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DIRECTOR <br /> San Joaquin County Donna Heran,REHS <br /> urn1 Environmental Health Department ASSISTANT DIRECTOR <br /> �.•:, „� •.OG Laurie Cotulla,REHS <br /> z 2� 600 East Main Street <br /> N, <` :� Stockton, California 95202-3029 PROGRAA+f coaRDlNaroRs <br /> s Carl Borgman, REHS <br /> .' Mike Huggins,REHS, RDI <br /> Website: www.sjgov.org/ehd Margaret Lagorio, REHS <br /> qtr FOR`a Phone: (209)468-3420 Robert McClellon,REHS <br /> Fax: (209) 464-0138 2, Z007 Jeff Carruesco, REHS,RDI <br /> OCTv Kasey Foley, REHS <br /> ,TAN THOMPSON DOUG REYNOLDS/ROB & C HALLANGER <br /> WILBUR ELLIS COMPANY 212 INDUSTRIAL DRIVE <br /> P O BOX 506 STOCKTON CA 95206 <br /> HALSEY OREGON 97348 <br /> RE: H &H Engineering and Construction Facility SITE CODE: 507797 <br /> 2 t 2 Industrial Drive RO: 623 <br /> Stockton, California 95206 <br /> San Joaquin County Environmental Health Department (EHD) has reviewed Work Plan for <br /> Monitoring Well Destruction dated October 15, 2007, prepared and submitted by Ground <br /> Zero Analysis, Inc. (Ground Zero) on your behalf for the above-referenced site. In the work <br /> plan, Ground Zero proposes to sound the three onsite monitoring wells to total depth to <br /> ensure there are no obstructions present. Then the well traffic boxes will be removed and the <br /> wells will be destroyed by over drilling the boreholes to total depth (using eight-inch or <br /> larger augers). The boreholes will be backfilled to surface grade with neat cement grout <br /> using a tremie pipe system. <br /> EHD approves the work plan as submitted and will issue the well permit application for <br /> destruction of monitoring wells MW1, MW2, and MW3 within the week. If you have any <br /> questions regarding this letter, please contact Vicki McCartney at (209) 468-9852, or by <br /> email at vmccartney@sjcehd.com. <br /> Donna Heran, REHS, Director <br /> Environmental Health Department <br /> ✓ p�L/�G' ,fjLc <br /> Victoria L. McCartney, Senior REHS Nuel C. Henderson, Jr., PG <br /> Unit IV-Site Mitigation Engineering Geologist <br /> Unit IV —Site Mitigation <br /> c: Gregory P. Stahl, PG—Ground Zero Analysis, Inc. <br /> James L.L. Barton, PG—CVRWQCB <br />