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ENVIRONMENTAL HEALTH`6EPARTMENT <br /> "0_ o <br /> SAN JOAQUIN COUNTY <br /> z u—Fri 2 Donna K. Heran, R.E.H.S. <br /> Unit Supervisors <br /> N: F Lil Director 304 East Weber Avenue,Third Floor Carl Borgman,R.E.H.S. <br /> Laurie A. Cotulla, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.T. <br /> Program Manager Telephone: (209)468-3420 Douglas W.Wilson,R.E.H.S. <br /> Q<<FOR Margaret Lagorio,R.E.H.S. <br /> Fax: 209 46401.38 <br /> Fax: (209) - Robert McClellon R.E.H.S. <br /> Website:www.sjgov.org/ehd/ Jeff Carruesco,R.E.H.S. <br /> DENIS L BROWN <br /> SHELL OIL PRODUCTS <br /> 20945 S WILMINGTON <br /> CARSON CA 90810-1039 <br /> RE: SHELL-BRANDED SERVICE STATION <br /> 1071 NORTH MAIN STREET <br /> MAN"TECA,CALIFORNIA <br /> WORK PLAN: Well Destruction. Work Plan <br /> DATED: February 15, 2006 <br /> PREPARED BY: Cambria Environmental Technology, Inc. <br /> APPROVED X <br /> DISAPPROVED 0 <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health & Safety Code <br /> (H&S) Section 25296.10(c)(3)]: <br /> • Destroy three monitoring wells, MW-1, MW-2, and MW-3, by backfilling each well casing <br /> with neat cement grout using a tremie pipe system, placing pressure seals on top of the well <br /> casings, and pressurizing the well casings. Then the wellhead vault boxes will be removed <br /> and an area approximately two feet in diameter and approximately three feet below grade <br /> will be excavated. The well casings will be cut to a depth of approximately two.and a half <br /> feet below grade and the remaining hole will be backfilled with neat cement. <br /> • Groundwater expelled from the wells during the grouting process must, be.containerized, <br /> characterized,and disposed of properly. <br /> COMMENTS AND CONDITIONS: <br /> • San Joaquin County Environmental Health Department (EHD) has been informed that <br /> fieldwork will take place on February 24,2006. <br /> • Submit a drilling permit application and check for$60.00 to EHD prior to the fieldwork. <br /> DATED: February 21,.2006 BY: �- <br /> Victoria L.McCartney, Senior RE HS (209)78-3456 <br /> c: CVRWQCB—James L. L. Barton <br /> Cambria Environmental Technology, Inc.— Joseph W.Neely,PG <br /> i . <br /> 1 <br />