Text For Citation: 01 Item/Group: 006C Hazard:

29 CFR 1910.1053(g)(1)(iv): Respiratory protection was not provided during periods when the employee was in a regulated area: (a) Reclaim area: On or about February 11, 2021, and at times prior thereto, the employer exposed an employee to respiratory hazards from respirable crystalline silica, in that the employee was required to wear a half-mask negative pressure respirator with chemical cartridges. The employee was exposed to respirable crystalline silica at 97 micrograms per cubic meter of air while working at the sand reclaim area. (b) Reclaim area: On or about February 11, 2021, and at times prior thereto, the employer exposed an employee to respiratory hazards from respirable crystalline silica, in that the employee was required to wear a half-mask negative pressure respirator with chemical cartridges. The employee was exposed to respirable crystalline silica at 110 micrograms per cubic meter of air while working at the sand reclaim area.