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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(µglL)
<br /> Well Elevation to Water Elevation Thickness Ethyl-
<br /> Number Date (feet) feet feet feet Benzene Toluene benzene X lcnes TPH-g MTBE
<br /> V2 03/25/03 811 -- -- -- 6,070 14,200 2,740 11,200 89,200 h
<br /> <50
<br /> V2 06/11/03 8 11 1931 -1120 000 7,840 16,600 3,690 14,900 97,600 h 490
<br /> 125*
<br /> V2 06/11/03 811
<br /> V2 09/17/03 8 11 20 77 -12 66 0 00 5,930 11,800 2,990 11,400 76,200 h <20
<br /> V2 09/17/03 8 11
<br /> V2 12/08/03 8 11 2072 -1260 001 6,960 21,000 3,340 13,700 113,000 h <25
<br /> V2 03/02/04 811 1920 -1109 000 8,000 19,200 3,760 15,400 107,000 h 1,250
<br /> V2 03/02/04 811 --
<br /> V2 06/28/04 8 11 2036
<br /> -1225 000 -- -- -- "" --
<br /> V2 06/29/04 8 11 -- -- -- 7,200 16,000 3,460 12,400 95,800 h 08
<br /> <0 5*
<br /> V2 06/29/04 811
<br /> V2 09/27/04 8 11 2124 -13 13 0 00 -- -- "' --
<br /> V2 09/28/04 811 -- -- -- 8,290 27,500 3,800 15,500 123,000 h 198
<br /> <0 5*
<br /> V2 09/28/04 811
<br /> V2 12/01/04 8 11 2089 -1278 000 -- -- -- -- "- --
<br /> V2 12/02/04 8 11 -- -- -- 6,270 14,400 2,740 10,100 79,700 h 12$
<br /> <25*
<br /> V2 12/02/04 8 11
<br /> V3 05/02/91 899 33 89 -2490 000 1,900 30,000 5,200 26,000 110,000
<br /> V3 07116-17191 899 3486 -25 87 000 840 24,000 3,600 19,000 110,000
<br /> V3 10/15/91 899 35 38 -2639 000 1,200 22,000 4,400 22,000 110,000 --
<br /> k V3 01/28/92 899 3356 -2457 000 1,100 21,000 4,900 23,000 86,000 --
<br /> V3 04/30/92 899 33 15 -24 16 000 390 15,000 2,800 15,000 62,000
<br /> V3 08/13/92 899 3532 -2633 000 620 17,000 4,800 23,000 110,000 --
<br /> V3 10/08/92 899 3596 -2697 000 430 11,000 3,200 17,000 100,000 --
<br /> V3 02/23/93 899 3255 -2356 000 -- -- -- -- --
<br /> V3 05/18/93 899 -- -- -- - -_
<br /> V3 08/22/93 899 3133 -2234 000 -- -- -
<br /> V3 12/30/93 899 3051 -2152 0 00 -- -- -- -- --
<br /> V3 02/17/94 899 3008 -2109 000 -- -- ""
<br /> V3 05/10/94 899 2955 -20 56 000 -- -- -- __
<br /> V3 08/02/94 999 -- -- -- "- -- --
<br /> V3 11/01/94 899 31 52 -2253 000 -- -- -- -- -- --
<br /> V3 02/17/95 899 2893 -1994 000 250 10,000 5,100 23,000 85,000 --
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