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ENVIRONMENTAL HEALTH DEPARTMENT <br /> PaUJJV SAN JOAQUIN COUNTY <br /> �G Unit Supervisors <br /> -� Donna K Heran,R E H S Third Floor Carl Borgman,It E H S <br /> Director 304 East Weber Avenue, <br /> S Mike Huggins,R E H S,R D { <br /> Al Olsen,R E H S Stockton, California 95202--2708 Douglas W Wilson,R E H S <br /> ` 0 1P • Program Manager Telephone (209) 468-3420 Margaret Lagono,R E H S <br /> 4�[FO1a Laurie A Cotulla,R E H S Robert McClellon,R E H S <br /> Program Manager Fax (209) 464-0138 Mark Barcellos R E H S <br /> PAUL SUPPLE MAY 2 9 2003 <br /> ATLANTIC RICHFIELD COMPANY <br /> PO BOX 6549 <br /> MORAGA CA 94570 <br /> RE Arco Station#2093 Site Code 1416 <br /> 3425 Tracy Blvd <br /> Tracy, <br /> San Joaquin County Environmental Health Department(EHD)has reviewed the Vertical Flow <br /> Assessment Work Plan, dated April 24,2003, as submitted by URS Corp on April 28,2003, and <br /> has the following comments <br /> Although not required by EHD, the work plan (WP) is approved The WP is to conduct a depth- <br /> discrete RoVision survey of wells ATR-2 and TEX-1 URS will also perform down-hole camera <br /> surveys of wells ATR-7 and ATR-8 No well/boring permit is required and EHD and <br /> CVRWQCB staff plan to conduct required field inspections <br /> ARCO well TEX-1 has not been sampled since 1996 TEX-1 must be purged and sampled during <br /> the next quarterly monitoring and sampling event The sample must be analyzed for TPH-G, <br /> BTEX, fuel oxygenates and 1,2 DCA If no contaminants are found in the water sample and this <br /> well is not planned for future use, it must be destroyed as was discussed in a meeting in April <br /> 1996 and documented in i letter dated June 10, 1996 A well destruction permit application,WP, <br /> and fees must be submitted to EHD for review and permit issuance <br /> If you have any further questions regarding this matter or to schedule any inspections,please <br /> contact Harlin Knoll at(209)468-3442 <br /> Donna Heran,REHS,Director <br /> Environmental Health Department <br /> Harlin Knoll, Senior REHS Margar Lagono, RE S <br /> LOP/ Site Mitigation Unit N Supervisor <br /> MU <br /> c CVRWQCB-James Barton, Sacramento <br /> c S CB-Division Water Quality-Kevin Graves, Sacramento <br /> c IRS Corp -Vern Elarth 2870 Gateway Oaks Dr,#300, Sacramento, 95833 <br />