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San Joaquin County DIRECTOR <br /> QOrNDonna Heran,REHS <br /> O.P' ••• "•.0 Environmental Health Department ASSISTANT DIRECTOR <br /> �' •�GLaurie Cotulla,REHS <br /> r. .z 600 East Main Street <br /> On < Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> _ Mike Huggins,REHS,RDI <br /> i Margaret Lagorio,REHS <br /> Cq Nip Website: www.sjgov.org/ehd Robert McClellon,REHS <br /> /FOR <br /> Phone: (209) 468-3420 .teff Carruesco,REHS,RDI <br /> Fax: (209) 464-0138 Kasey Foley,REHS <br /> July 22, 2009 <br /> Mr. Victorio Aranda <br /> c/o Victor Aranda <br /> 1318 E. Scotts Avenue <br /> Stockton, CA 95205 <br /> Subject: Former Electro Delta <br /> 821 South Wilson Way <br /> Stockton, CA <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed our file and <br /> Geotracker, the State internet website information for the above subject site. In a letter dated <br /> May 7, 2009, the EHD directed water samples be collected and analyzed from the monitoring <br /> wells at this site and that a report of the results be submitted to the EHD as well as an interim <br /> remedial action plan by July 6, 2009. There have been no data or documents submitted to <br /> Geotracker nor to the EHD to date. You continue to be out of compliance with EHD directives <br /> for this site. <br /> Monitoring wells MW5 and MW6 were installed in June 2008 and water samples have only <br /> been collected from them once (August 2008). The concentrations of contaminants in the <br /> water sample from MW5 were very high. Monitoring well MW4 was installed in August 2008 <br /> and a water sample has not been collected from this well. <br /> The State Water Resources Control Board passed Resolution 2009-0042 on May 19, 2009, that <br /> includes a resolve to reduce quarterly monitoring at underground storage tank cleanup sites to <br /> semi-annual or less frequent unless quarterly monitoring is warranted. Quarterly sampling of <br /> monitoring wells MW4, MW5 and MW6 is warranted because they are newly installed wells and <br /> confirmed data from them will be used to evaluate definition of the plume of contaminated <br /> groundwater and concentrations in the source area. Monitoring well MW3 can be placed on a <br /> semi-annual sampling frequency and monitoring wells MW1 and MW2 can be monitored on an <br /> annual frequency. <br /> If you continue to not be in compliance with directives for this site, it may be referred to the <br /> Central Valley Regional Water Quality Control Board for enforcement action. <br />