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' Table 1 <br /> Groundwater Elevations and Sample Analytical Results <br /> Former E-Z Serve Location No 100966 <br /> 2537 Waterloo Road,Stockton, California <br /> i <br />' DTW =Depth to water measured from top of casing <br /> GWE =Groundwater elevation as referenced to benchmark in feet above mean sea level <br /> PSI-] =Phase Separate Hydrocarbon thickness <br />' TPHg =Total Petroleum Hydrocarbons as gasoline(EPA Method 8015) <br /> B =Benzene(EPA Method 602 or 802011) <br /> T =Toluene(EPA Method 602 or 8020/1) <br /> E =Ethylbenzene(EPA Method 602 or 802011) <br />' X =Total Xylenes(EPA Method 602 or 802011) <br /> MTBE=Methyl t-Butyl Ether(EPA Method 8020 or 802 1) <br /> µg/L=Micrograms per liter(--parts per billion) <br /> <=Sample reported as"not detected,"in previous tables,reporting limit not known <br />' =if PSH present,corrected GWE=TOC-Measured DTW+Corrected PSH <br /> Thickness(PSH Thickness x gas density[0 75 g/cc]) <br /> z =MTBE analysis performed by EPA,Method 8260 beginning on November 6,2001 <br /> --=Not measured,surveyed,sampled,or analyzed <br /> 1 <br /> I <br /> I <br /> i <br /> I <br /> I <br /> • <br /> I <br /> Page 5 of 5 <br />