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i <br /> I <br /> Page 2 <br /> 1817 S . Fresno Ave . <br /> Please conduct a survey and provide the location of all agricultural , industrial , <br /> domestic, municipal and other wells within a 2000 foot radius of this site in the <br /> workplan . The construction of these wells , if known , should be included . <br /> The Central Valley Regional Water Quality Control Board requires that all sites <br /> with monitoring wells perform analysis for fuel oxygenates on the water samples <br /> collected from the wells . Initial analysis of MW-3 showed MTBE at 12 ppb by <br /> EPA method 8020 . Analysis from the second round of groundwater samples by <br /> EPA method 8260 was non-detect for all fuel oxygenates . A confirmation <br /> analysis by EPA method 8260 will be required during the next groundwater <br /> monitoring event. Pending results from that analysis , the need to continue <br /> testing for fuel oxygenates can be reevaluated . <br /> If you have any questions or comments please contact Lori Duncan at (209-468- <br /> 0337) . <br /> Donna Heran , REHS , Director <br /> Environmental Health Division <br /> cut/, CA (S�� <br /> Lori Duncan , REHS Margar Lagono , R HS <br /> Site Mitigation Unit IV Supervisor, Unit IV <br /> cc: Mark List, CVRWQCB <br /> Doug Guenther, Clearwater Group , Inc . <br /> i <br /> t <br /> i <br /> i <br />