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[ TABLE 4
<br /> ANALYTICAL RESULTS OF HISTORICAL GROUND WATER SAMPLES - 8015m, 8020m-
<br /> _ - LL West Clay Property
<br /> - 639 West Clay Street, Stockton, California -
<br /> i
<br /> - r =
<br /> Well Date nct11 itt TPH as TPH as TPH as TPH as MTBE Benzene Tolulme Ethyl- Xylem
<br /> (",crew GW Gambne Djeset gwr Oil 0711
<br /> ` 011erval Grp
<br /> MW-2 04/04/94' 364,4 81,000 11,600 - 14,400' - 37400 10,400 3,200 2,900 s
<br /> (40-60) 12/16/94 3783 NS -- - -- = NS NS NS NS
<br /> - 03/31/95 31 18 -NS w- -- - --- NS NS NS NS
<br /> " 10/31/95 2934 35,000 - - -- - 2,100 4,200 1,000 3,500
<br /> 05/06/96 2497 NS -- - - --- - NS NS NS -NS
<br /> 05/27/97 2142 17,000 2,000 <250 <5,000 58 1,100 1,500 -230 2,200,
<br /> 11/17/97 22 36 18,000 2,300 320 - <70 1,400 1,600 370 3,300
<br /> '2/26/98 1746 18,000 2,900 - - 62 1,700 880 <0 5 3,100
<br /> 8/31198 1751 47,000 4,600 - --- -<200 5,100 5,600 2,100 '7,700
<br /> 219/99 1752 `21,000 760 -- - <90 1,800 2,000 720 3,000 >
<br /> 5128/99 1703 21,000 3,300 -- - <50 2,500 1,900 620 3,700
<br /> 10/28/99 1918 19,000 2,700 --- - <200 2,000 1,400 290 - 3,200
<br /> j - 1/25/00 18 90, 18,000 1,700 -- <10 2,000 1,500 620 -2,800
<br /> 07/12/00 r 1734 -22,000 2,000 --- - ND<200 2,100 1,800 660 3,000
<br /> j - 12/18/00 1893 22,000 -1,700 - -- <200 2,300 - 1,800 600 2,500 -
<br /> MW-3 04/04/94 3495 78 <50g <500* -- 17 <0 5 <0 5 <�5
<br /> (30 55) 12/16/94 3616 <20 --- - --- - <0 5 <05 <0 5 <0 5
<br /> 03/31/95 3074 1,700 -- - -- <25 180 1 26 81
<br /> 10/31/95 2826 840 - 110 <5 0 L 30 12
<br /> 05/06/96s 24 01 NS - -- -- NS NS NS NS `
<br /> 05/27/97- - 2053 270 55 <250 <5,000 <5 28. 071 14 15
<br /> -11/17/97, 22 14 53 160 X250 -- <5 - 23 058 078 10
<br /> 2/26/98 1788 <50 <50 -- <5 <05068 <0 5 087
<br /> 8131/98 16 14 _ <50 <50 <5 <05 - <0 5 <0 5 <0 5
<br /> 2/9/99 1630 <50 <50 - -- <1 <0 3 045 <0 5 085
<br /> 5128/99 15 80 160 55 - <517 91 84 21
<br /> 10/28/99 1770 <50 <50 -- <5 <0 5 061 <0 5 14
<br /> I/25/00 1740 r<50 75' _ <5 55 093 21 1 1 , '
<br /> 07/12/00 1602 <50 - 91 -- - <5 <0 5 078 " <0 5 -087
<br /> 12/18/00 1756 63 <50 -- - <5 31 69 11 6 1
<br /> Advanced GeoEnwroumcntal,Inc
<br />
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