Chlorine dioxide****!!!!**** {Summary with well-divided reference sections} View osha standards for chlorine dioxide in WISER. "Vacated 1989 OSHA PEL TWA 0.1 ppm (0.3 mg/cu m); STEL 0.3 ppm (0.9 mg/cu m) is still enforced in some states."#Registration & Regulation#Air#data·webwiser.nlm.nih.gov·Oct 19, 2021Chlorine dioxide