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December 3,2009 <br /> Project: 62403335 <br /> Mr.James Barton, P.G. <br /> California Regional Water Quality Control Board <br /> Central Valley Region <br /> 11020 Sun Center Drive,#200 <br /> Rancho Cordova,California 95670-6114 <br /> (916)464-4615 <br /> Subject: Monitoring Well Installation and BioSparge Evaluation Report <br /> Reference: Former Colombo/Toscana Bakery <br /> 1444 South Lincoln Street <br /> Stockton, California 95206 <br /> ' RWQCB Case Number: 390825 <br /> Dear Mr. Barton: <br /> On behalf of Sara Lee Bakery Group, Inc. (Sara Lee), PSC Industrial Outsourcing, LP <br /> (PSC) is submitting this Monitoring Well Installation and BioSparge Evaluation Report <br /> (Report). The Report was prepared in accordance with the April 29, 2009 <br /> correspondence from the Central Valley Regional Water Quality Control Board <br /> (CVRWQCB). This Report describes the installation of two monitoring wells and the <br /> evaluation of the analytical data collected during the installations and the pilot testing <br /> performed offsite, but within the commingled plume to further evaluate biosparge as a <br /> remedial alternative at the above referenced project site. <br /> PSC has prepared and uploaded the Report into the GeoTracker database system on <br /> December 3, 2009. Please feel free to call John Carrow or myself with any questions <br /> concerning the Report. <br /> Respectfully, <br /> ' PSC Industrial Outsourcing, LP <br /> ��[i�✓t C'r�cSC/� <br /> Paul Anderson <br /> Project Manager <br /> S�NSlWnl.Nnjma'LalilvoiaSurlloo("'. .1 .w S.MK'M W.MW Imultm l4px MIXNI2W-KIW lavAlaIMn h MaS"W Evilmum Ra CwalAT- <br /> CVRWWBa <br /> C.C. Matt Gabris—Sara Lee Bakery Group,Inc. <br /> I <br /> Margaret Lagorio—San Joaquin County Environmental Health Department Jennifer Jordan—State Water Resources Control Board,UST Clean Up Fund <br /> Edward Overton—Property Owner <br /> PSC INDUMIAL OUTSOURCING,LP <br /> 210 Wat Sand ftA Rood.Columbia,IL 62-136 <br /> 16181281-1543 (800)733-7173 FM(618)281-7020 <br /> 1 <br />