Laserfiche WebLink
Californiaiegional Water- Quality Control Board <br /> Central Valley Region ��=i <br /> Karl E. Eonglm Sc D, P.F_( hair <br /> 1-inda S. Adams 11020 Sun Cerner Dripc#200. Rancho Cordova_C'a[i1ornIa 9>670-61 14 Arnold <br /> ly/w I lur Phone 19161 464-3291 •FAX 19161464-464 SchN%arzenegger <br /> l-r7 Irojime ul (,nrrrn,r <br /> http/Avw\�.s+aterhuards.ca.gov/centralsalles <br /> Prwecnnn <br /> r <br /> 30 September 2009 <br /> Mr. Allan Fetters Mr. Bud den Ouden <br /> RF Land, Inc. Ripon Farm Service. LLC <br /> 3705 Portsmouth Circle North PO Box 806 <br /> Stockton, CA 95219-3842 Ripon, CA 95366-0806 <br /> CONDITIONAL CONCURRENCE WITH PHASE R SITE INVESTIGATION <br /> WORKPLAN, RIPON FARM SERVICE, 938 FRONTAGE ROAD, SAN JOAQUIN <br /> COUNTY <br /> The former Ripon Farm Service facility operated a fertilizer distribution facility at this site <br /> between about 1967 and 2008. The primary pollutants at the site are nitrate and <br /> ammonium. Landowners currently include RF Land, Inc. and AgDok Land, whereas <br /> past operators have been Ripon Farm Service, Inc. and Ripon Farm Service LLC: <br /> RF Land, Inc. has begun investigating the nature of the distribution of pollutants at this <br /> site and on 11 June 2009 destroyed the on-site water supply well. <br /> California Regional Water Quality Control Board. Central Valley Region (Central Valley <br /> Water Board) staff reviewed the following reports: <br /> • 22 June 2009 Notification of Supply Well Destruction prepared by Ground Zero <br /> Analysis Inc., <br /> • 7 July 2009 Site Characterization Work Plan Phase 11 (Revised Work Plan), <br /> prepared by Genesis Engineering and Redevelopment. <br /> The Revised Work Plan replaces the Site Characterization Work Plan Phase 11 dated <br /> 12 September 2008, which Central Valley Water Board staff conditionally concurred <br /> with in a letter dated 17 October 2008. This Revised Work Plan incorporates the <br /> investigative items specifically requested in the Central Valley Water Board staff's <br /> 28 May and 9 July 2008 letters and the conditional elements specified in the October <br /> concurrence letter. <br /> The Revised Work Plan includes the following.- <br /> 0 <br /> ollowing:• Seven shallow monitoring wells distributed along the north and south property <br /> boundaries. <br /> Ten shallow borings sampled for nitrogen about every five feet to first groundwater. <br /> which is about 25 feet below ground surface (bgs) <br /> California Environmental Protection .-tr;em-Y <br />