Report copyright - Sikaflex® 221 - Sika Corporation U.S. · 125 ppm OSHA Z-1 TWA 100 ppm 435 mg/m3 OSHA P0 TWA 100 ppm 435 mg/m3 OSHA P0 STEL 125 ppm 545 mg/m3 CAL PEL PEL 5 ppm 22 mg/m3 CAL PEL STEL
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