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i <br /> fM <br /> I <br /> i <br /> / APEX 11244 P rtes Wo • Gold River CA 95670 <br /> E N V I R 0 T E C H , 1 N C . Phone 916 8510174 Fox 916 8510177. Toll Free 1 800 242 5249 <br /> May 24 2006 <br /> � 1 <br /> Mr Michael Infurna v� <br /> San Joaquin County Environmental Health Department JUN 1 2 IOUb to <br /> 304 East Weber Avenue, 3`d Floor -.9 <br /> Stockton, California 95202 ENVIRONMEiq I HEALTH tV 1 <br /> PERMITtSERKES Q <br /> Subject Production Well Sampling Results-May 2006 Q <br /> Flag City New West #1003 Q <br /> 6437 West Banner Street, Lodi, California 95242 Q <br /> Apex Project No NWPO1 004 W <br /> X <br /> Dear Mr Infurna - <br /> Apex Envirotech, Inc (Apex) has been authorized by New West Stations (New West) to submit <br /> 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 May 17, 2006 <br /> and analyzed for the following <br /> Analysis Abbreviation Designation I IJSEPA Method No <br /> Total Petroleum Hydrocarbons TPH Gas Range <br /> as Gasoline g Hydrocarbon <br /> Benzene Aromatic <br /> Toluene BTEX Volatile <br /> Eth (benzene Organics <br /> Xylenes (Total) <br /> Tertiary Buy Alcohol TBA 8260E <br /> Methyl Tertiary Bu ll Ether MTBE <br /> Di-isopropyl Ether DIPS <br /> Seven F=uel <br /> Ethyl Tertiary Butyl Ether ETBE <br /> TertiaryAmyl Methyl 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 form <br /> . Apex recommends continued monthly sampling of the CSA wells <br />