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California Ogional Water Quality Conel Board <br /> Central Valley Region <br /> Karl E. Longley,ScEl,P.E.,Chair <br /> Arnold <br /> LindaS.Adams Sacramento Main Office Sehwarzenegger <br /> Secretan for 11020 Sun Cerner Drive#200.Rancho Cordova.California 9567061 I4 Governor <br /> Fnvirorvnenral Phone(916)464-3291 •FAX(916)464-4645 <br /> Prmenwn hnp.//wwwwaterboards.ca.govlcentralvalley <br /> 29 August 2007 RECO "M <br /> ED <br /> Mr. Gil Moore SEP 14 2007 <br /> New West Petroleum, Inc. ENVIRONMENT HEALTH <br /> 1831 16th Street PERMIT/SERVICES <br /> Sacramento, CA 95814 <br /> DOCUMENT REVIEW, NEW WEST PETROLEUM #1003 (SHELL BRANDED), <br /> 6437 BANNER STREET, LODI, SAN JOAQUIN COUNTY(CAO R-5-2007-0709) <br /> I reviewed the Work Plan for Additional Wells North of Site (Workplan) and Response to <br /> Regional Board Letter Dated 26 July 2007 (Responses), submitted by your consultant Closure <br /> Solutions, Inc. (CSI) in response to the 26 July 2007 Regional Board staff letter (Letter) for <br /> Cleanup and Abatement Order No. R5-2007-0709 (CAO). The Workplan (see Letter <br /> comment 1) proposes installation of four additional upgradient groundwater monitoring wells <br /> MW-12A, -12B, -13A, and MW-13B to the north and northeast of the Site (enclosed Figure 1). <br /> The Responses addresses Letter comments 2 through 9. <br /> The Workplan is necessary and appropriate to complete lateral definition of the MtBE <br /> groundwater plume, and is approved as submitted. The Responses adequately address the <br /> Letter comments 2 through 9 by providing the requested information and changes to the <br /> following documents: the Work Plan for the Installation of Off-Site Groundwater Monitoring <br /> Wells and Soil Vapor Survey, the Site History, the UST System Integrity, and the Public <br /> Participation Plan. Please note that the CAO requires installation of all new wells by <br /> 21 September 2007 and the submittal of a Preliminary Investigation and Evaluation Report by <br /> 15 November 2007. Provide San Joaquin County Environmental Health Department and <br /> myself at least three working days notice prior to commencing fieldwork. <br /> If you have any questions or comments, you may call me at (916) 464-4615 or email me at <br /> ibartonPwaterboards.ca.gov. <br /> JAMES L.L. BARTON, P.G. <br /> Engineering Geologist <br /> UST Enforcement Unit II <br /> Enclosure <br /> cc: Mr. Mark Owens, UST Cleanup Fund, SWRCB, Sacramento <br /> Ms. Margaret Lagorio, San Joaquin County Environmental Health Department, Stockton <br /> Mr. Ronald Chinn, Closure Solutions, Inc., 1243 Oak Knoll Dr., Concord 94521 <br /> California Environmental Protection Agency <br /> p-d Retitled Paper <br />