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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(µg/L)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE
<br /> V3 09/17/03 7 61 <5*
<br /> V3 12/08/03 7 61 2072 -13 11 000 102 675 3,220 11,700 47,200 h 127
<br /> V3 12/08/03 7 61 <0 5*
<br /> V3 03/02/04 7 61 1923 -1162 000 240 765 3,600 12,100 48,600 h 950
<br /> V3 03/02/04 7 61 <25*
<br /> V3 06/28/04 7 61 2045 -1284 000 95 6 460 2,670 10,300 40,400 h 13 9
<br /> V3 06/28/04 7 61 <0 5*
<br /> V3 09/08/04 7 61 -- -- -- 163 373 1,980 6,530 28,400 h 115
<br /> V3 09/08/04 7 61 <2 5*
<br /> V3 09/08/04 7 61 -- -- -- 228 531 1,980 8,170 39,000 h 142
<br /> V3 09/08/04 761 <2 5*
<br /> V3 09/27/04 7 61 2153 -1392 000 -- -- -- -- -- --
<br /> V3 09/28/04 7 61 -- -- -- 190 430 2,380 9,020 35,400 h <0 5*
<br /> V3 12/01/04 7 61 2105 -1344 000 230 485 2,990 11,100 45,000 h <0 5*
<br /> V3 03/24/05 7 61 1911 -1150 000 -- -- -- -- -- --
<br /> V3 03/25/05 761 -- -- -- 174 268 1,530 4,860 24,500 h <0 5*
<br /> V3 I 06/22/05 761 1905 -1144 000 245 355 2,610 9,240 33,900 h <0 5*
<br /> V3 10/12/05 761 2049 -1288 000 -- -- -- -- .- --
<br /> V3 10/13/05 7 61 -- -- -- 220 270 1,800 6,400 24,000 h <5*,<25*
<br /> V3 k,l 10/13/05 761 -- -- -- 210* 300* 2,000* 7,100* 20,000 h
<br /> V3 12/22/05 7 61 2027 -12 65 000 300 360 2,400 8,400 27,000 h <500
<br /> V4 05/02/91 938 32 10 -2268 0 05 31,000 58,000 5,700 29,000 200,000 --
<br /> V4 07/16-17191 938 3306 -2365 0 04 Not sampled-LPH
<br /> V4 10/15/91 938 3374 -2434 0 03 Not sampled-LPH
<br /> V4 01/28/92 938 3192 -2254 Sheen 23,000 63,000 5,300 27,000 220,000 --
<br /> V4 04/30/92 938 3148 -2209 0 01 Not sampled-LPH
<br /> V4 08/13/92 938 3360 -2417 0 07 Not sampled-LPH
<br /> V4 10/08/92 938 3420 -2473 0 12 Not sampled-LPH
<br /> V4 02/23/93 938 3085 -2147 000 15,000 35,000 4,300 23,000 150,000 --
<br /> V4 05/18/93 938 2935 -1997 000 13,000 47,000 5,900 28,000 240,000 --
<br /> V4 08/22/93 938 2960 -2022 000 9,400 42,000 3,900 21,000 150,000 --
<br /> V4 12/30/93 938 2926 -1988 000 10,000 36,000 4,800 26,000 150,000 --
<br /> gIpro3ects173942Vmterlwplgl2O5\3942gw xis Page 54 of 59
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