Nitric Acid

CAS RN: 7697-37-2

OSHA Standards

Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 2 ppm (5 mg/cu m).
Vacated 1989 OSHA PEL TWA 2 ppm (5 mg/cu m); STEL 4 ppm (10 mg/cu m) is still enforced in some states.
Find more information on this substance at: PubChem, PubMed