1988 OSHA PEL Project - Chlorine Dioxide | NIOSH | CDC
**** {for Historical reference} "OSHA comments from the January 19, 1989 Final Rule on Air Contaminants Project extracted from 54FR2332 et. seq. This rule was remanded by the U.S. Circuit Court of Appeals and the limits are not currently in force." Rats exposed to 0.1-ppm concentrations of chlorine dioxide for 10 weeks at five hours daily showed no adverse effects from exposures. Other data in animals are not available."