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Pp U 11y <br /> THOMAS M.GAU P.O.BOX 1810-1610 E.HAZELTON AVENUE <br /> DIRECTOR STOCKTON,CALIFORNIA 95201 <br /> � P (209)468-3000 FAX(209)468-2999 <br /> ati, oaa` %"vw.sjgov.org/pubworks <br /> ' FRITZ BUCHMAN <br /> DEPUTY DIRECTOR Wwlnng I& YOU <br /> MICHAEL SELLING �"� RECEIVED <br /> DEPUTY DIRECTOR <br /> JIM STONE <br /> DEPUTY DIRECTOR MAY 01 2014 <br /> ROGERJANES <br /> BUSINESS ADMINISTRATOR <br /> ENVIRONMENTAL HEALTH <br /> PERMITISERVICES <br /> April 22, 2014 <br /> Mr. Todd Del Frate <br /> California Regional Water Quality Control Board <br /> 11020 Sun Center Drive, #200 <br /> Rancho Cordova, California 95670-6114 <br /> SUBJECT: FIRST QUARTER 2014 GROUNDWATER MONITORING REPORT, <br /> CORRAL HOLLOW SANITARY LANDFILL <br /> Dear Mr. Del Frate: <br /> Enclosed please find the First Quarter 2014 Groundwater and Surface Water Monitoring <br /> Report for the Corral Hollow Sanitary Landfill. Monitoring was performed in accordance with <br /> the monitoring program included with the Waste Discharge Requirements (WDRs) approved <br /> by the Regional Water Quality Control Board for this site. <br /> iThe County is pleased to report that data from off-site wells MW-9A and MW-10A indicate <br /> that groundwater quality at those locations are improving, indicated by the lack of detection of <br /> Volatile Organic Compounds (VOCs) at those wells this quarter. In addition, we see a <br /> reduction of impact at well MW-11A, with all VOCs at "trace" concentrations. <br /> Data from other wells are consistent with previous quarters. No VOCs were reported at <br /> shallow aquifer wells SB-1 and MW-4, and the deep aquifer wells MW-6 and MW-7. <br /> Constituents in wells MW-5 and MW-8 remain without significant change. <br /> Storm event Inspection reports along with documentation of repairs were previously <br /> submitted to RWQCB. On-going repairs will be reported upon completion. <br /> Progress of Corrective Action Measures is submitted during the first and third quarters, and is <br /> therefore included in this quarterly report. <br /> I certify under penalty of law that I have personally examined and am familiar with the <br /> information submitted in this document and all attachments and that, based on my inquiry of <br /> those individuals immediately responsible for obtaining the information, I believe that the <br /> information is true, accurate, and complete. I am aware that there are significant penalties <br /> for submitting false information, including the possibility of fine and imprisonment. <br />