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i� <br /> En9meering, Inc <br /> 7 August 2001 FILE Copy <br /> Mr Michael Infurna <br /> Site Mitigation Unit IV/LOP <br /> San Joaquin County Public Health Services , <br /> 304 East Weber Street, 3rd Floor <br /> Stockton, California 95202s <br /> RE Well Destructions at Former Exxon RS 7-0137, 1605 South El Dorado St , Stockton, California <br /> Dear Mr Infuma x <br /> N <br /> As requested by ExxonMobiI Refining and Supply Company (ExxonMobtl), ETIC Engineering, Inc(`) <br /> (ETIC) has observed the destruction of seven groundwater monitoring wells (MW 1-MW7) and two <br /> vapor extraction wells (VEWI-VEW2) at the above-referenced site ExxonMob71 received <br /> environmental case closure documentation dated 6 February 2001 from the California Regional Water <br /> Quality Control Board The site is currently an active retail service station (EZ Mini-Mart) owned by <br /> Mr Jogmohem Dhtllon <br /> On 30 May through 4 June 2001, ETIC observed the destruction of wells MWI-MIW7 and VEWI-VEW2 <br /> by V&W Drilling Inc of Isleton, California (C-57 license#720904) The former Iocations of the wells <br /> are shown m Figure 1 Well destruction permit numbers 0026237 (MWI-MWS and VEWI-VEW2) and <br /> 0026236 (MW6 and MW7) were obtained from the San Joaquin County Public Health Services <br /> (SJCPHS) prior to well destruction <br /> WeII destruction for MWI, MW2, MW4-MW6, and VEW I consisted of pressure grouting each well <br /> with neat cement slurry from 55 feet below ground surface (bgs) in MWI, 55 feet bgs in MW2, 60 feet <br /> bgs in MW4, 60 feet bgs in MW5, 55 feet bgs to MW6, and 15 feet bgs in VEWI, to top of casing Well <br /> destruction for MW3,MW7, and VEW2 consisted of over-drilling each well to 56 5 feet bgs in MW3, <br /> 615 feet bgs in MW7, and 46 feet bgs in VEW2 The casings were pulled, the well boxes removed, and <br /> the boreholes filled with neat cement grout An inspector from the SJCPHS was present to witness the <br /> well destruction The waste generated during well destruction activities was properly labeled and <br /> temporarily stored at the site The waste was removed from the site on 27 June and 6 July 2001 Waste <br /> removal documentation is attached Department of Water Resources (D WR) Forms 1$S were completed <br /> and mailed to the California DWR on 19 June 2001 Copies of the DWR Forms 1$$, the SJCPHS Well <br /> Destruction Permits, and the boring log/well construction details for each well are attached <br /> If you have any questions or comments, please contact me at (925) 602-4710, extension 23 <br /> Sincerely, <br /> Ted Moise <br /> Project Manager <br /> cc w/o attachments <br /> Mr Darin Rouse, ExxonMobil Refining and Supply Company <br /> l Ms Patricia Anderson, Regional Water Quality Control Board Cents al Valley Region <br /> Mr Jogmohem Dhillon, Property Owner— 1605 South E1 Dorado Street Stockton, CA 95206 <br /> 2285 Morello Ave Pleasant Hill CA 94523 • Phone 925 602 4710 • Fax 925 602 -4720 • License No 624022 <br /> G 1Pinjeusti701371 Mmren%vpi well de5lRlctmn 00)1V,137 icue,dui <br />