m3 TWA

Construction Industry: 29 CFR 1926.55 Appendix A -- 0.5 mg/m3 TWA

Maritime: 29 CFR 1915.1000 -- 0.5 mg/m3 TWA

Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC) carcinogenic classification: Group 1, carcinogenic to humans (Arsenic in drinking-water) [58 KB PDF, 19 pages], Arsenic and Arsenic Compounds [523 KB PDF, 7 pages] and Arsenic and Arsenic Compounds [28 KB PDF, 5 pages]

NIOSH/OSHA/DOE Health Guideline: Arsenic

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

  • note: Call SLTC before sampling. Specialized equipment requried for analysis of these samples cited in NIOSH Method 5022 is presently not available at SLTC.

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