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i <br /> R604 :UPDATE 16 2-23-1993 <br /> 4 . Obtain depth to ground water and vacuum influencer ' <br /> readings to evaluate the effects of vapor : recovery. <br /> 5 . Perform monthly monitoring and sampling' of the vapor'!k <br /> stream 'using , the WEGE portable lab FID-GC &;� <br /> confirmation for benzene and toluene with ;the PID 10 Sp <br /> 50 chrortiatograph and include the results in a monthly <br /> update status report . G <br /> i <br /> HEALTH AND SAFETY <br /> a • <br /> This site has been classified as Class D personal protection. <br /> ' Hard hats, gloves,;! steel toed boots and ear protection are i <br /> required to be worn. In the event that field screening indicatesi I <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. S <br /> TIME FRAME k <br /> March, 1993 Confirmation soil sample <br /> boring and Quarterly ground; <br /> r <br /> water sampling— � <br /> I i <br /> i LIMITATIONS <br /> This report is based upon the following: k <br /> A. The observations of field personnel . Py <br /> S. The results of laboratory analyses performed by a state', <br /> certified laboratory. 7p <br /> C. Referenced documents . <br /> D. Our understanding of the regulations of`= the State of <br /> California, San Joaquin County and the City of. <br /> Stockton. �i d <br /> I q <br /> The services performed by Western Geo-Engineers, a corporation, ! I <br /> under California Registered Geologist #3037 and/or ContractorsI <br /> License ##513857, have been conducted in a manner consistent with! <br /> the level of care '{and skill ordinarily exercised by members of! <br /> our profession currently practicing under similar conditions inl <br /> the State of California and the Stockton area. Please note that! ' <br /> the contamination of soil and/or ground water must be reported to; k <br /> the appropriate age'nci:es in a timely manner. No other warranty, i <br /> expressed or implied, is made . <br /> page 7 <br /> k <br /> i <br />