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r.' COUNW OF SAN JOAQUIN THOMAS R.FLINN <br /> DEPARTMENT OF PUBLIC WORKS DEPUTY DIRECTOR <br /> P.O.BOX 1810-1810 E.HAZELTON AVENUE <br /> c4tiFon��P STOCKTON,CALIFORNIA 95201 THOMAS M.GAU <br /> (209)468-3000 DEPUTY DIRECTOR <br /> MANUEL LOPEZ FAX(209)468-2999 <br /> DIRECTOR <br /> STEVEN WINKLER <br /> DEPUTY DIRECTOR <br /> April 10, 2001 <br /> Wendy Arano <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, California 95827 <br /> SUBJECT: HARNEY LANE SANITARY LANDFILL GROUNDWATER AND SURFACE <br /> WATER MONITORING <br /> Dear Ms. Arano: <br /> Enclosed is a copy of the First Quarter(2001)Monitoring Report for the Harney Lane Sanitary <br /> Landfill. Results from the Annual Quarter show no exceedences in any well. An increasing trend <br /> was indicated for Chloride in MW-2. Therefore, an intrawell tolerance limit was not updated for <br /> Chloride in MW-2. Although Chloride shows an increasing statistical trend,the concentration is <br /> well within drinking water standards. Surface water samples were taken and analyzed,indicating <br /> all constituents are within concentration limits. No VOCs were detected this quarter,which may be <br /> an indication that our continuous efforts to improve the landfill gas control system have been <br /> beneficial. <br /> This report was prepared to comply with current Waste Discharge Requirements Order No. 96-139. <br /> If you have any questions please call me at(209)468-3066. <br /> Sincerely, <br /> w4a" <br /> MICHAEL KALISH <br /> Associate Engineer <br /> MK:vn <br /> NAMichael\HL\GWmon\1 st01 let.wpd <br /> Enclosure <br /> c: Robert McClellon, Public Health Services, Environmental Health Division <br /> LA 64201 <br />