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q <br /> M <br /> i� E WAVON Buuwx Ja. <br /> Or <br /> Tan <br /> Water Boards rc°p°w ". "e <br /> Central Valley Regional Water Quality Control Board <br /> 13 January 2015 <br /> Bill Stoermer <br /> Fremont Plaza Investments, LP <br /> 7015 Morton Court <br /> Stockton , CA 95209 <br /> WORK PLAN, WASTE DISCHARGE REQUIREMENTS ADDENDUM OF GENERAL ORDER NO. R5- <br /> 2008-0149 — APACHE PLASTICS, 2050 EAST FREMONT STREET, STOCKTON, SAN JOAQUIN <br /> COUNTY <br /> The California Regional Water Quality Control Board , Central Valley Region (Central Valley Water <br /> Board) staff reviewed the Waste Discharge Permit Application - Addendum and Well Installation Work <br /> Plan ( Work Plan), dated 14 November 2014 submitted on behalf of Fremont Plaza Investments, by <br /> Advanced GeoEnvironmental, Inc. (AGE). The Work Plan was written in response to Water Board staff <br /> comments letter dated 23 October 2014, which stated AGE's proposal to use monitoring wells as <br /> injection wells would make those wells unsuitable for evaluating water quality in the aquifer. <br /> In the Work Plan AGE proposes installation of two (2) deep injection wells , two (2) shallow monitoring <br /> wells and one ( 1 ) deep monitoring well for a total of five (5) new wells. The two shallow borings are <br /> proposed to be advanced to 55 feet below ground surface (' bgs) . The three deep borings are <br /> proposed to be advanced to 120' bgs. All five wells will be constructed with 2-inch diameter Schedule <br /> 40 polyvinylchloride ( PVC ) casing with 0 . 020-inch slotted PVC well screens. Shallow wells will be <br /> screened 40' to 55' bgs while the deep wells are proposed to be screened 100' to 120' bgs. All wells <br /> are proposed to be constructed within the chemical oxidants treatment zone . The wells grouting will be <br /> inspected by the San Joaquin County Environmental Health Department (SJCEHD) under SJCEHD <br /> well construction permits. <br /> I concur with the Work Plan as presented . Upon completion of the new wells the Notice of Applicability <br /> will be prepared and sent under separate cover. Please notify me at least three working days prior to <br /> conducting the fieldwork. Please submit a Well Installation Report by 15 April 2015. If you have any <br /> questions regarding this NOA, you may contact me at (916) 464-4615 or by email at <br /> jim . barton@waterboards. ca. gov. <br /> /s/ original signed by <br /> James L. L. Barton , P . G . <br /> Engineering Geologist <br /> cc: Nuel Henderson , San Joaquin County Environmental Health Department, Stockton <br /> Brian Millman, Advanced GeoEnvironmental Inc. , 837 Shaw Rd . , Stockton 95215 <br /> KARL F . Lo NGLev SCD. P. E . . r.nnw I PPmEin C . GurLuoR P. E. , BCEE. cxc..unvt anvlren <br /> 11020 Sun Center DrIVe 0200, RanCho Cardova, CA 95670 1 www-waterboards.La gov'centralvailey <br />