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t <br /> FROM : Ground Zero Analysis U PHONE N0. 209 838 9883 Feb. 12 2004 09:51AM P2 <br /> GROUND ZERO ANALYSIS,INC. <br /> 1714 Main Street <br /> Escalon,California 95320-1927 <br /> Telephone:(209)830-9888 <br /> FReSIlnlle:(2.09)838-9883 <br /> February 12,2004 <br /> Mr.Jaynes L.L.Barton <br /> Regional Water Quality Control Board <br /> Central Valley Region <br /> 1.1020 Sun.Center Drive,##200 <br /> Sacramento,CA 95670 <br /> Subject: Weekly Progress Update <br /> Speedy Foods,8200 N.Highway 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 Febnmry 1 through February 9,2004. <br /> The system operated continuously during the reporting period, but was automatically shut down and re- <br /> started by the fluid level switches due to draw-down in the extraction well. The measured flow rate during <br /> the site visit was 1.5 gallons per minute(gpm). The average flow rate during thy:reporting period was 1.2 <br /> gpm. Approximately 116,967 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 Cl, C2, and the treatment system influent (TNF) and effluent (EFF) on <br /> February 9, 2004 and analyzed for the full constituent list required in the Waste Discharge Requirements <br /> (WDRs). No VOCs were detected in the samples collected from Cl, C2, or EFF. The results of the <br /> additional analyses are expected sbortly. <br /> Tables 1 and 2, attached, summarize treatment system flow and anaiytica.l data collected to date. Please <br /> contact Jobn Lane at(209)838-9888 if you have any questions regarding this submittal_ <br /> Respectfully, <br /> Ground Zero Analysis,Inc. <br /> Jo .Lane <br /> CA Registered Geologist No. 6795 <br /> cc: Mr.Jeffrey Wong,San Joaquin County Environmental Health Department <br /> Mr.Ray Baglietto/Mr.Frank Rauri <br /> �h <br />