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5 <br /> 1117 Lone Palm, Suite B <br /> Modesto, California 95351 <br /> www.atc-enviro.com <br /> 209.579.2221 <br /> A S s o c ! a r E s r N c Fax 209.579.2225 <br /> f <br /> I <br /> February 5, 2002 <br /> 54.92054.0002 <br /> I <br /> Mr. Mike Infurna <br /> San Joaquin County rf <br /> Environmental Health Department <br /> 304 E. Weber Street, Third Floor <br /> Stockton, CA 95202 <br /> Subject: <br /> ,l Workplan;for.Destruction of Groundwater Monitoring Wells at Gemelos-Paladine <br /> Mileage Center, 2421 Holly Drive, Tracy, California, Site Code. 1412 <br /> Dear Mr. Infurna: <br /> On behalf of Ms. Elaine Kluve, ATC Associates Inc. has prepared this document to serve as a <br /> well destruction workplan in accordance with California Regional Water Quality 'Control <br /> Board (RWQCB) correspondence dated December 28, 2001. <br /> The scope of work in brief includes obtaining permits, overdrilling three monitoring wells, <br /> disposal of soil cuttings, and preparing a summary report, The scope of work is described in <br /> detail in the following paragraphs. <br /> .SITE LOCATION <br /> r <br /> The site is located on the north side of Grant Line Road and the west side of Holly Drive in <br /> Tracy, California, as shown on Figure 1. The vicinity of the site is primarily a commercial and <br /> residential area. The site is currently occupied by one building used for auto repair. <br /> SCOPE OF WORK <br /> Field Activities <br /> ATC proposes to abandon monitoring wells MW 1 through MW3. Well locations are shown <br /> on Figure 2. The well boxes, locking plugs, and top two feet of casing will be removed from <br /> each well prior to abandonment.. The monitoring wells will be destroyed byi overdrilling,the <br /> casing and sandpack to a depth of approximately 16 feet. The borings will be backfilled with a <br /> neat cement/bentonite grout to within.approximately two feet of the ground surface. <br /> w:lwordpro192054.021reportslwpwell.doc 1 <br /> f <br /> t <br />