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r <br /> Ohovron <br /> Sita Safety Man <br /> Juno 19, 199i <br /> d. nlry: DO not onttrr the CCYnt ncd pac i►ra2ui.:t: <br /> • the oxygen concentration i, t�c�t�-'� t� i9.5 ani 21'1 t <br /> • thea LEI, iu 1055 than 20%; l a half <br /> PYp and/or FID readings are lb�=r. t0 ppmi0apft;ll taco <br /> faco rncpirator mue-t be word :above ' pp <br /> mi <br /> if the readingo exceed 100 ppm? <br /> respirator nest be war <br /> r,.�.4.4v rvat� The buddy(1) <br /> must be u�aad when the wort. <br /> a. jn: ace. (1) requ ire s the pornon'as head to <br /> . <br /> in rho confined p <br /> be bolow around level; or (2) tlso porsson must work. in $ <br /> manhole or other space in which an exit may not se can"y <br /> accurnible. <br /> TABLE II <br /> AIR MotiXTORING - HREATIIIIIG ZONE <br /> PPE * <br /> Job Task I,�vo1 Instrument frequency <br /> F At start of work and <br /> Soil boring D PID or FID 15 rain to continuously <br /> samples <br /> � At ;start of work and <br /> Monitoring D PID or FID 15 zein to continuously <br /> Well Installation of cork t each <br /> Start-up <br /> Monitoring p j PIA or FID wolf location <br /> well Survey t _ <br /> Start-up of work at each <br /> Monitoring D PID or FID wail. location <br /> well Development <br /> Start-up of work at each <br /> Groundwater D PID or FID well location. <br /> and soil sam ling i <br /> All air monitoring <br /> data must be recorded on the vapor Monitoring Sheet, <br /> Appendix H. <br />