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GAVIN NEwcon <br /> �_i•, „J GOVERNOR <br /> CALIFORRIA JAM)BLUMENFELD <br /> W SECRETARY FOR <br /> Water Boards <br /> ENVIRONMENTAL PROTECTION <br /> Central Valley Regional Water Quality Control Board <br /> 17 August 2021 <br /> Lori Toccoli <br /> Mcllrath Family LTD PTP <br /> P.O. Box 326 <br /> Stockton, CA 95201 <br /> RESPONSE TO WELL DESTRUCTION WORK PLAN, JAMAR SERVICE, 4075 EAST <br /> MAIN STREET, STOCKTON, SAN JOAQUIN COUNTY, LUST CASE #391042, <br /> GEOTRACKER GLOBAL ID #T0607700858 <br /> Central Valley Regional Water Quality Control Board (Central Valley Water Board) staff <br /> reviewed the Monitoring Well Destruction Work Plan (Work Plan). This document was <br /> submitted by ATC Group Services Inc. (ATC) on your behalf for the Jamar Service <br /> underground storage tank (UST) petroleum release case at 4075 East Main Street in <br /> Stockton (Site). In the Work Plan, ATC proposes to destroy all 38 remaining Site wells <br /> as follows: <br /> Table 1 — Summary of Proposed Well Destructions <br /> Total Depth <br /> No. of Destruction <br /> Well Type Wells Wells ft b Range Method <br /> Pressure Grout <br /> MW-9A/B/C, MW-13A/B/C, & remove top 3 <br /> MW-14B/C 8 75-110 feet of casing <br /> Ground-water and annual seal <br /> Monitoring MW-1/1C, MW-2, MW-3/3C, <br /> MW-4, MW-5, MW-6A/B/C, <br /> MW-7A/B/C, MW-8, 20 70-110 <br /> MW-10A/B/C, MW-11 C, Over-drill with <br /> MW-12A, EW-1 Hollow Stem <br /> Injection IW-1 thru IW-5 5 110-110.5 Auger to Total <br /> dual completion) Depth <br /> Injection IW-6, IW-7 2 75-77.5 <br /> (single completion) <br /> Vapor Extraction VEW-1 thru VEW-3 3 50-51 <br /> ft bgs= feet below ground surface <br /> KARL E. LONGLEY SCD, P.E., CHAIR I PATRICK PULUPA, ESQ., EXECUTIVE OFFICER <br /> 11020 Sun Center Drive#200, Rancho Cordova, CA 95670 1 www.waterboards.ca.gov/centralvalley <br />