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Table 2
<br /> Groundwater Analytical Data
<br /> 440 West Charter Way, Stockton, CA
<br /> Ethyl-_
<br /> Well
<br /> th (-
<br /> Well Date TPAg Benzene Toluene benzene Xylenes MTBE
<br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) b
<br /> MW-5 02/05/92 66,000 7,000 810 690 1,400 NA
<br /> MW-5 05/15/92 28,000 6,900 900 690 1,500 NA
<br /> MW-5 10/15/92 - - - - - -
<br /> MW-5 12/17/92 52,000 12,000 1,700 1,200 2,000 NA
<br /> MW-5 03/18/93 42,000 6,500 570 940 1,700 NA
<br /> MW-5 06/10/93 52,000 6,500 400 700 1,600 NA
<br /> MW-5 09/20/93 180,000 9,800 14,000 4,000 28,000 NA
<br /> MW-5 03/16/94 32,000 4,100 600 820 1,500 NA
<br /> MW-5 06/15/94 15,000 8,300 610 610 1,000 NA
<br /> MW-5 09/22/94 49,000 8,400 1,100 590 1,300 NA
<br /> MW-5 12/01/94 36,000 7,100 950 730 1,500 NA
<br /> MW-5 02/17/95 15,000 3,800 120 380 420 NA
<br /> MW-5 05/17/95 18,000 5,600 150 610 660 NA
<br /> MW-5 08/15/95 23,000 6,800 300 620 710 <500
<br /> MW-5 11/16/95 21,000 8,200 240 500 460 NA
<br /> MW-5 02/27/96 24,000 8,800 580 630 750 NA
<br /> MW-5 05/15/96 14,000 6,100 72 230 170 NA
<br /> MW-5 08/22/96 8,700 3,500 42 78 65 <600
<br /> MW-5 11/25/96 15,000 6,000 160 250 230 <2000
<br /> MW-5 02/24/97 12,000 5,900 120 210 180 <600
<br /> MW-5 05/19/97 2,000 890 15 16 22 <300
<br /> MW-5 08/22/97 30,000 11,000 390 390 460 <2000
<br /> MW-6 02105/'92 1,800 45 ND ND 4 NA
<br /> MW-6 05/15/92 200 10 073 ND 3 9 NA
<br /> MW-6 10/15/92 -- - -- -- --
<br /> MW-6 12/17/92 450 ND 13 ND 6 8 NA
<br /> MW-6 03/18/93 180 10 08 ND 3 7 NA
<br /> MW-6 06/10/93 150 8 15 ND 3 7 NA
<br /> MW-6 09/20/93 36,000 2,200 2,500 540 4,300 NA
<br /> MW-6 031161'94 150 46 12 ND 35 NA
<br /> MW-6 06/15/94 160 0 73 044 <0 5 <0 5 NA
<br /> MW-6 09/22/94 200 2 0 13 060 19 NA
<br /> MW-6 12/01/94 180 16 066 <0 5 13 NA
<br /> MW-6 02/16/95 160 21 12 <0 5 14 NA
<br /> MW-6 05/17/95 <50 <0 5 <0 5 <0 5 <0 5 NA
<br /> MW-6 08/15/95 <50 <0 5 <0 5 <0 5 <0 5 <10
<br /> MW-6 11/16/95 <50 <0 5 <0 5 <0 5 <0 5 NA
<br /> MW-6 02/27/96 <50 <0 5 <0 5 <0 5 <0 5 NA
<br /> MW-6 05/15/96 <50 <0 5 <0 5 <0 5 <0 5 NA
<br /> MW-6 08/22/96 <50 <0 5 <0 5 <0 5i <0 5 <30
<br /> MW-6 11/25/96 <50 <0 5 <0 5 <0 5 <0 5 <30
<br /> MW-6 02/24/97 <50 <0 5 1 1 054 2 7 <30
<br /> MW-6 05119197 <50 <0 5 <0 5 <0 5 <0 5 <30
<br /> MW-6 08/22/97 <50 <0 5 <0 51 <0 5 <0 5 <30
<br /> Page 3 of 8
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