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California RRional Water Quality Pontrol Board <br /> vCentral Valley Region , <br /> Winston H.Hickox Robert Schneider,Chair <br /> Gray Davis <br /> Environmenteiaryforal <br /> Sacramento Main Office Governor <br /> Environmental Internet Address: http://w .sw cb.ca.gov/— gcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Phone(916)255-3000•FAX(916)255-3015 <br /> 7 November 2003 <br /> G��C �VE0 <br /> NOV 10 2003 <br /> Mr. Robert Garcia ENVIRONMENT HEALTH <br /> Leprino Foods, Inc. PERMIT/SERVICES <br /> 1830 West 381h Avenue <br /> Denver, CO 80217 <br /> DOWNGRADIENT GROUNDWATER CHARACTERIZATION WORKPLAN, LEPRINO FOODS <br /> COMPANY, TRACY, SAN JOA Q UIN CO UNTY <br /> Staff of the Central Valley Regional Water Quality Control Board (Regional Board) has reviewed the <br /> 3 November 2003 Work Plan for Downgradient Groundwater Quality Characterization (Revised Work <br /> Plan), and the 3 November 2003 Response to Comments on Downgradient Groundwater <br /> Characterization Work Plan (Response to Comments), submitted on your behalf by Geotrans, Inc. to <br /> characterize the extent of downgradient diesel fuel pollution emanating from the Leprino Foods <br /> Company(LFC)plant in Tracy. The Revised Work Plan proposes a strategy to determine the extent <br /> that TPHd has migrated off site and locate a downgradient monitoring well. The Response to Comments <br /> addresses comments provided by Regional Board staff in our 17 October 2003 letter on the original work <br /> plan dated 22 September 2003, <br /> The Revised Work Plan and the Response to Comments are acceptable. Please notify me 72 hours prior <br /> to starting field work so that I may be present to observe the work and/or collect split samples. By <br /> 5 January 2004,please submit a report that provides the results of the investigation and <br /> recommendations for further investigation, if appropriate. If you have any questions, you may contact <br /> me at (916) 255-3077 or at djuthg@rb5s.swrcb.ca.gov. <br /> GERALD J. DJUTH,P.P. . <br /> Associate Engineering Geologist <br /> cc: Ms. Lori Duncan, San Joaquin County Environmental Health Services, Stockton <br /> Mr. Brendan Shine, HSI GeoTrans, Westminster, Colorado <br /> California Environmental Protection Agency <br /> Za Ree)'cled Paper <br />