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. TABLE I <br /> SUMMARY OF SOIL ANALYTICAL RESULTS (MONITORING WELLS) <br /> TOTAL PETROLEUM HYDROCARBONS AS GASOLINE AND DIESEL <br /> OXYGENATES AND VOCs <br /> Boring Number Sample EPA Method EPA Method EPA Method 8260 MTBE, EPA Method 8020 BTEX(uglk <br /> Monitorin Wf�� Depth 8015 Gasoline 8015 Diesel ETBE TAME DIPE TBA <br /> g (FeeO (mglkg)ppm (mglkg)ppm Ethanol,Methanol and 8260 VOCs(uglkg)ppb <br /> (mglkg)ppm EDB and EDC <br /> MW0-1X010' 10 ND NA ND NA <br /> MWQL1X020' 20 ND NA 037 MTBE NA <br /> MWOL1X030' 30 ND NA ND NA <br /> MWO-1010' 10 ND NA ND NA <br /> i <br /> MWO-1010' 20 ND NA ND ND <br /> MWO-2010' 10 ND NA ND ND <br /> MWO-2020' 20 N D NA N D N D <br /> MWO-3010' 10 ND NA ND ND <br /> �i MWO-3020' 20 ND NA ND ND <br /> Note ND - Not Detected at Method Detection Limits <br /> NA — Not Analyzed <br /> Detection Limits Vanes depending on Laboratory used <br /> 5.3 Laboratory Analytical Results (Groundwater) <br /> Groundwater samples were analyzed for petroleum hydrocarbons and BTEX by <br /> EPA Modified Method 8015/8020, Oxegenate Compounds and lead scavengers <br /> by EPA method 8260 (See Scope of Work, Appendix II) <br /> Groundwater samples collected at the subject property showed elevated levels of <br /> MTBE in monitoring wells MWO-1X (deep well) and_m previously sampled wells <br /> MW-1, MW-2, MW-3 and MW-4 The MTBE level In MWO-1X was 570 ppb <br /> This newly constructed deep well Is located approximately twenty feet <br /> downgradient to the contamination source on the subject property The other <br /> newly constructed wells MWO-1, MWO-2 and MWO-2 were non detect for all <br /> Avalon Environmental Consultants 9627-001 7 <br /> Joe's Truck Plaza 15600 5 Harlan Road <br /> May 15 2002 Lathrop California <br /> 8 <br />