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

29 CFR 1926.1153(g)(1): The employer did not establish and implement a written exposure control plan: a) Parking Garage Fifth Level; On or about December 16, 2024, and at times prior thereto; the employer exposed employees to an airborne concentration of respirable crystalline silica in excess of 50 ?g/m3, calculated as an 8-hour time weight average (TWA) and the employer failed to put in place a written exposure control plan that addressed tasks with silica exposure, administrative controls, engineering controls and personal protective equipment (PPE) controls, and housekeeping methods used to limit employees exposure. An employee using an angle grinder and jackhammer on concrete structural elements was exposed to respirable crystalline silica hazards at 128 micrograms per cubic meter which is approximately 2.564 times the permissible exposure level (PEL) of 50 micrograms per cubic meter. Results were based on a 477-minute sampling period with zero exposure used for the 3 minutes not sampled. b) Parking Garage Fifth Level; On or about December 16, 2024, and at times prior thereto; the employer exposed employees to an airborne concentration of respirable crystalline silica in excess of 50 ?g/m3, calculated as an 8-hour time weight average (TWA) and the employer failed to put in place a written exposure control plan that addressed tasks with silica exposure, administrative controls, engineering controls and personal protective equipment (PPE) controls, and housekeeping methods used to limit employees exposure. An employee using an angle grinder and jackhammer on concrete structural elements was exposed to respirable crystalline silica hazards at 350 micrograms per cubic meter which is approximately 6.913 times the permissible exposure level (PEL) of 50 micrograms per cubic meter. Results were based on a 470-minute sampling period with zero exposure used for the 10 minutes not sampled.