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44J1y <br /> a� •c <br /> ° COUNTY OF SAN JOAQU I N <br /> Z 'Z THOMAS R.FLINN <br /> a :< DEPARTMENT OF PUBLIC WORKS DEPUTY DIRECTOR <br /> P.O.BOX 1810-1810 E.HAZELTON AVENUE MANUEL LOPEZ <br /> _ = STOCKTON.CALIFORNIA 95201 DEPUTY DIRECTOR <br /> �q ;P (209)468-3000 STEVEN WINKLER <br /> %FCRr': C.' FAX(209)468-2999 DEPUTY DIRECTOR <br /> HENRY M.HIRATA <br /> DIRECTOR <br /> September 23, 1999 <br /> Wendy Arano <br /> Calitomia Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, California 95827 <br /> SUBJECT: FOOTHILL SANITARY LANDFILL GROUNDWATER MONITORING <br /> Dear Ms. Arano: <br /> Enclosed is a copy of the Third Quarter(1999)Monitoring Report for the Foothill Sanitary Landfill. <br /> Results from the third quarter(1999) show a detection of Chlorobenzene in wells MW-1 and MW-2. The <br /> County believes that these detections are probably due to laboratory error, and will no longer be using the <br /> services of the current laboratory. Nonetheless, a re-test was performed during the week of <br /> September 15, 1999. The results will be submitted to the Regional Board as soon as we receive them. A <br /> new, state certified laboratory will be used in the future. <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 /> Sincer ly, <br /> WES J HNSON <br /> Associate Civil Engineer <br /> WJ:MK:rh <br /> S AW ES\FH\G W MON\3-99LET <br /> Enclosure <br /> c: Robert McClellon, Lead Senior R.E.H.S., Public Health Services, Environmental Health Division <br /> LA 64201 <br />