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7 <br /> FRaCI Ground Zero Analysis PHONE N0. 209 839 9883 Feb. 02 2004 03:24PM P2 <br /> E <br /> R <br /> GROUND ZERO ANALYSIS,INC. <br /> 1114 Main Street <br /> Escalon,California 95320-1927 <br /> Telephone:(209)$38-9888 <br /> Facsimile:(209)$38-9883 <br /> February 2,2004 <br /> lblr.James L.L.Barton <br /> Regional Water Quality Control Board <br /> Central Valley Region <br /> 11020 Sun Center Drive,#200 <br /> Sacramento, CA 95670 <br /> Subject: Weekly Progress Update <br /> Speedy Foods, 8200 N.Flighway 99,Stockton,CA <br /> Dear Mr.Barton: <br /> Pursuant to your letter dated December 3, 2003, the following summarizes system operation during the <br /> period January 24 through January 31,2004. <br /> The system operated continuously during the reporting period, but was automatically, shut down and re- <br /> start',ed by the fluid level switches due to draw-down in the extraction well. The measured flow rate during <br /> the site visit was 1.7 gallons per minute(Spm)_ The average flow rate during the reporting period was 1.0 <br /> gpm_ Approximately 99,500 gallons of groundwater has been treated through the carbon units since the <br /> carbon was replaced on December 1,2003. <br /> Samples were collected from C1, C2, and the treatment system effluent (EFF) on January 30, 2004 and <br /> analyzed for volatile organic constituents (VOCs) including oxygenated gasoline additives. Samples <br /> collected from the effluent were also analyzed for the full constituent list required in the Waste Discharge <br /> Requirements(WDRs). No VOCs were detected in the samples collected from C1,C2,or EFF. The results <br /> of the additional analyses on the effluent sample have not yet been received from the laboratory. <br /> Pursuant to your email correspondence dated January 6, 2004, effluent and intermediate (Cl, C2) samples <br /> will be collected weekly, and influent samples will be collected monthly. Tables 1 and 2, attached, <br /> summarize treatment system flow and analytical data collected to date. please contact John bane at(209) <br /> $38-988$ if you have any questions regarding this submittal_ <br /> Respectfully, <br /> Ground Zero Analysis,Inc. <br /> John P.Lane <br /> CA Registered Geologist No.6795 <br /> cc: Mr.Jeffiey Wong,San Joaquin County Environmental Health Department <br /> Mr.Ray Baglietto84r.Frank Rauzi <br />