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TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration L
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date feet feet feet feet Benzene Toluene benzene X lenes TPH- MTBE
<br /> <2 5*
<br /> SW2 03/24/03 7 53
<br /> 380
<br /> SW2 06/11/03 753 1873 -1120 000 2,570 20 0 62 0 22 0 6'770 h <0
<br /> SW2 06/11/03 753
<br /> 804
<br /> SW2 09/17/03 753 2014 -1261 000 2,170 27 5 87 6 40 8 7,840 h <0 5*
<br /> SW2 09/17/03 753139
<br /> SW2 12/08/03 7 53 20 10 -12 57 0 00 1,190 10 4 40 2 109 5,820 h <0 5*
<br /> SW2 12/08/03 753
<br /> SW2 03/02/04 753 1862 -1109 000 1,080 80 320 90 5,710 h <-
<br /> SW2 06/28/04 753 1992 -1239 000 -- -- -- "' -- `
<br /> 06/29/04 7 53 -- 1,190 140 370 220 4,680 h <0 5*
<br /> SW2 � -- -- ._ --
<br /> SW2 09/27/04 753 2074 -1321 000 -- -- -- --
<br /> SW2 09/28/04 753 -- -- -- 1,680 225 775 37 5 9,730 h <0 5*
<br /> SW2 12/01/04 753 2033 -1280 000 -- '-
<br /> 12/02/04 7 53 -- 1,290 162 548 237 2,570 h <0 5*
<br /> SW2 ) "" --
<br /> UVB-MW 1 02/28/97 742 1867 -- 000 7,200 18,000 2,000 11,000 99,000 1,100
<br /> UVB-MW 1 05/08/97 742 1876 -1134 000 5,900 15,000 1,800 9,000 86,000 <200*
<br /> 00*
<br /> UVB-MW i 05/08/97 742
<br /> UVB-MW 1 d 08/26/97 7 42 20 50 -13 08 000 700 18 19 42 2,400 77
<br /> UVB-MW1 10102!97 742 -- -- -- 1,200 1,400 240 2,400 17,000 300
<br /> 200
<br /> UVB-MWI 11/11/97 7 42 21 10 -13 68 0 00 9,400 16,000 2,300 11,000 91,000 1200*
<br /> UVB-MW 1 11/11/97 742
<br /> UVB-MW 1 03/03/98 742 1555 -8 13 000 13,000 36,000 3,600 18,000 140,000 <200
<br /> UVB-MWI 03/03/98 742
<br /> UVB-MW 1 05/20/98 742 1523 -781 000 12,000 32,000 3,500 19,000 140,000 `13300
<br /> UVB-MW 1 05/20/98 742
<br /> UVB-MW 1 08/19/98 742 1698 -956 000 13,000 22,000 2,900 14,000 100,000 <100*0
<br /> UVB-MW 1 08/19/98 742
<br /> UVB-MWI 11/18/98 742 1720 -978 000 12,000 27,000 3,200 16,000 100,000 11,000
<br /> UVB-MW 1 03/30/99 742 1631 -889 000 11,600 25,400 3,390 17,200 144,000 <400
<br /> UVB-MW 1 05/05/99 742 1629 -887 000 14,200 28,800 3,360 17,600 105,000 238
<br /> WB-MW 1 08/20/99 742 1700 -958 000 9,330 19,300 2,890 16,300 104,000 1,970
<br /> UVB-MWI 12106199 742 1732 -990 000 11,000 26,000 3,500 18,800 130,000 <500
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