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mmv� � � � � � � W � � � � � � Mob <br /> TABLE 1 GAUGING DATA AND ANALYTICAL RESULTS,FORMER EXXON RS 7-3942,STOCKTON,CALIFORNIA, 1987-1994 <br /> Casing Depth Groundwater LPH _ Concentration (pp,/1.) _ <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date ft msl ft ft ms1) ft Benzene Toluene benzene Xylenes. TPH- <br /> IW 1 01/30/91 7 80 3022 -2242 000 240 44 350 820 3,500 <br /> 05/02/91 3011 -2231 000 150 25 230 520 2,500 <br /> 07/16-17/91 3107 -2327 000 NS NS NS NS NS <br /> 10/15/91 3165 -23 85 000 120 36 280 390 3,400 <br /> 01/28/92 2991 -2211 000 130 25 330 500 3,600 <br /> 04/30/92 2949 -2169 000 NS NS NS NS NS <br /> 08/13/92 3153 -2373 000 19 3 7 50 70 650 <br /> 10/08/92 32 13 -2433 000 NS NS NS NS NS <br /> 02/23/93 2878 -2098 000 NS NS NS NS NS <br /> 05/18/93 -- -- -- NS NS NS NS NS <br /> 08/22/93 2770 -1990 000 NS NS NS NS NS <br /> 12/30/93 27 50 -1970 000 NS NS NS NS NS <br /> 02/17/94 27 17 -1937 000 NS NS NS NS NS <br /> 05/10/94 2886 -1906 000 41 77 180 230 2,000 <br /> 08/02/94 28.29 -20.49 0.00 55 38 210 240 2,100 <br /> MW I 01/87 776 -- -- -- <1 <1 NA <1 <50 <br /> 07/16/87 17 44 -968 132 <0 5 1 5 <0 5 <0 50 <100 <br /> 04/11/88 2051 -1275 000 <0 5 <0 5 <0 5 <0 5 <100 <br /> 09/13/88 22 18 -1442 000 19 25 <0 5 <0 5 70 <br /> 11/16/88 2307 -1531 000 <0 5 9 5 <0 5 <0 5 130 <br /> 02/09/89 2264 -1488 000 17 0 2 0 2 06 <250 <br /> 05/31/89 2926 -2150 000 <0 5 <0 5 <0 5 0 8 <250 <br /> 08/17/89 2587 -18 11 000 <0 5 <0 5 <0 5 <0 5 <250 <br /> 12/19/89 2922 -2146 000 <0 5 19 <0 5 <0 5 <250 <br /> 03/21/90 27 46 -1970 000 <0 5 <0 5 0 8 2 9 80 <br /> 05/17/90 28 24 -2048 000 <0 5 4 5 <0 5 <0 5 120 <br /> 09/25/90 2959 -2183 000 <0 5 7 0 10 47 170 <br /> 12/19/90 Dry NS NS NS NS NS <br /> 01/30/91 Dry NS NS NS NS NS <br /> 05/02/91 Dry NS NS NS NS NS <br /> 07116-17191 Dry NS NS NS NS N5 <br /> 10/15/91 2995 -22 19 a 000 NS NS NS NS NS <br /> XCL73942Q894T1 t Page I <br />