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a <br /> PqU 1 N. <br /> 10..••�..CAS <br /> R O.B �O <br /> OX 1810-1810 E.HAZEIN AVENUE <br /> THOMAS R. FLINNFN <br /> STOCKTON,CALIFORNIA 95201 <br /> DIRECTOR (209)468-3000 FAX(209)468-2999 <br /> www.co.san-joaquin.ca.us <br /> THOMAS M.GAU <br /> DEPUTY DIRECTOR <br /> JAMES F.PAYTON wmlen for YOU <br /> BUSINESS ADMINISTRATOR <br /> MANUEL SOLORIO <br /> DEPUTY DIRECTOR DEU 0 2002 <br /> STEVEN WINKLER to <br /> DEPUTY DIRECTOR <br /> ENVi-alVs_i;i t-xt:'ALTN <br /> December 6, 2002 PERMIT/SERVICES <br /> Ms. Kim Schwab <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, California 95827 <br /> SUBJECT: CORRAL HOLLOW SANITARY LANDFILL GROUNDWATER AND <br /> SURFACE WATER MONITORING <br /> Dear Ms. Schwab: <br /> Enclosed is a copy of the Third Quarter 2002 Monitoring Report for the Corral Hollow Sanitary <br /> Landfill, submitted in compliance with Waste Discharge Requirements Order No. 5-01-176. <br /> There were no exceedences of established concentration limits during the third quarter monitoring <br /> event. <br /> r' <br /> Results from the third quarter monitoring event indicate that a trace amount of compound <br /> 1,2,4-Trimethylbenzene was detected in MW-4. The well was not resampled. <br /> Volatile Organic Compounds (VOCs)continue to be detected in MW-5. As a corrective <br /> measure,the County is operating the landfill gas collection system at a maximum collection rate. <br /> The County expects that the system's effectiveness in reducing detections will be evident after <br /> sufficient time has elapsed. <br /> If you have any questions,please call me at (209)468-3066. <br /> Sincerely, <br /> W. MICHAEL CARROLL,PE <br /> Senior Civil Engineer <br /> MC:sc <br /> NAICorrall Hollow\Groundwater Monitoring\Repts20o2\3rdQtr02leUer.wpd <br /> Enclosure <br /> c: Robert McClellon, Environmental Health Department <br /> LA 21850 <br />