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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(Ag/L.)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> VI 02/29/00 760
<br /> VI 05/16/00 760
<br /> VI 09/11/00 760 -- -- __ __ --
<br /> VI
<br /> Vl 12/13/00 760 17 05 -945 000 83 170 24 128 970 <0 5
<br /> V 1 03/08/01 760 1622 -862 000 330 280 140 520 4,200 <15
<br /> V1 06/21/01 760 1761 -1001 000 1,500 830 560 1,690 13,000 <12
<br /> V1 09/20/01 760 1875 -11 15 000 970 760 440 1,200 8,400 <2 5
<br /> V1 12/04/01 758 1853 -1095 000 4,200 12,000 2,000 9,400 76,000 <5*
<br /> V1 03/05/02 758 17 6S -1007 000 892 30,600 4,850 24,100 62,400 h QO
<br /> V2 05/02/91 930 32 62 -2332 000 -- -- __ __
<br /> V2 07116-17/91 930 3357 -2427 000 -- -- -- __
<br /> V2 10/15/91 9 30 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 -2469 000 28,000 49,000 5,600 28,000 220,000 --
<br /> V2 10/08/92 930 34 57 -2526 002 Not sampled-LPH
<br /> V2 02/23/93 930 3137 -22 07 000 -- -- __ __
<br /> V2 05/18/93 930 -- -- __ __ --
<br /> V2 08/22/93 930 3016 -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 02/17/94 930 2933 -2003 000 -- -- -- __ __
<br /> V2 05/10/94 930 2895 -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 3064 -2134 000 23,000 46,000 4,100 22,000 200,000 --
<br /> V2 02/17/95 930 2823 -1893 0 00 -- -- -- __ __
<br /> V2 05/11/95 930 2495 -1565 000 - -- -- __
<br /> V2 08/24/95 930 -- -- __ __
<br /> V2 10/19/95 930 2685 -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 04/18/96 930 2260 -1330 Sheen
<br /> V2 08/08/96 930 2390 -1460 Sheen -- -- -- __ --
<br /> V2 11/04/96 930 2473 -1543 000 13,000 31,000 2,500 13,000 130,000 <2,500
<br /> V2 02/03/97 930 1970 -1040 Sheen -- -- __ __
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