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qmmmv� � � � � � � W mv� � <br /> TABLE i GAUGING DATA AND ANALYTICAL RESULTS, FORMER EXXON RS 7-3942, STOCKTON, CALIFORNIA, 1987-1993 <br /> Casing Depth Groundwater LPH Concentration ( /L <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> ) <br /> � <br /> No Date (ft msl) (ft) (ft msl) (ft) Benzene Toluene benzene Xylenes TPH- <br /> IW1 01/30/91 7 80 30 22 -22 42 0 00 240 44 350 820 3,500 <br /> 05/02/91 30 11 -22 31 0 00 150 25 230 520 2,500 <br /> 07116-17191 31 07 -23 27 0 00 NS NS NS NS NS <br /> 10/15/91 31 65 -23 85 000 120 36 280 390 3,400 <br /> 01/28/92 29 91 -22 11 000 130 25 330 500 3,600 <br /> 04/30/92 29 49 -21 69 0 00 NS NS NS NS NS <br /> 08/13/92 31 53 -23 73 0 00 19 3 7 50 70 650 <br /> 10/08/92 32 13 -24 33 000 NS NS NS NS NS <br /> 02/23/93 28 78 -20 98 0 00 NS NS NS NS NS <br /> 05/18/93 -- -- -- NS NS NS NS NS <br /> 08/22/93 27.70 -19.90 0.00 NS NS Ns NS NS <br /> MW1 01187 7 76 -- -- -- <1 <1 NA < 1 <50 <br /> 07/16/87 17 44 -9 68 1 32 <0 5 1 5 <0 5 <0 50 < 100 <br /> 04/11/88 2051 -1275 000 <05 <05 <05 <05 <100 <br /> 09/13/88 22 18 -14 42 000 1 9 2 5 <0 5 <0 5 70 <br /> 11/16/88 23 07 -1531 000 <0 5 95 <0 5 <0 5 130 <br /> 02/09/89 22 64 -14 88 0 00 1 7 0 2 0 2 0 6 <250 <br /> 05/31/89 2926 -21 50 0 00 <0 5 <0 5 <0 5 08 <250 <br /> 08/17/89 25 87 -18 11 0 00 <0 5 <0 5 <0 5 <0 5 <250 <br /> 12/19/89 29 22 -21 46 0 00 <0 5 1 9 <0 5 <0 5 <250 <br /> 03/21/90 27 46 -19 70 000 <05 <0 5 0 8 2 9 80 <br /> 05/17/90 2824 -20 48 000 <0 5 4 5 <05 <0 5 120 <br /> 09/25/90 29 59 -21 83 000 <0 5 7 0 1 0 4 7 170 <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 /> XCLn3942(2)lQS93lrl 1 Page 1 <br />