Report copyright - Page 2 / 12 1095 SDS_Eng.pdf · Component ACGIH TLV OSHA PEL NIOSH IDLH CRYSTALLINE SILICA (QUARTZ) 14808-60-7 ... TWA: 50 ppm STEL: 150 ppm TWA: 200 ppm TWA: 950 mg/m3 1500 ppm P-CHLOROBENZOTRIFLUORIDE
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