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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- MTBE
<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 -9 52 000 5,700 21,000 2,600 13,000 86,000 <625
<br /> V2 03/30/99 8 15 1576 -7 61 000 4,830 17,900 2,800 13,300 77,900 <400
<br /> V2 05/05/99 8 15 16 12 -797 000 4,590 16,700 2,030 12,300 67,800 <200
<br /> V2 08/20/99 8 15 1755 -940 000 1,400 4,440 517 2,630 20,500 616
<br /> V2 12/06/99 815
<br /> V2 02/29/00 81 s
<br /> V2 05/16/00 815
<br /> V2 09/11/00 815 --
<br /> V2 12/13/00 8 15 1760 -945 000 7,100 22,000 4,600 22,600 130,000 <500
<br /> V2 03/08/01 8 15 1679 -864 000 5,700 17,000 4,900 24,100 210,000 <250
<br /> V2 06/21/01 8 15 18 16 -1000 0 02
<br /> V2 09/20/01 8 15 1928 -11 13 0 00 4,800 25,000 6,000 28,600 94,000 <120
<br /> V2 12/04/01 8 H 1907 -1096 000 6,400 16,000 2,800 12,800 110,000 <5*
<br /> V2 03/05/02 8 11 1820 -1009 000 5,590 22,800 2,810 10,200 67,600 h <25
<br /> V2 06/11/02 8 11 1873 -1061 001 5,410 12,200 2,310 9,520 73,700 h 700
<br /> V2 06/11/02 811 <25*
<br /> V2 09/10/02 8 11 2000 -11 89 000 5,380 12,200 2,630 10,600 75,500 h 150
<br /> V2 09/10/02 811 <50*
<br /> V2 12/18/02 8 11 1944 -1133 000 6,640 16,300 2,740 13,600 85,000 h 780
<br /> V2 12/18/02 811 <100*
<br /> V2 03/24/03 811 1913 -11 02 000 -- --
<br /> V2 03/25/03 811 -- -- -- 6,070 14,200 2,740 11,200 89,200 h <50
<br /> V3 05/02/91 899 3389 -2490 000 1,900 30,000 5,200 26,000 110,000 --
<br /> V3 07116-17/91 899 3486 -25 87 000 840 24,000 3,600 19,000 110,000 --
<br /> V3 10/15/91 899 3538 -2639 000 1,200 22,000 4,400 22,000 110,000 --
<br /> V3 01/28/92 899 33 56 -2457 000 1,100 21,000 4,900 23,000 86,000 --
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