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<#*> ETIC <br /> ENGINEERING <br /> JAN 3 1 2007 <br /> 22 January 2007 ENVIRONMENT HEAU1 H <br /> PERMIT/SERVICES <br /> Mr.Harlin Knoll <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue,Third Floor <br /> Stockton,California 95202 <br /> Subject: Well Destruction <br /> Former Exxon Retail Site 7-3942,4444 North Pershing Avenue, Stockton,California <br /> Dear Mr.Knoll: <br /> As requested by ExxonMobil Oil Corporation,ETIC Engineering,Inc. (ETIC)observed the destruction of one offsite <br /> groundwater monitoring well for the above-referenced site. ETIC observed the destruction of well MW 11 at 1130 <br /> Monaco Court, Stockton, California on 12 October 2006, by Cascade Drilling Company, Inc. of Rancho Cordova, <br /> California(C-57 license#717510). The well was destroyed by excavating around the well casing to a depth of 3 feet <br /> below ground surface, and to a diameter of approximately 2 feet. The well casing was cut off at the bottom of the <br /> excavation, leaving a 6-inch stub. The well was then pressure-grouted for 5 minutes at 30 pounds per square inch. <br /> The excavation was then filled with clean soil and the surface was restored to match the surrounding surface. The <br /> work was completed over a period of one day. Well destruction activities were observed by an inspector from the <br /> San Joaquin County Environmental Health Department(SJCEHD). <br /> The well debris and concrete generated during well destruction activities were contained in one 55-gallon drum The <br /> waste was removed from the site on 28 November 2006 by Dillard Environmental Services and transported for <br /> disposal to Republic Services Vasco Road Landfill in Livermore,California. <br /> The former location of the well is shown in the attached site plan. Well construction details for the destroyed well are <br /> summarized in the attached Department of Water Resources Form 188 (Well Completion Report) and the attached <br /> boring log. Copies of the SJCEHD well destruction permit and waste documentation are attached. <br /> If you have any questions or comments, please contact Ted Moise at (925) 602-4710, extension 23 or Bryan <br /> Campbell at extension 24. <br /> Sincerely, SotONAL Gk_0 <br /> BRYAN !GC/ <br /> Q CAMPBELL u'a <br /> Ted Morse Bryan Campbell,P.G.#7724 _ No. 7724 <br /> Senior Project Manager Senior Geologist <br /> JfT Exp. tY101 <br /> Attachments q �P <br /> cc: Ms.Jennifer Sedlachek,ExxonMobil Refining and Supply Company <br /> CA1-�F� <br /> Mr.James L.Barton,California Regional Water Quality Control Board,Central Valley Region <br /> Mr.Bob Fay,Bank of Stockton Trust Department <br /> 2285 Morello Avenue, Pleasant Hill, CA 94523 • Phone: 925.602.4710 • Fax:925.602.4720 • License #624022 <br /> o: ja %73W2UBLIC WI I WELL DESTRUCTION IWSWeII rk Uion Letts ReponO-3942 Well Destmaw-Text hrc <br />