<< Back to Chemical Sampling Information

Chemical Sampling Information (CSI)
Search (use word(s)/phrase)
Table of Contents
By Name
A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z

By CAS Number
Quick Links

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) and Arsenic and Arsenic Compounds [523 KB PDF, 7 pages]

Additional Information:

  • Occupational Health Guidelines for Chemical Hazards. US Department of Health and Human Services (DHHS), National Institute for Occupational Safety and Health (NIOSH) Publication No. 81-123, (1981, January). Provides a table of contents of guidelines for many hazardous chemicals. The files provide technical chemical information, including chemical and physical properties, health effects, exposure limits, and recommendations for medical monitoring, personal protective equipment (PPE), and control procedures.

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

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

** All Trademarks are the property of their respective owners.


Accessibility Assistance: Contact the OSHA Directorate of Technical Support and Emergency Management at (202) 693-2300 for assistance accessing PDF materials.