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FROM Ground Zero Analysis PHONE NO. 209 838 9883 Jun. 2E _ . <br /> GROUND 7"0 ANALYSIS, INC. <br /> 1714 Main Street <br /> Fscalon, California 95320-1927 <br /> Telephone: (209) 838-9085 <br /> Facsimile: (209)838-9883 ENVIRONMENTAL HEALTH DIVISION <br /> 304 E. Weber Ave. Third Floor <br /> P. O. Box 388, Stockton CA 95201-0388 <br /> June 8, 2000 Approved [R' <br /> Denied ❑ <br /> Conditions <br /> Mr. Ron Rowe Date lo•i,_i-1Dfl by Va_jG - <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 Fast Weber Avenue, 3rd Floor <br /> Stockton, CA 95202 <br /> Subject: Proposed Vapor Well Rehabilitation <br /> Knowles/Roek, 102 S. Wilson Way, Stockton, CA <br /> Dear Mr. Rowe: <br /> We are writing to propose the rehabilitation of vapor wells VW2, VW3 and VW6. Recent <br /> measurements show that they have silted up significantly (see attached table). The screened <br /> intervals in the wells make them suitable for use as monitoring wells. In order to facilitate their <br /> use for this purpose and to allow for greater soil vapor flow if brought back on line we propose <br /> to rehabilitate the wells by removing the silt. <br /> The attached work request describes the proposed methodology. We hope to conduct this work <br /> as soon as we receive your approval. If you have any questions or comments please contact <br /> me at your earliest convenience. <br /> Sincerely, <br /> Ground Zero Analysisnc. <br /> Gregory P. Stahl, RG 5023 <br /> CA Certified Hydrogeologist No. 264 <br /> Attachments <br /> mai cnwad��Pvlw .t <br />