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Data Collection Table Zoo Med IH Dust Sampling Results
Data Collection Table- Zoo Med Laboratories-Dust Sampling Results Date: 11/7/2024 Description Time (min) Respirable Dust/Silica Concentration Mg/m3 Total Dust Concentration Mg/m3 Laboratory Sample # 1-Total Dust Employee #1-Rock Room TWA Exposure Limits * 110 0.85 Laboratory Sample # 4-Total Dust Employee #4-Bark Room TWA Exposure Limits * 122 0.03 Laboratory Sample # 2-Resp Dust Employee # 1Rock Room TWA Exposure Limits * 257 0.04 Laboratory Sample # 2-Silica Employee #1 Rock Room TWA Exposure Limits * 257 5.3ug/m3-Quartz <5.3 Cristobalite <39 Tridymite <5.3 RSS Laboratory Sample #5-Resp Dust Employee #5-Bark Room 275 <0.18 Laboratory Sample #6-Resp Dust Employee #6-Mulch Room #2 242 0.31 Laboratory Sample #7-Resp Dust Employee #7-Powder Room 206 0.08 Laboratory Sample #8-Resp Dust Employee #0Vita Sand Room 204 0.02 Laboratory Sample #9-Resp Dust Employee #9-Mulch Room #2 200 0.08 Laboratory Sample #5-Resp Dust Employee #10-Bark Room 196 0.10 ACGIH TLV for Respirable Dust 3.0 mg/m3 10mg/m3 *Cal OSHA Crystalline Silica, Quartz, Cristobalite & Tridymite (with Respirable Dust) ACGIH Crystaline Silica TWA 50 ug/m3 25 ug/m3 Cal OSHA- Total Particulate and Respirable Dust. https://www.dir.ca.gov/title8/ac1.pdf 5 Mg/m3 10mg/m3 The 8-hr TWA was calculated assuming the exposure during the non-sampled period was the same as during the sampled period.