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CHEMICAL MONITORING TASK MONITORING LEVEL FOR <br /> (OR CLASS) EQUIPMENT FREQUENCY/ LEVEL FOR WORK <br /> LOCATION RESPIRATOR USE STOPPAGE <br /> Oxygen/LEL Disruption of soil. From start of disruption of potentially < 19.5%use supplied > 10%LEL <br /> Combustible Gas Meter Disconnecting and contaminated soil through removal of any air. <br /> removal of piping. contaminated soil. <br /> Removal of the • <br /> tank. <br /> Removal of <br /> contaminated soil. <br /> Total particulate Soil disruption Continuous. Move the device around the 10 mg/m3 15 mg/m3 <br /> MIE Data Ram during excavation. boundaries of the exclusion zone. <br /> PCBs Personal air sampling During fust two Collect 4 samples for each of two days plus 0.5 ppm. Analysis 2 ppm <br /> pumps using NIOSH disruption <br /> soil one blank for QC should be requested with <br /> disruption to prompt turnaround. <br /> Method 5503 consisting <br /> of an SKC 22639 tube understand the <br /> and 13=glass prefilter level of exposure. <br /> Temperature All tasks when Operate meter continuously during work at Not Applicable Take breaks in <br /> WBGT Meter temperature is> temperature>95°F accordance with <br /> 95°F. ACGIH TLV • ' <br /> guidance. <br /> SECOR International Incorporated 32 Generic HASP <br />