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TABLE 1 - <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> QUIK STOP MARKET NO. 132 <br /> 2555 WEST HAMMER LANE <br /> STOCKTON, CALIFORNIA <br /> Well Groundwater <br /> Ethyl- Total Elevation Depth to Elevation <br /> Sample Date TPH-G Benzene Toluene benzene Xylenes c02 (ft above Groundwater (ft above <br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) (ppm) MSL) (feet) MSL) <br /> MW-7 03/25/94 <50 <0.50 <0.50 <0.50 <0.50 3.22 13.25 -10.03 <br /> {continued) <br /> 06/21/94 <50 <0.50 <0.50 <0.50 <0.50 13.21 -9.99 <br /> 09/13/94 <50 <0.50 <0.50 <0.50 <0.50 13.65 -10.43 <br /> 12/09/94 <50 <0.50 <0.50 <0.50 <0.50 14.02 -10.80 <br /> 03/16/95 <50 <0.50 <0.50 <0.50 <0.50 11.60 -8.38 <br /> 06/22/95 <50 <0.50 <0.50 <0.50 <0.50 11.80 -8.58 <br /> 09/26/95 <50 <0.50 <0.50 <0.50 <0.50 740 12.65 -9.43 <br /> 12/21/95 <50 <0.50 <0.50 <0.50 <0.50 700 12.55 -9.33 <br /> Notes: <br /> TPH-G denotes total petroleum hydrocarbons as gasoline. <br /> 6/100 denotes ml bacteria per 100 ml <br /> MTBE denotes methyl-tert•butyl-ether <br /> NR denotes analysis not requested <br /> ppb denotes parts per billion Lug/L) <br /> ppm denotes parts per million (mg/1) <br /> NA denotes data not available <br /> < denotes not detected above listed detection limit for the method <br /> ft denotes Feet <br /> MSL denotes mean See Level <br /> CO,denotes carbon dioxide <br /> sample nmber in bold font denotes quarterly groundwater sampling <br /> Sample number in nonbold font denotes groundwater sampling before and after quarterly pumping of Monitoring Well MW-5 <br /> • <br /> ,IV,W: 4.2791RESULTS.TBL/Jon 29,961 Page 10 of 10 <br />