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Table 2. Groundwater Analytical Data <br />Chevron Station #9-3232 <br />8660 Lower Sacramento Road <br />Stockton, California <br />Sample Sample TPHg Benzene Toluene Ethylbenzene Xylenes MtBE1 <br />ID Date (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br />TK -water 3/11/99 <50 <0.50 <0.50 <0.50 0.97 5.5/6.0 <br />Explanation: <br />TPHg = Total Petreoleum Hydrocarbons as gasoline <br />BTEX = Benzne, toluene, ethylbenzene and xylenes <br />ppb = parts per billion <br />MtTBE = Methyl tert-butyl ether <br />ND = none detected <br />Analytical Methods: <br />TPHg/BTEX/MTBE: EPA Methods 5030/8015 Mod./8020 <br />Analytical Laboratory <br />Sequoia Analytical (FLAP #1271) <br />Notes: <br />' Reported as MtBE by EPA Method 8020/EPA Method 8260. Sample also analyzed <br />by EPA Method 8260 for ethanol, tert-butalnol, di -isopropyl ether, ethyl tert-butyl ether <br />and tert-amyl methyl ether. All analytes reported as not detected. <br />346463.03 Page 4 of 4 <br />11 <br />