Wells Date Benzene Toluene Ethyl Total TPH MTBE
<br /> ' Benzene Xylenes. Gasoline
<br /> u ug/L u u L ug/L u L
<br /> MW-2 04/28/99 2,600 2,400 970 4,300 40,000 ND<5
<br /> ' 09/01/99 10,000 12,000 11,000 44,000 890,000 ND<10,000
<br /> 12/22/99 1,400 3,500 1,100 4,800 44,000 N/A
<br /> 03/31/00 5,350 11,900 2,710 12,800 8916W 391`
<br /> 06/20/00 3,640 8,280 2,160 9,600 84,800 ND<200
<br /> ' 09/20/00 1,650 3,600 1,350 4,990 4,350 247*
<br /> 12/27/00 2,600 7,000 2,020 9,080 88,800 372
<br /> 03/06/01 2,630 6,350 11950 9,380 85,100 ND<100
<br /> 06/20/01 5,260 44,500 42,600 204,000 2,280,000 NIA
<br /> 09/07/01 2,940 10,200 5,980 28,300 450,000 ND<1000
<br /> 12/03/01 3,930 10,200 3,800 18,700 260,000 ND<1000
<br /> 02/22/02 2,060 6,010 2,320 11,300 86,600 ND<200
<br /> ' 06/05/02 1,140 3,210 1,180 5,610 37,000 193
<br /> 09/11/02 1,570 4,730 1,650 8,400 54,900 ND<200
<br /> 12/26/02 11130 3,750 1,210 6,070 45,600 N/A
<br /> ' 03/21/03 1,950 4,390 1,610 7,140 48,500 ND<20
<br /> 06/06/03 1,230 3,790 1,410 6,400 60,800 ND<20
<br /> 09/05/03 566 1,480 834 3,290 22,100 116
<br /> 01/03/04 796 2,230 929 4,190 29,100 ND<5
<br /> 04127/04 463 1,330 671 260 20,400 ND<5
<br /> 07/23/04 927 2,120 648 3,570 32,000 19
<br /> 11/03/04 484 1,360 777 3,330 32,700 888
<br /> 01/21/05 920 3,000 1,700 7,600 37,000 ND<50
<br /> 04/11/05 1,100 2,400 1,400 5,800 38,000 ND<50
<br /> 07/20/05 1,190 1,740 1,270 5,130 32,100 ND<60
<br /> MW-3 05/04/95 N/D N/D N/D N/D N/D NA
<br /> 09/13/96 ND<3 ND<3 ND<3 ND<3 ND<50 ND<5
<br /> 01/17/97 ND<3 ND<3 ND<3 ND<3 ND<50 ND<5
<br /> 05/05/97 ND<3 ND<3 ND<3 ND<3 ND<50 ND<5
<br /> ' 09/19/97 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 02/24/98 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 05/29/96 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> ' 11/13/98 ND<3 ND<3 ND<3 ND<3 ND<50 ND<5
<br /> 04/28/99 ND<3 ND<3 ND<3 ND<3 ND<50 ND<5
<br /> 09/01/99 ND<3 ND<3 ND<3 ND<3 ND<50 ND<5
<br /> ' 12/22/99 ND<5 ND<5 ND<5 We 5 ND<50 N/A
<br /> 03/31/00 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 06/20/00 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 09/20/00 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> ' 12/27/00 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 03/06/01 ND<3 ND<3 ND<3 ND<3 N5<50 ND<2
<br /> 06/20/01 ND<3 ND<3 ND<3 ND<3 ND<50 NIA
<br /> ' 09/07/01 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 12/03/01 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 02/22/02 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 06/05/02 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 09/11/02 ND<3 ND<3 ND<3 ND<3 ND<50 ND<2
<br /> 12/26/02 ND<3 ND<3 ND<3 ND<3 ND<50 N/A
<br /> 03/21/03 ND<3 ND<3 ND<3 ND<3 ND<50 ND<1
<br /> ra6fc 7
<br /> CTeol WAW TetkX&S/M. Page 2 of 6 10/31/2005
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