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

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, unless the employer assesses and limits the exposure of the employee to respirable crystalline silica in accordance with paragraph (d) of this section: At a construction site located at 201 W Capital Ave, Jefferson City, MO: Employees were engaged in jack hammering, cutting, and grinding into limestone. Wet methods or dust/vacuum collection systems were not in use. Employees were exposed to respiratory hazards from the accumulation of dust when the vacuums systems or wet methods were not utilized with all equipment during the course of the project while working from the enclosed scaffold. (a) On or about February 4, 2019, an employee working on the exterior of the building was exposed to a 8 hour time weighted average (TWA) level of 730 mcg/m, which is 14.6 times the OSHA permissible exposure level (PEL) of 50 mcg/m. (b) On or about February 4, 2019, an employee working on the exterior of the building was exposed to a 8 hour time weighted average (TWA) level of 430 mcg/m, which is 8.6 times the OSHA permissible exposure level (PEL) of 50 mcg/m. (c) On or about February 4, 2019, an employee working on the exterior of the building was exposed to a 8 hour time weighted average (TWA) level of 360 mcg/m, which is 7.2 times the OSHA permissible exposure level (PEL) of 50 mcg/m. (d) On or about February 4, 2019, an employee working on the exterior of the building was exposed to a 8 hour time weighted average (TWA) level of 150 mcg/m, which is 3.0 times the OSHA permissible exposure level (PEL) of 50 mcg/m