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v — <br /> a <br /> i <br /> t NOUN <br /> IMW <br /> b. Site perimeter shall also be monitored on 30 minute intervals. <br /> Monitoring frequency would be increased by the site manager if <br /> conditions approach alarm level. <br /> SITE PZRSONNEL <br /> Breathing zone vapor concentrations at the borehole greater than the <br /> Permissible Exposure Limits (PEGS) require site personnel to use a respirator <br /> with organic vapor cartridges and goggles. <br /> Breathing zone vapor concentrations at the borehole that approach the maximum <br /> element capacity of the organic vapor cartridge requires site manager to <br /> monitor s'te perimeter (concentrating in the down wind direction). <br /> Breathing zone vapor concentrations at the borehole that exceed the maximum <br /> element capacity of L•he organic vapor cartridge requires site activities to be <br /> stopped until concentrations decrease. Site manager should continuously <br /> monitor site perimeter. <br /> SITE PERIMETER <br /> Breathing zone concentrations at site perimeter less than the PEL, site <br /> manager shall monitor on 30 minute intervals unless notified b <br /> : personnel of elevated readings. Y project <br /> Breathing zone concentrations at the site perimeter greater than the PEL, sits <br /> manager shall continuously monitor conditions on site boundary concentrating <br /> in the down wind direction. <br /> Breathing zone concentrations at site perimeter greater than the PEL, site <br /> manager shall continuously monitor conditions. If the PSL continues to he <br /> exceeded for 15 minutes, drilling activities shall be stopped. J <br /> Breathing zone concentrations at site perimeter greater than the PEL, site <br /> manager shall immediately stop drilling and clear site personnel. Appropriate <br /> regulatory agencies should be contacted (see below). Site manager shall <br /> f' e-ontinue to monitor conditions until levels are reduced to background <br /> fr concentrations. <br /> r <br /> CONDOR <br />