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<br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE, STOCKTON,CALIFORNIA
<br /> Casing Depth Groundwater LPH Concentration )
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date feet (feet) feet (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> <5*
<br /> VI 09/17/03 758
<br /> VI 12/08/03 758 2010 -1252 0 00 3,030 8,020 2,440 9,010 62,600 h 250
<br /> <5*
<br /> V1 12/08/03 7 58
<br /> V1 03/02/04 758 1875 -11 17 000 3,580 10,100 3,080 12,600 70,100 h 935
<br /> <10*
<br /> VI 03/02/04 758
<br /> V1 06/28/04 758 1981 -12 23 000 -- --
<br /> VI
<br /> -
<br /> 06/29/04 7 58 - -- 2,460 9,300 2,150 9,370 57,400 h <0 5*
<br /> V 1 } -- - _
<br /> VI 09/27/04 758 2070 -13 12 000 -- -- -- -- --
<br /> VI 09/28/04 758 -- 2,980 8,820 2,360 9,500 57,600 h <0 5*
<br /> VI 12/01/04 758 2032 -1274 000 -- -- -- ""
<br /> VI 12/02/04 758 5,100 4,260 1,260 3,620 39,700 h <0 5*
<br /> V2 05/02/91 930 3262 -2332 000 -- --
<br /> V2 07116-17191 930 3357 -2427 000 -- -- -- -- --
<br /> V2 10/15/91 930 3408 -2478 000 27,000 43,000 4,300 22,000 190,000 --
<br /> V2 01/28/92 930 3238 -2308 000 27,000 42,000 5,100 25,000 150,000 --
<br /> V2 04/30/92 930 3203 -2273 000 27,000 37,000 3,700 17,000 140,000 --
<br /> V2 08/13/92 930 3399 -24 69 000 28,000 49,000 5,600 28,000 220,000 --
<br /> V2 10/08/92 9 30 3457 -2526 002 Not sampled-LPH
<br /> V2 02/23/93 930 3137 -2207 000 -- -- -- -- --
<br /> V2 05/18/93 930 -- -- -- -- -` -- -- -- --
<br /> V2 08/22/93 930 30 16 -2086 000 27,000 46,000 3,500 17,000 180,000 --
<br /> V2 12/30/93 930 2976 -2046 000 27,000 35,000 4,200 22,000 170,000 --
<br /> V2 02/17/94 9 30 2933 -20 03 000 -- -- -- -- --
<br /> V2 05/10/94 930 28 95 -1965 000 24,000 49,000 4,900 24,000 220,000 --
<br /> V2 08/02/94 930 3029 -2099 000 21,000 43,000 3,700 20,000 160,000 --
<br /> V2 11/01/94 930 30 64 -2134 0 00 23,000 46,000 4,100 22,000 200,000 --
<br /> V2 02117195 930 28 23 -1893 000 -- -- -- -- --
<br /> V2 05/11/95 930 2495 -15 65 000 -- -- --
<br /> V2 08/24/95 930 -- -- -- -- -- -- -- --
<br /> V2 10/19/95 930 26 85 -1755 000 12,000 30,000 3,600 17,000 170,000 <2,500
<br /> V2 02/13/96 930 2460 -1530 Sheen -- -- -- -- --
<br /> V2 04/19/96 930 2260 -1330 Sheen -- -- --
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