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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 (,uglL)
<br /> Well Elevation to Water Elevation Thickness Ethyl_
<br /> Number Date (feet) (feet) (feet) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> i
<br /> V2 07116-17191 930 3357 -24 27 000 -- -- __ __ _
<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 -2469 000 28,000 49,000 5,600 28,000 220,000 --
<br /> V2 10/08/92 930 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 02/17/94 930 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 2121 -1193 000 -- -- __ _-
<br /> V2 05/11/95 930 24 95 -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 021113196 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 -- -- __ __
<br /> V2 05/08/97 8 15 1920 -1105 000 11,000 29,000 2,900 14,000 170,000 <1,250
<br /> V2 08/26/97 8 15 2074 -1259 000 9,900 45,000 7,300 40,000 270,000 <500
<br /> V2 I Ul 1197 8 15 2157 -1342 000 12,000 34,000 4,500 22,000 160,000 3,500
<br /> V2 03/03/98 8 15 15 95 -7 80 000 11,000 30,000 3,500 17,000 150,000 <2,500
<br /> V2 03/03/98 815 <200*
<br /> V2 05/20/98 8 15 1563 -748 000 6,700 22,000 2,500 12,000 100,000 <1,000
<br /> V2 05/20/98 815 <100*
<br /> V2 08/19/98 8 15 1723 -908 000 3,300 16,000 16,000 7,900 46,000 <500
<br /> V2 08/19/98 815 <100*
<br /> V2 11/18/98 8 15 1767 -952 000 5,700 21,000 2,600 13,000 86,000 <625
<br /> V2 03130199 8 15 1576 -7 61 000 4,830 17,900 2,800 13,300 77,900 <400
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