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6920 Koll Center Parkway e�Clayton <br /> Suite 216 <br /> Pleasanton,CA 94566 <br /> 925.426.2600 GROUP SERVICES <br /> Fax 925.426.0106RE^ O /l�;JD� <br /> MAR 1 5 2004 <br /> March 12, 2004 <br /> ENPERWH <br /> /SERVICES <br /> Ms. Devra Lewis <br /> Environmental Specialist II <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 11020 Sun Center Drive #200 <br /> Sacramento, Calif 677----.__._.-----.__ <br /> -� Clayton Project No. 70-03429.00 <br /> Subject: Monitoring Well Abandonment \ <br /> Parcel 3 /1 <br /> Weber Avenue and Lincoln Street <br /> \ Stockton, California <br /> Dear Ms. Lewy___-- <br /> Clayton Group Services, Inc. (Clayton)has prepared this letter on behalf of Alco <br /> Industries, Inc. (Alco) and Union Oil Company(Unocal)regarding a portion of Parcel 3 <br /> located to the east of the former Morton Paint facility and southeast of the former Unocal <br /> facility in Stockton, California(Figures 1 through 3). Parcel 3 is currently owned by the <br /> City of Stockton Redevelopment Agency(Redevelopment Agency). <br /> Due to construction and building activities concerning Parcel 3 (scheduled to commence <br /> on April 12th), Clayton is writing this letter to request approval for a <br /> groundwater monitoringwells. The w entified MW-iR and MW-36 (Figure <br /> and will be properly abandoned in accordance with requirements <br /> County Environmental artment(SJCE copy o <br /> c on logs is presented as Attachment . <br /> The wells will be abandoned by drilling out the existing casing and sand-pack to the total <br /> depth of the well, and backfilling the boring with neat cement. A representative of the <br /> SJCEHD will be present to approve all grouting operations. Prior to well abandonment, <br /> monitoring wells MW-36 and 3MW-1R will be resampled in accordance with the <br /> Monitoring and Reporting Program (MRP)No.R5-2003-0803. <br /> SAES\PROJECISV 3\03429 UmW LinwN and Weber\well aban&--IVNW abmdonme MC <br /> www.claytongrp.com <br /> Environmental Services • Occupational Health and Safety • Laboratory Services <br />