Laserfiche WebLink
R604 :UPDATE 25 12-29-1993 <br /> RECOMMENDATIONS <br /> 1 Discontinue vapor recovery on MW5 and the newly <br /> installed vadose wells VSB3 , VSB5, VSB9 and VSB11 at <br /> this time . <br /> 2 . Two more quarterly ground water sampling to varify <br /> this site should warrant closure and to confirm that <br /> the current Primary MCLS for water quality have been <br /> met . <br /> 3 . One more monthly monitoring and sampling of the vapor <br /> stream using the WEGE portable lab FID-GC and <br /> confirmation for benzene and toluene with the PID 10s50 <br /> chromatograph and include the results in a monthly <br /> update status report, the turn the vapor extraction <br /> system off <br /> 4 . Confirmation boring will be performed and coordinated <br /> with turning off and removing the vapor extraction <br /> system (VES) . <br /> 5 . Arrange a meeting with RWQCB to finalize closure <br /> parameters <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 /> to be worn. In the event that field screening indicates that <br /> 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 /> TIME FRAME <br /> December 30, 1993 Final depth to ground water, vacuum <br /> influence, air sampling VES shut <br /> down and quaterly ground water <br /> sampling. <br /> January, 1994 Confirmation soil sample borings, <br /> closure of site <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 /> page 7 <br />