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PQu'N <br /> 4 % COUNTY F SAN JOAQUIN THOMAS R.FLINN <br /> DEPARTMENT OF PUBLIC WORKS DEPUTY DIRECTOR <br /> R 0.BOX 1810-1810 E.HAZELTON AVENUE <br /> �4tiFo"a��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 12,2001 <br /> Wendy Arano <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road "•, <br /> Sacramento, California 95827 <br /> SUBJECT: FOOTHILL SANITARY LANDFILL GROUNDWATER AND SURFACE <br /> WATER MONITORING <br /> Dear Ms. Arano: <br /> Enclosed is a copy of the First Quarter(200 1)Monitoring Report for the Foothill Sanitary <br /> Landfill. Results from the First Quarter show detections of Methylene Chloride in MW-2 and <br /> Trichloroethene and 1,1-Dichloroethene in well MW-3. The County has prepared an Evaluation <br /> Monitoring Plan for well MW-3,that was submitted to Regional Board staff on March 16, 2001, <br /> and is awaiting a response to continue the process.. First storm surface water samples were <br /> taken and analyzed. All constituents were within established concentration limits. <br /> This report is submitted to comply with Waste Discharge Requirements Order No. 94-258. <br /> If you have any questions,please call me at(209) 468-3066. <br /> Sincerely, <br /> R4I;Ij/CO- <br /> MICHAEL <br /> KALISH <br /> Associate Engineer <br /> MK:vn <br /> NAMichael\FH\GWmon\1 st0l letwpd <br /> Enclosure <br /> c' Robert McClellon,Environmental Health Division,Public Health Services <br /> LA 64201 <br />