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. � l <br /> [� L U' <br /> 4 <br /> r <br /> AFP 1 3 2006 <br /> • <br /> ENVI <br /> /PAPEXPERPOIT/SERVICESI;�����E��T ��EALIH - <br /> 11244 Pyrites Way o Gold River,CA 95670 <br /> E N V 1 R 0 T E C H , 1 N C . Phone 916 8510174 m Fox 916 8510177 Toll Free 1 800 242 5249 <br /> April 10, 2006 <br /> Mr Michael Infurna <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue, 3`d Floor <br /> Stockton, California 95202 <br /> Subject Production Well Sampling Results-March 2006 <br /> Flag City New West #1003 <br /> 6437 West Banner Street, Lodi, California 95242 <br /> Apex Project No NWPO1 004 <br /> Dear Mr Infurna <br /> Apex Envirotech, Inc (Apex) has been authorized by New West Stations (New West) to submit <br /> it the sample results of County Service Area (CSA) production wells CSA-31-1 and CSA-31-2 <br /> located on De Broggi Road The sampling is in response to a San Joaquin County Environmental <br /> Health letter dated September 16, 2005 Groundwater samples were collected on March 24, 2006 <br /> and analyzed for the following <br /> 0 <br /> Analysis Abbreviation Designation USEPA Method No 0 <br /> Total Petroleum Hydrocarbons TPH Gas Range <br /> as Gasoline g -Hydrocarbon <br /> Benzene <br /> j TAromatic <br /> Toluene <br /> EBTEX Volatile <br /> th (benzene <br /> Xylenes Tota! - Organics <br /> Terha Bu!yl Alcohol TBA 8260B <br /> Methyl Tertia But! Ether MTBE <br /> Di-isopropyl Ether DIPE Seven Fuel <br /> Ethyl Tertiary Butyl Ether , ETBE <br /> TertiaryAmyl Meth Ether TAME Oxygenates <br /> Ethanol <br /> Methanol <br /> Results were below detection limits for the above listed constituents The results have been <br /> tabulated and included as an attachment Also attached are the laboratory report and chain-of- <br /> custody <br /> hain-ofcustody form <br /> Apex recommends continued monthly sampling of the CSA wells <br /> 1 <br />