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08/20/2003 14 42 2094671118 AGE STOCKTON PAGE 16/16 <br /> . 10 March 2003 <br /> AGE-NC P eject No 95-0103 <br /> Page 2 of 2 <br /> 4 AGE will evaluate the performance of the ground water extraction system at the end of first <br /> quarter 2003 <br /> 5 Mr Knoll indicted that the ground flow direction at the site could not have been northeast <br /> at the site and the groundwater flow direction diagram presented on maps maybe inaccurate <br /> Additionally, wells MW-1 was to be re-sampled and wells MW-2 and MW-6 were to be <br /> removed from the sampling schedule <br /> 6 My Henderson advised that a mass calculation of the pre-ground water extraction process <br /> should be generated, allow for a mass percentage removal-analysis <br /> 7 Mrs Lagono indicted a closure-appeal to the State Water Resources Control Board could <br /> occur after the EHD approves closure and the Regional Water Quality Control Board - <br /> Central Valley Region denies closure <br /> 8 Mir Knoll indicted that continued quarterly ground water mowton g and <br /> operation/mamtenance of the ground water extraction and treatment system was required <br /> If you have any questions or require further information,please contact our office at(209)467-1006 <br /> Sincerely, <br /> Advanced GeoEnviron mental,Inc. <br /> William R Little <br /> Project Geologist <br /> Enclosures <br /> cc Mr Russell Chapin <br /> Mr James Barton,Regional Water Quality Control Board - Central Valley Region <br /> Ad*'bncedGftEnvironnmrtal,inn <br />