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AU1fY <br /> THOMAS M.GAU P.O.BOX 1810.1810 E.HAZELTON AVENUE <br /> DIRECTOR STOCKTON,CALIFORNIA 96201 <br /> ��trdeP�'p (209)468.3000 FAX(209)468.2999 <br /> vnw+.sjgov.org/pubwork s <br /> FRITZ BUCHMAN 4&N% <br /> DEPUTY DIRECTOR WOTW ` y.(W V^*T <br /> MICHAEL SELLING (� 1 1 V[J <br /> DEPUTY DIRECTOR <br /> JIM STONE <br /> DEPUTY DIRECTOR <br /> ' ROGER JANES <br /> BUSINESS ADMINISTRATOR <br /> July 31, 2014 <br /> Mr. Todd Del Frate, PG <br /> ' California Regional Water Quality Control Board <br /> 11020 Sun Center Drive, #200 <br /> Rancho Cordova, California 95670-6114 <br /> SUBJECT: SECOND QUARTER 2014 GROUNDWATER AND SURFACE WATER <br /> MONITORING REPORT, CORRAL HOLLOW SANITARY LANDFILL <br /> ' Dear Mr. Del Frate: <br /> ' Enclosed please find the Second Quarter 2014 Groundwater and Surface Water Monitoring <br /> Report for the Corral Hollow Sanitary Landfill. Monitoring was performed in accordance with <br /> Waste Discharge Requirements R5-2013-0013. <br /> The County is pleased to report that data from off-site wells MW-9A and MW-10A indicate <br /> that groundwater quality at those locations continue to improve, indicated by the lack of <br /> detection of Volatile Organic Compounds (VOC) at those wells this quarter. In addition, we <br /> see a reduction of impact at well MW-11A, with all VOCs at "trace" concentrations. <br /> Methylene Chloride, previously repeatedly reported in well MW-8, has not been detected at <br /> that well since May 2012. <br /> Data from other wells are consistent with previous quarters. No VOCs were reported a <br /> p t <br /> shallow aquifer wells SB-1 and MW-4, or the deep aquifer wells MW-6 and MW-7. <br /> 1 Constituents in wells MW-5 and MW-8 remain without significant change. <br /> Progress of Corrective Action Measures is submitted during the first and third quarters, and is <br /> ' therefore not included in this quarterly report. <br /> I certify under penalty of perjury that I am familiar with the information submitted in this report, <br /> ' and to the best of my knowledge the report is true, accurate, and complete. <br />