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Table 1 <br /> GROUNDWATER ELEVATIONS AND ANALYTICAL RESULTS <br /> • E-Z SERVE#100878 <br /> 1012 W Yosemite Avenue <br /> Manteca,California <br /> Other <br /> Well Sampling TOC DTW GWE SPH TPHg B T E X MTBE Oxygenates <br /> I.D Date (feet) (feet) (feet) (feet) (µg/L) (991L) (µ9/L) (µg/L) (gg(L) (µg(L) (µg/L) <br /> MW-8 9117/96 9805 1739 8066 000 <50 <0 5 <0 5 <0 5 <0 5 1 NA <br /> 12/10/96 9805 1457 8348 000 100 23 84 14 11 06 NA <br /> 4/15197 9805 1281 8524 000 <50 <0 5 <0 5 <0 5 <0 5 NA NA <br /> 6/20/97 9805 1374 8431 000 <50 <0 5 <0 5 <0 5 <0 5 ND NA <br /> 11/21/97 9805 1498 8307 000 NS NS NS NS NS NS NA <br /> 12/10/98 9805 1181 8624 000 <50 <0 5 <0 5 <0 5 <0 5 <5 0 NA <br /> 2/5101 9805 1345 8460 000 <50 <0 5 <0 5 <0 5 <0 5 <0 5 All ND <br /> Notes <br /> (1) Ethanol in the groundwater was determined to be from antifreeze spilled during car maintenance operations in Feb 2001 <br /> Aelt I I Well identification <br /> OC Top of well casing elevation <br /> I <br /> DTW Depth to groundwater <br /> GWE Groundwater elevation <br /> I I <br /> SPH Seperate-phase hydrocarbon thickness <br /> TPHg Total Petroleum Hydrocarbons as gasoline by EPA Method 801.5 (modified) <br /> BTEX Benzene, toluene,ethylbenzene and xylenes by EPA Method 8020 <br /> MTBE Methyl tert-butyl ether by EPA Method 8020 <br /> gg/L Micrograms per liter(parts per billion) <br /> NS Not Sampled <br /> NA Not analyzed <br /> <0 5 Compound not detected in concentrations exceeding specified method detection limits <br /> * No Purge <br /> I <br /> I <br /> I r <br /> I <br /> II I <br /> II I F <br /> EE I II <br /> I I I I I I I I I I I C I r I I Ir I I I I I I 1 ! I EI <br /> Page 3 of 3 l <br /> r I fl E <br />