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i <br /> I <br /> M5 <br /> CITY OF S' TOCKTON <br /> DEPARTMENT OF MUNICIPAL UTILITIES <br /> 2500 Navy Drive • Stockton,CA 95,206-1191 • 209/937-87$0 a Fax 209/937-8708 <br /> www.stocktongov.com <br /> May 13, 2009 VIA CERTIFIED MAIL <br /> Certified Article Number <br /> Clyde Hebbron, Consultant <br /> Upgradient Environmental Consultants <br /> 3369 Kimberly Road <br /> Cameron Park, CA 95682' <br /> GROUNDWATER DISCHARGE PERMIT APPLICATION—800 EAST MAIN STREET <br /> I have reviewed your application for groundwater discharge, dated April 13, 2009, for <br /> the remediation project located at Valley Motors Garage, 800 East Main Street, <br /> Stockton. Your request for discharge on a continuous basis as specified in 'your <br /> application is hereby denied. <br /> Groundwater containing source concentrations of Tetrachloroethene (PCE) and <br /> Trichloroethene (TCE) is prohibited from discharge to the sanitary sewer system on a <br /> continuous pump and treat basis. Discharge of groundwater containing these <br /> constituents will be considered for approval using a batch treat, test, and release <br /> system only. I will reconsider your request for discharge if an amended application is <br /> submitted indicating such. Otherwise, an alternative disposalmethod other than <br /> sanitary sewer discharge or in-situ treatment may be necessary to remediate the <br /> groundwater from this site. <br /> If you have any questions regarding this matter, please contact Richard K. Stiffler, <br /> Technical Services Supervisor,at(209) 937-8740. <br /> MARK J. MADISON <br /> DIRECTOR OF MUNICIPAL UTILITIES <br /> MJM:RKS:mtl <br /> Stockton <br /> ::ODMAIGRPWISE\COS.MUD.MUD Library:132603..1 <br /> 11,111 <br /> 99 <br /> 1 <br /> 19999 <br /> i <br /> f <br />