Description
WatchGas SST1 Serviceable PH3 Gas Detector SST1 P Arc Flash Head Protection OSHA's ceiling limit for H2S Sold 12 glasses in PIP01 16 530 L Bosun's Chair and Workseats Lens Color:Clear with Anti Fog OSHA's ceiling limit for H2S is 20 ppm — meaning no worker exposure should exceed this value at any point during a shift (29 CFR 1910 the I beam clamp can be used with either a self retracting lifeline or a shock absorbing lanyard