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<br /> TABLE 2
<br /> GROUNDWATER ANALYTICAL DATA
<br /> Knowles-Roek
<br /> Stockton, California
<br /> • Page 3 of 15
<br /> (in parts per br1hon)
<br /> Well I bate TPHg Benzene Toluene Ethylbenzene Xylenes MTBE
<br /> MW-3 11/20/97 550 59 <0 5 <0 5 <0 5 <5 0
<br /> Cont'd 2/27/98 770 86 <0 5 6.3 20 <5 0
<br /> 5/6/98 640 50 <0 5 10 52 19
<br /> 8112198 690 220 <0 5 44 49 27
<br /> 11/10/98 1,600 360 <10 11 47 220
<br /> 2/12/99 6,000 4,600 54 160 740 1,600
<br /> 5/4/99 4,600 3,700 10 68 96 1,400
<br /> 8/3/99 5,100 3,200 27 32 130 1,400
<br /> 11/17/99 5,400 4,100 70 19 49 1,500
<br /> 2/3/00 16,000 6,700 <20 50 28 4,000
<br /> 5/9/00 22,000 9,600 11 37 11 3,800
<br /> 8/15/00 4,800 3,000 28 it 33 1,200
<br /> 11/22/00 36,000 10,000 15 28 31 2,600
<br /> 3/8/01 16,000 4,400 8.9 11 58 1,200
<br /> 5/24/01 27,000 11,000 17 31 13 3,800
<br /> 8/30/01 12,000 3,500 62 10 69 2,000
<br /> 1217101 72,000 21,000 310 540 1,100 17,000
<br /> • 2/21/02 30,000 15,000 310 170 150 15,000
<br /> 5/22/02 38,000 11,000 17 42 17 34,000
<br /> 8/27/02 36,000 12,000 19 47 49 24,000
<br /> 11/14/02 35,000* 12,000 21 45 31 5,300
<br /> 2/20/03 46,000 10,000 23 31 20 41,000
<br /> 5/30/03 .25,000 7,300 18 15 28 28,000
<br /> 8128/03 23,000 6,600 80 93 11 342.000
<br /> MW-4 5/16/95 <50 22 <0 5 <0 5 <0 5 --
<br /> 11/9/95 240 21 <0 5 <0 5 <0 5 --
<br /> 2/8/95 240 <0 5 <0 5 <0 5 29 --
<br /> 4/24/96 130 <0 5 <0 5 <0 5 <0 5 --
<br /> 8/7/96 210 <0 5 <0 5 <0 5 18
<br /> 11/5/96 480 <0 5 3.0 <0 5 <0 5 --
<br /> 2/5/97 560 76 <0 5 <0 5 <0 5 --
<br /> 5/7/97 260 58 <0 5 <0 5 <0 5 --
<br /> 7/22/97 970 360 <0 5 <0 5 <0 5 <5 0
<br /> 11/20/97 140,000 16,000 15,000 2,000 13,000 8,700
<br /> 12/16/97 150,000 20,000 16,000 2,300 15,000 14,000
<br /> 2/27/98 10,000 1,200 4.2 110 580 890
<br /> 5/6/98 870 53 <0 5 62 10 85
<br /> 8/12/98 r 12,000 5,500= <0 5 260 950 600L]i
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