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

29 CFR 1926.1153(c)(1): 29 CFR 1926.1153(c)(1): For each employee engaged in a task identified on Table 1, the employer did not fully and properly implement the engineering controls, work practices, and respiratory protection specified for the task on Table 1. a) Parking Garage Fifth Level; On or about December 16, 2024, and at times prior thereto; the employer did not fully implement the requirements under table 1 while jackhammering/chipping and grinding when used indoors or in an enclosed area for work in excess of 4 hours. 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 did not fully implement the requirements under table 1 while jackhammering/chipping and grinding when used indoors or in an enclosed area for work in excess of 4 hours. 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.