Text For Citation: 01 Item/Group: 004B Hazard:

29 CFR 1910.1000(a)(2): An employee's exposure to any substance in Table Z-1, the exposure limit of which is not preceded by a "C", shall not exceed the 8-hour Time Weighted Average (TWA) given for that substance any 8-hour work shift of a 40-hour work week: At a facility located at 1007 Townline Road, Wausau, WI 54403: a) On March 11, 2022, an employee at the Spray Dry system Box Filling location was exposed to an 8-hour TWA of 19.9 mg/m^3 for particulate not otherwise regulated (PNOR), approximately 1.3 times the PEL of 15 mg/m^3. The exposure level was derived from a sample collected over a 205 minute sampling period with zero exposure assumed for the unsampled period of 275 minutes. b) On March 11, 2022, an employee at the Spray Dry system Box Filling location, was exposed to an 8-hour TWA of 17.9 mg/m^3 for particulate not otherwise regulated (PNOR), approximately 1.2 times the PEL of 15 mg/m^3. The exposure level was derived from a sample collected over a 264 minute sampling period with zero exposure assumed for the unsampled period of 216 minutes.