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' i 2005 <br /> /// ENV'-,)';;..'C-0 HEALTH <br /> • APEX PE [:ileslk,: V1cEs <br /> i 1144 f'yrdes'�irZy • Gold River,(A 95510 <br /> ENVI ROTE C H , 1 N ( . Phone 916 8510174 • fox 916 851 0111. TO free 1 800 242 5249 <br /> November 11, 2005 <br /> Mr Michael Infurna <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue, 3"' Floor <br /> Stockton, California 95202 <br /> Subject Monitoring Well :BIW-4A and INIW-413 Sampling Results <br /> Flag City New West 41003 <br /> 6437 West Banner Street, Lodi, California 95242 <br /> Apex Project No NWPO1 004 <br /> Dear Mr Infurna <br /> Apex Envirotcch, Inc (Apex) has been authorized by New West Stations (New West) to submit <br /> the weekly sampling results of offsite downgradient monitoring wells MW-4A and MW-4B <br /> (Figure 1) Groundwater samples were collected on November 3, 2005 and analyzed for the <br /> following <br /> Analysis Abbreviation Designation USEPA Method No <br /> Total Petroleum Hydrocarbons Gas Range <br /> as Gasoline TPHg Hydrocarbon 8015M <br /> Tertiary Butyl Alcohol TBA Fuel 8260E <br /> Methyl Tertia Butyl Ether MTBE Oxygenates <br /> Results from the well samplings are included in the attached table The laboratory report and <br /> chain-of-custody form are included as an attachment <br /> Analytical results showed below detection limits for well MW-4A, which is typical for the well <br /> and well MW-413 had a detection of MTBE which was within historical range <br /> • <br />