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. r <br /> ?< THOMAS R. FLINN P.O.BOX 1810-1810 E.HAZELTON AVENUE <br /> STOCKTON,CALIFORNIA 95201 <br /> DIRECTOR ,U� o "tom (209)468-3000 FAX(209)468-2999 <br /> �4CiFpRi+p ry,,. www.co.sanjoaquin.ca.us <br /> THOMAS M.GAU <br /> DEPUTY DIRECTOR <br /> MANUEL SOLORIO Wcrymgfor , <br /> DEPUTY DIRECTOR <br /> STEVEN WINKLER <br /> DEPUTY DIRECTOR J U L 3 <br /> 12003 <br /> BENTON ANGOVE �qp� <br /> BUSINESS ADMINISTRATOR E NVIRol41VIEN^� HEALTH <br /> July 29, 2003 PERMIT/SERVICES <br /> Ms. Kim Schwab <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Roa& <br /> Sacramento, California 95827 <br /> SUBJECT: FOOTHILL SANITARY LANDFILL GROUNDWATER AND SURFACE <br /> WATER MONITORING <br /> Dear Ms. Schwab: <br /> �r v <br /> Enclosed is a copy of the First Semester 2003 Monitoring Report for the Foothill Sanitary <br /> 01 <br /> Landfill, submitted to comply with Waste Discharge Requirements Order No. R5-2003-0020. <br /> Two constituents exceeded their respective concentration limits in MW-2 and MW-3. However, <br /> the exceedance in MW-2 is not considered a serious concern due to the similarity of the <br /> concentration found in the upgradient well. <br /> Preliminary data from the Evaluation Monitoring Plan seems to indicate that groundwater is not <br /> impacted at or near Well MW-3. The County will submit the results in the form of an <br /> Engineering Feasibility Study once this investigation is complete. <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:kf <br /> NMFoothillZroundwater Monitoring\Repts2003\1 stSem03 letter.doe <br /> Enclosure <br /> C. Robert McClellon; Environmental Health Dep mens' <br /> LA 31610 <br />