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TABLE 1-SUMMARY OF RESULTS OF GROUNDWATER SAMPLING <br /> BP OIL COMPANY SERVICE STATION NO.11193 <br /> 3202 WEST HAMMER LANE,STOCKTON,CALIFORNIA <br /> ALISTO PROJECT NO.10-136 <br /> WELL DATE OF CASING DEPTH TO GROUNDWATER TPH-G TPH-D TPH B T E X MTBE HVOC DO LAB <br /> 1D SAMPLING/ ELEVATION (a) WATER ELEVA?]ON (b) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ppm) <br /> MONITORING (Feel) (Feet) (Feet) <br /> QC-2 (t) 04/64193 --- - ND<50 --- --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - PACE <br /> QC-2 (Q 10105193 --- --- ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - PACE <br /> QC-2 (1) 01107/94 - - - ND<50 --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 - PACE <br /> QC-2 (1) 04/20/94 - - ND<50 -- --- ND<0.5 ND<O.5 ND<0.5 ND<0.5 - - PACE <br /> QC-2 (t) 07128/94 - --- --- ND<50 --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - PACE <br /> OC-2 (1) 12!09194 - - ND<50 -- -•- ND<0.5 ND<0.5 ND<0.5 ND<1 - - PACE <br /> OC-2 (Q 03103!95 - ND<50 --- ND<0.50 ND<0.50 ND<0.50 N0<1.0 - - ATI <br /> QC-2 (Q 04112/95 - -- - ND<50 --- ND<0.50 ND<0.50 ND<0.50 ND<1.0 - - AFI <br /> OC-2 (1) 07120/95 - ND<50 -- --- ND<0.50 ND<0.50 ND<0.50 ND<1.0 - - ATI <br /> QC-2 (0 11/02/95 - ND<50 --- --• ND<0.5 ND<0.5 ND<0.5 ND<1.0 ND<5.0 - ATI <br /> QC-2 (1) 01116/96 --- --- - ND<50 -- --- ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<5.0 - ATI <br /> QC-2 (I) 04122/96 --- --- ND<50 - --- ND<0.5 ND<1 ND<1 ND<1 ND<10 - SPL <br /> QC-2 (n 07112/96 - ND<50 --- --- N0<0.5 ND<1 ND<1 ND<1 ND<10 - - SPL <br /> ABBREVIATIONS: NOTES: <br /> TPH-G Total petroleum hydrocarbons as gasoline (a) Casing elevations surveyed to the nearest 0.01 loot relawe to mean sea level. <br /> TPH-D Total petroleum hydrocarbons as diesel <br /> TPH Total petroleum hydrocarbons (b) Groundwater elevations in feet above mean sea level. <br /> B Benzene <br /> T Toluene (c) Blind duplicate. <br /> E Ethylbenzene <br /> X Total xylenes (d) Sample pattern does not match gasoline standard pattern. <br /> MTBE Methyl tett butyl ether <br /> HVOC Halogenated volatile organic compounds (e) Detection limits vary;see laboratory report. <br /> DO Dissolved oxygen <br /> ugA Micrograms per liter (1) Travel blank. <br /> ppm Parts per million <br /> Not measured/anatyzed/epplicable <br /> ND Not detected above reported detection limit <br /> PACE Paco,Inc. <br /> ATI Analytical Technologies Inc, <br /> SPI. Southam Petroleum Laboratories <br /> F 1P10.179 i 3 0-fr t.W Q 2 <br /> 09-SOP-96 PAGE 4 <br />