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6.0 AIR MONITORING EQUIPMENT SPECIFICATION Ien-mtmcB cmm ten 1 sop Bs oo <br /> Instrument Tasks Action Levels Frequency Calibration <br /> CGI: All activities 0-10%LEL No expl.'hazard Continuous monitoring. Consult instrument Daily <br /> 10-25%LEL Pot.'expl.hazard frequently to determine if action levels are ex- <br /> >25%LEL Expl.hazard;evacuate or vent ceeded. Record results every hour. <br /> Oi meter: All activities >25.0%Oi Expl.hazard;evacuate or vent Continuous monitoring. Consult instrument Daily <br /> 20.9%Oi Normal Oi frequently to determine if action levels are ex- <br /> <19.5%Or Oi def.';vent or use SCBA ceeded. Record results every hour. <br /> Phomionization De- All activities 0.5 pprna"above bckgmd Level D Monitor every 15 min.and record results every Daily <br /> tector(PID): 0.5-1.04 pprdm above Level C hour. <br /> IINu,11.7 eV bckgmd Stop work;reevaluate .. <br /> >1.0 ppnfb above bckgmd <br /> Visual dust control All activities Visual dust airborne(wet soil Continuous. N/A <br /> or cover stockpiles to control <br /> airborne dust). If visual dust <br /> cannot be controlled,work - - <br /> will be halted. <br /> Note 1: expl = explosion <br /> Note 2: pot=potential <br /> Note 3: def=deficient <br /> Note 4: ab=above background <br /> Note 5: N/A= not applicable <br /> �1 <br />