Text For Citation: 01 Item/Group: 001B Hazard:

29 CFR 1910.1000(e): Feasible administrative or engineering controls were not determined and implemented to achieve compliance with the limits prescribed in 29 CFR 1910.1000(a) through (d): On or about September 12th, 2025, feasible administrative or engineering controls were not implemented to maintain employee(s)' exposures to Carbon Monoxide (CO) at or below the OSHA Permissible Exposure Level of 50 parts per million (ppm). Employees were exposed to CO while pressure washing and cleaning of the basement of a residential home under construction, using a gasoline-fueled pressure washer. a. An employee using a gasoline powered spray washer was exposed to an 8-hour Carbon Monoxide TWA of 215.4 ppm. This value is 4.31 times the OSHA PEL of 50 ppm and the occupational exposure occurred over 210 minutes. b. An employee using a gasoline powered spray washer was exposed to an 8-hour Carbon Monoxide TWA of 344.0 ppm. This value is 6.88 times the OSHA PEL of 50 ppm and the occupational exposure occurred over 210 minutes. Abatement documentation is required for this item in accordance with the requirements of 29 CFR 1903.19(d).