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10 March 2003 <br /> AGE-NC Project 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 ground water flow direction diagram presented on maps may be 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. Mr. 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. Lagorio 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. Mr. Knoll indicted that continued quarterly ground water monitoring and <br /> operation/maintenance 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 /> ��_ Je O�U_. <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 /> Advanced GeoEnvironmental,Inc. <br />