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e F GAVIN NEWSOM <br /> 'y GOVERNOR <br /> O nllio RNl♦ SEC EDTABRY MENFELD <br /> OR <br /> WaterBoards ENVIRONMENTAL PROTECTION <br /> Central Valley Regional Water Quality Control Board <br /> 22 July 2021 <br /> Bill Doerr <br /> The Newark Group <br /> 33878 Drifting Sands Circle <br /> Thousand Palms, CA 92276 <br /> REQUEST FOR WELL DESTRUCTION WORK PLAN, NEWARK GROUP INC. <br /> CASE #2 (T10000004123), 800 WEST CHURCH STREET, STOCKTON, SAN <br /> JOAQUIN COUNTY, LUST CASE# 391188 <br /> Central Valley Regional Water Quality Control Board (Central Valley Water Board) staff <br /> reviewed the Well Destruction Work Plan (Work Plan) dated 21 July 2021. The Work <br /> Plan was submitted on your behalf by AECOM for the Newark Group Inc. Case #2 <br /> underground storage tank (UST) petroleum release case at 800 West Church Street in <br /> in Stockton (Site). In the Work Plan, AECOM proposes to destroy all of the remaining <br /> wells at the Site, as summarized in the table below. <br /> Well Type No. of Screen Interval Destruction Method Grout Method <br /> Wells Depth Range <br /> Shallow <br /> Groundwater 9 10-27 <br /> Monitoring Overdrill with 8" Backfill borehole <br /> Deep hollow stem augers via tremie pipe <br /> Groundwater 2 60-70 <br /> Monitoring <br /> Central Valley Water Board staff concurs with the scope of work as proposed in the <br /> Work Plan. However, San Joaquin County Environmental Health Department <br /> (SJCEHD) maintains jurisdictional authority over well destructions in San Joaquin <br /> County, so the proposed well destructions must be completed under, and in accordance <br /> with, SJCEHD permits and requirements. By 29 October 2021, please submit a Well <br /> Destruction Report. In this report, please summarize the date and method of each well <br /> destruction and the date all remaining waste was removed from the Site. Also include <br /> copies of all applicable permits and the generator copies of all associated waste <br /> manifests. <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 />