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R604 :UPDATE 17 4-27-1993 <br /> 4 Obtain depth to ground water and vacuum influence <br /> readings to evaluate the effects of vapor recovery <br /> 5 Perform monthly monitoring and sampling of the vapor <br /> stream using the WEGE portable lab FID-GC & <br /> confirmation for benzene and toluene with the PID 10 S <br /> 50 chromatograph and include the results in a monthly <br /> update status report <br /> 6 Schedule and drill a confirmation soil sample boring <br /> west of SB9 to verify the removal of gasoline range <br /> hydrocarbons from the soil via vapor extraction. <br /> 7 . If field screening indicates that the soil produced <br /> from the confirmation sample boring is free of gasoline <br /> range hydrocarbons, obtain permits to destroy the <br /> existing vapor recovery wells and selected ground water <br /> monitoring wells <br /> HEALTH AND SAFETY <br /> This site has been classified as Class D personal protection <br /> Hard hats, gloves, steel toed boots and ear protection are <br /> required to be worn In the event that field screening indicates <br /> that volatile organic compounds (VOC' s) exists at the site, all <br /> personnel shall wear appropriate half face cartridge respirator <br />. with the black organic compound cartridges and particle filters <br /> All personnel must carry their identification card showing that <br /> they are current with OSHA/SARA training. <br /> i <br /> TIME FRAME <br /> April 15, 1993 Monthly monitoring. <br /> May, 1993 Confirmation soil sample <br /> boring <br /> LIMITATIONS <br /> This report is based upon the following. <br /> A The observations of field personnel. <br /> B The results of laboratory analyses performed by a state <br /> certified laboratory <br /> page 7 <br />