Text For Citation: 01 Item/Group: 002B Hazard:

29 CFR 1910.1053(f)(1): The employer did not use engineering and work practice controls to reduce and maintain employee exposure to respirable crystalline silica to or below the PEL, unless the employer can demonstrate that such controls are not feasible: a. On or about October 5, 2023, in the facility, an employee performing polishing operations on quartz was exposed to an 8-hour time weighted average (TWA) of 55 micrograms per meter cubed of air (ug/m3) of Respirable Crystalline Silica (RCS). The employer failed to implement effective engineering or work practice controls to reduce employee exposure to RCS below the PEL.