CFR 125 - Air Contaminants

On July 27, 1993, Federal OSHA promulgated a correction to Subpart Z, Toxic and Hazardous Substances, of the General Industry standards (Federal Register). This correction is to Table Z-3 Mineral Dust at 29 CFR 1910.1000 - Air Contaminants. This correction to 29 CFR 1910, Subpart Z was adopted verbatim in North Carolina by the Commissioner of Labor with an effective date of December 31, 1993. 

Additional resources and information can be found on the safety and health topics page for Chemical Hazards and Toxic Substances and Ventilation. Also reference the FOM Chapter 15 - Industrial Hygiene Compliance, CFR 145A - Air Contaminants and CFR 117 - Air Contaminants.