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NEW <br /> Ta , r <br /> Groundwater Monitoring and Analytical Results <br /> Former Chevron Service Station#f9-8632 <br /> 575 Grant Line Road <br /> Vertical Measurements are in feet Tracy,California yt p p pp <br /> Analytical results are m arts per billion(ppb) <br /> Well Ground Depth Total <br /> DATE Head Water To TPH- TPH• Benzene Toluene Ethyl. Xylenes MTBE O1& <br /> Elev. Elev, Waster Diesel Gasoline Benzene Grease <br /> MW-1 <br /> 05/12/95 2638 1971 667 -- -- -- -- -- -- -' -- <br /> 09/07/95 2638 1911 7 27 3701 630 <1 2 <1 2 11 36 -- <5,000 <br /> 12/01/95 2638 1948 690 1601 310 <1 0 <t 0 18 <1 0 -- <5,000 <br /> 02/07/96 2638 2090 548 1601 <50 <0 5 <0 5 <0 5 <05 250 <5,000 <br /> 05/07/96 2638 1970 668 230' 160 <1 2 <1 2 3 3 <1 2 1,100 <5,000 <br /> 08120196 2638 1898 740 981 340 <2 5 <2 5 <2 5 <2 5 880 13,000 <br /> 11/05/96 2638 1975 663 86' 160 <1 2 <1 2 <1 2 <1 2 800 <5,000 <br /> 01/07/97 2638 2059 5 79 4601 110 0 63 <0 5 <0 5 <0 5 220 <5,000 <br /> 06/05/97 2638 1973 665 <50 <50 <0 5 <0 5 <0 5 <0 5 52 -- <br /> 09102l97 2638 1937 7 01 871 380 <0 5 <0 5 3 6 087 200 -- <br /> 11/19/97 2638 1990 648 <50 <50 <05 <0 5 <0 5 <0 5 320 -- <br /> 02/12/98 2638 2068 570 4801 140 8 3 <05 19 19 240 - <br /> 06/10/98 2639 1996 642 1901 <50 <0 5 <0 5 <0 5 <0 5 160 -- <br /> 08/10/98 2638 1953 6 85 881 160 40 <0 5 19 051 59 - <br /> 11/24/98 2638 1954 684 <50 <50 <0 5 <0 5 <0 5 <0 5 120 -- <br /> 03/05/99 2638 1997 641 4281 <50 <0 5 <0 5 <0 5 <05 108 - <br /> 06/01/99 2638 1975 6 63 2211 <50 105 <0 5 <05 <0 5 495 - <br /> 08/30/99 2638 1947 6 91 731 <50 <0 5 <05 <0 5 <0 5 538 -- <br /> 11/24/99 2638 1999 639 7841 113 <0 5 <0 5 1 17 0 731 25 2 -- <br /> 02/03/00 2638 2040 598 1505 <50 <0 50 <0 50 <0 50 <0 50 6611797 <br /> 06/26/00 2638 1974 6 64 9184 <50 <0 50 <0 50 <0 50 <0 50 41 - <br /> 08/11/00 26.38 1936 7 02 <50 <50 <0 50 <0 50 <0 50 <0 50 8 6 -- <br /> 1 <br /> 9-8632 z[s/#386855 1 As of 09/22/00 <br />