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Ammonia

CAS RN: 7664-41-7

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OSHA Standards

Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 50 ppm (35 mg/cu m).

29 CFR 1910.1000 (USDOL); U.S. National Archives and Records Administration's Electronic Code of Federal Regulations. Available from, as of June 27, 2016: <http://www.ecfr.gov/>.

Vacated 1989 OSHA PEL STEL 35 ppm (27 mg/cu m) is still enforced in some states.

NIOSH. NIOSH Pocket Guide to Chemical Hazards. DHHS (NIOSH) Publication No. 97-140. Washington, D.C. U.S. Government Printing Office, 1997. 359.

Find more information on this substance at: PubChem, PubMed

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