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SITE-SPECIFIC HEALTH AND SAFETY PLAN FOR WELL INSTALLATIONS <br />Potential Airborne Concerns <br />May 4, 2017 <br />CHEMICAL <br />(OR CLASS) <br />MONITORING <br />EQUIENT TASK <br />MONITORING <br />FREQUENCY/ <br />LOCATION <br />LEVEL FOR <br />RESPIRATOR USE <br />LEVEL FOR <br />WORK <br />STOPPAGE <br />collect a Draeger tube or use <br />UltraRae for benzene at a <br />frequency of 1 or 2 tubes per hour. <br />If Draeger tubes will not be use on <br />the project, please remove <br />references, <br />DON RESPIRATOR, <br />At donning respirator resp <br />level, determine cause of <br />exposure and implement <br />engineering controls to <br />reduce concentrations. <br />usage of <br />engineering <br />controls to <br />attempt to <br />never reach the <br />stop work level. <br />Oxygen/LEL Combustible Gas Meter Disruption of soil. <br />Disconnecting and <br />removal of piping. <br />Removal of the tank. <br />Removal of <br />contaminated soil. <br />From start of disruption of potentially <br />contaminated soil through removal <br />of any contaminated soil. <br /><19.5% use supplied air. > 10% LEL <br />Total particulate MIE Data Ram Soil disruption during <br />excavation, <br />Continuous. Move the device <br />around the boundaries of the <br />exclusion zone. <br />10 mg/m3 15 mg/m3 <br />PCBs Personal air sampling <br />pumps using NIOSH <br />Method 5503 consisting <br />of an SKC 226-39 tube <br />and 13mm glass <br />prefilter <br />During first two days <br />soil disruption to <br />understand the level <br />of exposure. <br />Collect 4 samples for each of two <br />days plus one blank for QC <br />0.5 ppm. Analysis should <br />be requested with <br />prompt turnaround. <br />2 ppm <br />20