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RECO, D <br /> Nov L/// coos <br /> ENpERM4TIS RVH <br /> ICES R <br /> APEX <br /> 11244 PyrrtesWoy -Gold River,CA 95670 <br /> ENV ] ROTE C H , INC . Phone 916 8510174 • Fox 916 8510177• Toll Free 1 800 242 5249 <br /> November 3, 2005 <br /> Mr Michael Infurna <br /> San Joaquin County Environmental Health Department <br /> 304 East Weber Avenue, 3rd Floor <br /> Stockton, California 95202 <br /> Subject Monitoring Well MW-4A and MW-4B SampliDg Results <br /> Flag City New West #1003 <br /> 6437 West Banner Street, Lodi, California 95242 <br /> Apex Project No NWPOI 004 <br /> Dear Mr Infurna <br /> Apex Envirotech, 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 October 24, 2005 and analyzed for the <br /> • following <br /> Analysis I Abbreviation I Designation 11SEPA Method No <br /> Total Petroleum Hydrocarbons Gas Range <br /> as Gasoline TPHg Hydrocarbon 801 5M <br /> Tertiary Butyl Alcohol I TBA Fuel 82606 <br /> Methyl Tertia Bu I Ether MTBE Oxygenates <br /> Results from the well samplings are included in the attached table The Iaboratory report and <br /> chain-of-custody form are included as an Detachment <br /> Analytical results showed below detection limits for well MW-4A, which is typical for the well <br /> and well MW-4B had a detection of MTBE which was within historical range <br />