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California Regional Water Quality Control Board <br /> 0 Central Valley Region <br /> Karl E.Longley,SeD,P.E.,Chair <br /> Arnold <br /> LindSAdams <br /> Linda <br /> SS.Ada Sacramento Main Office Schwanenegger <br /> Environmental 11020 Sun Center Drive 4200,Rancho Cordova,California 95670-6114 Governor <br /> Protection Phone(916)464-3291 •FAX(916)464-4645 <br /> http://www.waterboards.ca.gov/centralvalley <br /> 29 October 2007 <br /> Mr. E. Bingham Kirk APR I-�2 20077 <br /> AKF Development LLC ENVIRONt\)ENT HEALTH <br /> P.O. Box 4267 PERM,717pvli--s <br /> Stockton, CA 95204-0267 <br /> SECOND SEMI-ANNUAL 2006 GROUNDWATER MONITORING, FORMER SPRECKELS <br /> SUGAR PLANT NO. 2, SAN JOAQUIN COUNTY <br /> We have reviewed the Second Semi-Annual 2005 Groundwater Monitoring Report, Former <br /> Spreckels Sugar Plant No. 2 submitted on 8 March 2007 on behalf of AKF Development LLC. <br /> The enclosed Monitoring Report Compliance Checklists summarizes our comments on the <br /> report. The report was submitted late but it is complete. <br /> Monitoring results since closure of the lime ponds demonstrate a steady decrease of <br /> constituents of concern (pollutants) in groundwater. Although, an identifiable body of impacted <br /> groundwater remains northwest of the former pond area, the footprint of groundwater <br /> degradation has decreased and concentrations have decreased. <br /> If you have any questions please call me at (916) 464-4614. <br /> ROSS D. ATKINSON <br /> Associate Engineering Geologist <br /> cc: Michael J. Infurna, San Joaquin County Public Health Services, Stockton. <br /> Mr. Doug Heard, Kleinfelder Inc., Stockton. <br /> RDA;W:\staff\atkinsr\MYDOCUMENTS\SPRECKELSMANTECA\MONITOREPORTSQ_4gO61l.doc <br /> CIWQS Violation#495826 <br /> California Environmental Protection Agency <br /> ea Recycled Paper <br />