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Ta � - <br /> Groundwater Monitoring and Analytical Results <br /> Former Chevron Service Station#9-8632 <br /> 575 Grant Line Road <br /> California <br /> Vertical Measurements are in feet Tracy, Analytical results are in parts per billion(ppb) <br /> Well Ground Depth Total <br /> DATE Head Water To TPH• TPH- Benzene Toluene Ethyl- Xylenes MTBE Gil& <br /> Elev, Elev. Water Diesel Gasoline Benzene Grease <br /> MW-4 <br /> 05/12/95 2670 1920 750 -- -- -- -- -- -- -- -- <br /> 09/07/95 2670 1954 716 2,000' 14,000 2100 290 470 690 -- -- <br /> 12/01/95 2670 1989 681 1,8011 11,000 1900 620 470 620 -- <br /> 02/07/96 2670 2134 536 650' 4700 730 210 260 590 <50 - <br /> 05/07/96 2670 2012 658 1,301' 9500 1300 350 350 550 <100 -- <br /> 08/20/96 2670 1920 750 9011 11,000 2300 810 520 890 <125 -- <br /> 11/05/96 2670 2011 659 570' 5600 820 270 200 480 <50 - <br /> 01/07/97 2670 2102 568 180' 1100 190 16 42 110 <12 -- <br /> 06/05/97 2670 2013 657 641 3300 610 140 130 160 <25 - <br /> 09/02/97 2670 1978 692 1,1011 13,000 1800 760 480 1200 <25 - <br /> 09/02/97 2670 1978 692 -- -- 1,9007 6907 4807 1,000' -- _ <br /> 11/19/97 2670 2033 637 i30' 210 40 3 1 59 76 <2 5 -- <br /> 02/12/98 2670 2129 541 150' 790 1 i0 37 13 33 <2 5 - <br /> 06/10/98 2670 2041 629 52' 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 679 201' 720 210 99 23 68 <12 -- <br /> 03/05/99 2670 2035 635 131' 668 208 735 175 352 434 -- <br /> 06/01/99 2670 1999 671 228' 2400 414 362 106 220 <100 -- <br /> 08/30/99 2670 19 81 689 77' 466' 953 423 15 654 <5 0 -- <br /> 11/24/99 2670 2036 634 3341 3580 462 27 109 341 <125 - <br /> 02/03/00 2670 2077 593 4W 1,2003 270 35 70 200 6 4/<2 07 -- <br /> 06/26/00 2670 2000 670 8584 5303 220 92 21 47 21 -- <br /> 08/11/00 2670 1974 696 726 830' 220 92 55 120 11 -- <br /> 9 8632 xls/#386855 4 As of 08/22/00 <br />