NC state-specific standard: 13 NCAC 07F .0203 - Occupational Health and Environmental Controls, Nonionizing Radiation Standard eliminates Class I lasers from coverage under 29 CFR 1926.54, Nonionizing radiation and removes removes "....properly maintained unmodified Class 1 equipment." and replaces it with "...unmodified Class 1 equipment maintained in accordance with the manufacturer's recommendations." from 1926.54 - Nonionizing Radiation..