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'AST 1 <br /> W TF E 'WOO LA NI T , C 95776-600. <br /> A-TF C`-N T:RACTCI 5_;73857 ¢�.z (6 Q�6(2-02 0 0 <br /> r;Gxai=.P r C-'F-ILCII4XST S <br /> r „yr ` T <br /> �� ^i net <br /> _ .:.._.�._ ,ems=� �.�.�_----__.__—�.=�=,-,�_��• <br /> Mr Rzchaid Stifflea Octobei 7 2005 <br /> Environmental Contiol Section <br /> Department of AlTunicipai Utzlztzes <br /> City of Stockton <br /> 2500 Navy Dzive <br /> Stockton, CA 95206-1191 <br /> (209) 937-8740 Fax (209) 937-8708 <br /> RE Septembez 2005 sewer discharge report for 1876 Countiy Club Blvd , Stockton, CA <br /> Dear Mr Stiffler <br /> The following is the required monthly zeport documenting sewez discharge activities <br /> fiom 1876 County Club Blvd , Stockton, California On May 23, 2005 a zevzszon to <br /> tzeatment system was submitted to your office discussing modifications to the treatment <br /> system foi removal of TBA Westeun Geo-Engineers completed the modifications to the <br /> tieatment system and restarted the system on August 25, 2005 Dischaige from the 5th <br /> water carbon was diverted into a 22,000 gallon capacity Baker tank, with no discharge to <br /> sewer A sample of the discharge treated water was obtained after 16,911 gallons had <br /> been processed to deteimine if the treatment system modifications are successful zn <br /> removing TBA This sample dated September 12, 2005 was analyzed for pH (EPA <br /> 150 1), Total Petroleum Hydzocazbons (EPA 418 1), BTEX, MTBE, TBA, DIPS, ETBE <br /> and TAME (EPA 8260), Total metals Cd, Ci, Cu, Pb, Ni and Zn (EPA 200), and Total <br /> Toxic Ozganzes (EPA 624 and 625) All sewer discharge parameters weze met Fzozn <br /> Septembez 21 thzu September 23, 2005 16,860 gallons of the 16,911 gallons stored in the <br /> Bakez Tank were discharged to the sanitary sewer Pumping fiom excavation well <br /> MW 10 through the treatment system into the Baker Tank occuzred on Septembez 28 and <br /> 29, 2005 Cuzzently the 22000 gallon Baker Tank contains 16,623 gallons of treated <br /> gzoundwater This watez has not been discharged to sewer, see Table 1 and field notes <br /> As of Septembez 30, 2005 247,174 gallons of tzeated groundwatez has been discharged to <br /> the sanitary sewez <br /> I cez tzfy under penalty of law that this document and all attachments wez e px epared undez <br /> zny dizectzon oz supezvzsion it accordance with a systenn designed to assure that qualified <br />