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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-g MTBE
<br /> i
<br /> V 1 09/10/02 758 <50*
<br /> V1 12/18/02 758 1920 -1162 0 00 3,160 12,000 2,160 10,400 56,200 h <50
<br /> V1 03/24/03 758 1865 -1107 000 2,490 7,280 1,820 8,020 54,500 h <25
<br /> V2 05/02/91 930 3262 -2332 000
<br /> V2 07116-17191 930 33 57 -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 32 03 -22 73 000 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 /> I V2 10/08/92 930 34 57 -25 26 002 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 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 3064 -2134 000 23,000 46,000 4,100 22,000 200,000 --
<br /> V2 02/17/95 930 2823 -1893 000 -- -- __ --
<br /> -
<br /> V2 05/11/95 930 24 95 -15 65 000
<br /> V2 08/24/95 930 -- __ __
<br /> V2 10/19/95 930 2685 -17 55 000 12,000 301000 3,600 17,000 170,000 <2,500
<br /> V2 02/13/96 930 2460 -1530 Sheen -- __
<br /> V2 04/18/96 9 30 2260 -1330 Sheen
<br /> V2 08/08/96 930 2390 -1460 Sheen -- -- __
<br /> V2 11/04/96 930 24 73 -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 -11 05 000 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 11/11/97 8 15 2157 -1342 000 12,000 34,000 4,500 22,000 160,000 3,500
<br /> V2 03/03/98 8 15 1595 -7 80 000 11,000 30,000 3,500 17,000 150,000 <2,500
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