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Tab&j <br /> • <br /> Groundwater Monitoring DWand Analytical Results <br /> Former Chevron Service Station#9-8632 _ <br /> 575 Grant Line Road <br /> Vertical Measurements are to feet Tracy,California Analytical results are in parts per billion(ppb) <br /> Well Ground Depth Total <br /> DATE Head Water TO TPH- TPN- Benzene Toluene Ethyl- Xylenes MTBE Oil & <br /> Elev Elev Water Diesel Gasoline Benzene Grease <br /> MW-1 <br /> 05/12/95 2638 1971 6 67 -- -- -- -- - -- - <br /> 09/07/95 2638 1911 7 27 370' 630 <1 2 <1 2 Il 3 6 <5,000 <br /> 12101!95 2638 1948 690 150' 310 <1 0 <1 0 l8 <1 0 -- <5,000 <br /> 02/07/96 2638 2090 548 160' <50 <0 5 <0 5 <0 5 <0 5 250 <5,000 <br /> 05/07/96 2638 1970 668 230' 160 <1 2 <1 2 3 3 <1 2 1,100 <5,000 <br /> 08/20/96 2638 1898 740 98' 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 20 59 579 460 l 10 063 <0 5 <0 5 <0 5 220 <5,000 <br /> 06/05/97 2638 1973 6 65 <50 <50 <0 5 <0 5 <0 5 <0 5 52 -- <br /> 09/02/97 2638 1937 7 01 87' 380 <0 5 <0 5 3 6 0 87 200 <br /> 11/19/97 26 38 1990 <br /> 648 <50 <50 <0 5 <0 5 <0 5 <0 5 320 <br /> 02/12/98 2638 2068 570 480' 140 8 3 <0 5 1 9 1 9 240 <br /> 06/10/98 2638 1996 642 190, <50 <0 5 <0 5 <0 5 <0 5 160 <br /> 08/10/98 2638 19 53 6 85 88' 160 40 <0 5 19 0 51 59 <br /> 11/24/98 2638 19 54 684 <50 <50 <0 5 <0 5 <0 5 <0 5 120 <br /> 03/05/99 2638 1997 6 41 428' <50 <0 5 <0 5 <0 5 <0 5 108 <br /> 06/01/99 2638 1975 663 221' <50 1 05 <0 5 <0 5 <0 5 495 <br /> 08/30/99 2638 1947 691 73' <50 <0 5 <0 5 <0 5 <0 5 518 <br /> 11/24/99 2638 1999 639 784 1 113 <0 5 <0 5 1 17 0 731 25 2 <br /> 02/03/00 26 38 2040 5 98 1505 <50 <0 50 <0 50 <0 50 <0 50 66179' <br /> 06/26/00 2638 1974 664 918° <50 <0 50 <0 50 <0 50 <0 50 41 -- <br /> I <br /> 9 8612 xls/#386855 1 As of 06/26100 <br />