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• V • Shaw Environmental, Inc. <br /> 4.- <br /> ��1 N 1326 North Market Boulevard <br /> Y;10f- Sacramento, CA 95834-1912 <br /> �AAA������� AM Telephone: 916.928.3300 <br /> Shaw® Shaw EnVyl`t�tt�tf� 1,Tti� 25 Fax: 916.565.4356 <br /> SAN j k)t C t*t COUNTY October 13, 2006 <br /> ENVI€ O-SiMENTAL <br /> HEALTH UEPARTMENT Project 120221.03000000 <br /> Ms. Lori Duncan <br /> San Joaquin County Environmental <br /> Health Department <br /> 304 East Weber Avenue, 3rd Floor <br /> Stockton, California <br /> Re: Submission of Additional Materials for Don Rodger' Transmission Shop, <br /> 515 West Charter Way, Stockton, California <br /> Dear Ms. Duncan: <br /> On behalf of Don Rodgers Transmission Shop, Shaw Environmental, Inc. (Shaw) is <br /> forwarding a boring log and slug test data to the Report of Winter 2005 — 2006 <br /> Site Investigation dated August 24, 2006 at the Don Rodger's Transmission Shop, <br /> 515 West Charter Way, Stockton, California. The boring log was listed as included in the <br /> report but was inadvertently omitted from the production copies. <br /> Slug tests were performed on MW4RS and MW4RD on May 11th and 12th of 2006. <br /> Static water levels were 18.5 and 19.1 feet below top-of-casings, respectively. Four tests <br /> were performed on monitoring well MW4RS. One of the tests on MW4RS was deleted <br /> because of anomalous result. The mean of the three remaining tests on MW4RS yielded <br /> a hydraulic conductivity of 57 feet/day. Monitoring well MW4RD was tested only once <br /> due to time constraint; the test of that well yielded a hydraulic conductivity of <br /> 194 feet/day. <br /> Please call me at (916) 565-4184 if you have any further questions. <br /> Sincerely, �`, ��✓ �`'\ <br /> SHAW E ONMENTAL, INC. © <br /> Ex <br /> `P <br /> an Wynn sT � <br /> Project Manager 'TF OF CAO ' <br /> Enclosures: <br /> cc: Mr. James Barton, California Regional Water Quality Control Board, <br /> 3443 Routier Road, Suite A, Sacramento, California 95827 <br /> Mr. Don Rodgers, Rodgers Construction & Engineering Co., Inc., <br /> 1807 Navy Drive, PO Box 6885, Stockton, California 95206 <br /> N:\TechPub\120221 Don RodgerALtrASubmission of Addit.Materials.doc <br />