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' Tab <br /> Groundwater Monitoring) and Analytical Results <br /> Former Chevron Service Station#9-8632 <br /> 575 Grant Line Road <br /> Vertical Measurements are in feet Tracy,California y p <br /> Analytical results are in arts per billion(ppb) <br /> Well Ground Depth Total <br /> DATE Head Water TQ TPH- TPN- Benzene Toluene Ethyl- Xylenes MTBE Oil & <br /> i <br /> Elev Elev Water Diesel Gasoline Benzene Grease <br /> MW-4 <br /> 05/12/95 2670 1920 750 -- -- -- -- -- -- <br /> 09/07/95 2670 1954 7 16 2,000' 14,000 2100 290 470 690 <br /> 12/01/95 2670 1989 681 1,8001 11,000 1900 620 470 620 -- <br /> 02/07/96 2670 2134 536 6501 4700 730 210 260 590 <50 <br /> 05/07/96 2670 2012 658 1,300, 9500 1300 350 350 550 <100 <br /> 08/20/96 2670 1920 7 50 9x11 11,000 2300 810 520 890 <125 <br /> 11/05/96 2670 2011 659 5701 5600 820 270 200 480 <50 <br /> 01/07/97 2670 2102 568 1801 1100 190 16 42 110 <12 -- <br /> 06/05/97 2670 2013 6 57 641 3300 610 140 130 160 <25 <br /> 09/02/97 2670 1978 692 1,100' 13,000 1800 760 480 1200 <25 <br /> 09/02/97 2670 1978 692 -- -- 1,9007 690' 4807 1,0007 -- <br /> 11/19/97 2670 2033 637 130' 210 40 3 1 5 9 7 6 <2 5 <br /> 02/12/98 2670 2129 5 41 150' 790 110 17 13 33 <2 5 <br /> 06/10/98 2670 2041 629 521 2200 42 33 51 170 <2 5 <br /> 08/10/98 2670 1980 690 430' 3000 680 89 140 290 <25 - <br /> 11/24/98 2670 1991 679 2001 720 210 9 9 23 68 <12 <br /> 03/05/99 2670 2035 635 1311 668 208 735 17 5 35 2 4 34 <br /> 06/01/99 2670 1999 671 2281 2400 414 362 106 220 <100 <br /> 08/30/99 2670 1981 689 771 466' 953 423 15 614 <5 0 <br /> 11/24/99 2670 2036 6 34 334' 3580 462 27 109 341 <12 5 <br /> 02/03/00 2670 2077 593 4806 1,2003 270 35 70 200 6 4/Q 0' <br /> 06/26/00 2670 20.00 6.70 85 84 5303 220 9 2 21 47 21 -- <br /> I <br /> 9 8632 xis/#386855 4 As of 06/26/00 <br />