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MAR-24-2000 14 26 CAMBRIA 510 420 9170 P 01/14 <br /> C A M B R I A <br /> To: Mr. Dale Ramey TRANSMITTAL <br /> City of Ripon <br /> fax: (209) 599-2685 <br /> Re: REQUEST TO DISCHARGE <br /> Treated Wafer to Sanitary <br /> Sewer from Ground Water <br /> Remediation System <br /> Shell-branded Service Station <br /> 341 East Main <br /> Ripon, California <br /> Date: Friday, March 24, 2000 <br /> Mr Ramey - <br /> Cambria startled the groundwater remedtation system at the Shell-branded service station at 341 East <br /> Main in Ripon, California on a temporary basis on March 13, 2000 We pumped from well EW-1, <br /> through our treatment system, into an onsite storage tank onsite for a penod of two days <br /> Approximately 17,000 gallons of water were processed dunng this period <br /> We collected two sets of samples during the system operation - One set on the day of startup, <br /> March 13, 2000, and a second set before shutting the system down on March 15, 2000 Four <br /> samples were taken on each occasion— 1-1 (influent), A-1 (after the first carbon filter vessel), B-1 <br /> (after the second carbon filter vessel), and E-1 (effluent, after the third carbon filter vessel) The <br /> samples were analyzed for TPHg, BTEX,and fuel oxygenates <br /> The analytical results from the sampling are attached The analyses showed no detectable levels of <br /> hydrocarbons or fuel oxygenates in the effluent from the system <br /> Cambria would like to discharge the treated water to the sanitary sewer as soon as practicable <br /> Oakland, CA Please call me at (510) 420-3316 If you have any From the desk of <br /> Sonoma CA questions <br /> Portland, OR Owen C.Ratchye, P.E. <br /> Seattle, WA Senior Project Engineer <br /> Owen Ratchye6Z2EI, Cambria Environmental Technology, Inc <br /> Cambria 1144 65th Street, Suite C <br /> Environmental Oakland, CA 94608 <br /> Technology, Inc Ce Ron Rowe, San Joaquin County Environmental <br /> Health Department(209)468-3433 (510)420-3316 <br /> *1144 65th Street Fax (5 10) 420-9170 <br /> Suite 8 <br /> Oakland, CA 94608 <br /> Tel (Sio)4ao-0709 <br /> Fax(Sia)420-9170 <br />