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00� <br /> Lisa Marinaro 8 August 1989 <br /> Chevron U.S.A. Inc. Page 2 <br /> Regional Water Quality Control Board, -Is <br /> ssnetld -be : installed t6:mor±itar. potefitlal of s � 'n �eMef� and to <br /> m'on+ior' changes in oxine.r <br /> tahk,.-.1 ld '' EA recommends that three wells be installed to a <br /> depth of 60-65 feet near the existing wells EA2, MW1 , and MW3 <br /> ( Figure 1 ) . Wells EA2, MW1 , and MW3 should be properly <br /> abandoned. <br /> EA would be pleased to install the three wells as indicated. <br /> Below is an estimate for the work, which would include a work <br /> plan and permit submitted to San Joaquin County Health, the <br /> installation of three wells, a round of groundwater sampling, and <br /> the preparation of a report according to the Chevron scope of <br /> work. <br /> Subcontractor <br /> Driller $ 11 ,250 <br /> Analytical 3,900 <br /> Subtotal Subcontractor $ 15, 150 <br /> EA Labor $ 8, 500 <br /> EA Usage 1 ,850 <br /> Other Direct Costs 150 <br /> Total InsL:allation Three Wells $25,700 <br /> Again, EA would be pleased to do this work. If we can provide <br /> any additional explanation of the quarterly sampling or if you <br /> would like to authorize the additional work as recommended, <br /> please call me or Jan. <br /> fSincerely <br /> I <br /> Jan StepeK, R.,G. <br /> Terry R. Winsor <br /> Manager, UST Services <br /> TRW:cam/ds <br /> Enclosures <br /> i <br />