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AdvancedGeo <br />Environmental <br />25 August 2017 <br />AGE Project No. 14-3024 <br />Mr. Nathan Casebeer <br />California Regional Water Quality Control Board - Central Valley Region <br />11020 Sun Center Drive #200 <br />Rancho Cordova, CA 95670 <br />Subject: Well Destruction Work Plan <br />CAIN ELECTRICAL WORKS <br />230 North Church Street, Lodi, California <br />(Geotracker T10000006162) <br />Dear Mr. Casebeer: <br />At the request of Mr. Jim Weber, trustee of the estate of Mr. Herman Weber, Advanced <br />GeoEnvironmental, Inc. (AGE) has prepared this Well Destruction Work Plan for the <br />property located at 230 North Church Street, Lodi, California (site). The site was formerly <br />occupied by Cain Electrical Works. This work plan was prepared for the destruction of <br />four (4) groundwater monitoring wells (MW-1 through MW-4) and four (4) soil-vapor <br />extraction wells (VW-1 through VW-4). The site and the surrounding area are illustrated <br />in Figure 1. Soil boring and well locations are illustrated in Figure 2. This work plan was <br />prepared in accordance with California Water Quality Control Board (CWQCB) guidelines <br />for the investigation of contaminated sites. <br />SCOPE OF WORK <br />A total of four (4) groundwater monitoring wells (MW-1 to MW-4) installed to total depths <br />of 65 feet below surface grade (bsg) and four (4) soil-vapor extraction wells (VW-1 to <br />VW-4) installed to total depths of 45 feet bsg are proposed for destruction. The wells had <br />been installed as part of the subsurface investigation and rennediation at the site, which <br />is currently being overseen by the Regional Board. The wells are depicted on the site plan <br />in Figure 2. <br />Utilizing historical soil (no detections near wells) and groundwater data (all groundwater <br />samples were non-detect for contamination) and based on San Joaquin County <br />Environmental Health Department (SJCEHD) directive, well destruction requirements, all <br />wells are required to proposed to be over-drilled and grouted with neat cement <br />eg5 <br />dI <br />837 Shaw Road • Stockton, CA 95215 <br />Telephone (800) 511-9300 • Fax (888) 445-8786 <br />An Employee-Owned Company