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T�1 <br /> Groundwater Monitonng ata and Analytical Results <br /> Former Unocal Service Station#0123 <br /> 1034 Central Avenue <br /> Tracy,California <br /> WELL IDI DATE DTW GWE TPH(D) TPH(G) 13 T E X MTBE <br /> TOC* (ft.) (MSI) (Ppb) (Ppb) Wb) (ppb) Pb) (ppb) (ppb) <br /> U-1 <br /> 4858 06/02/95 951 3907 1,800` 6,200 15 21 38 610 -- <br /> 09/05/95 996 3862 671 240 06 084 057 39 -- <br /> 12/06/95 959 3899 ND ND ND ND ND ND -- <br /> 03/01/96 887 3971 120' ND ND ND ND ND - <br /> 06/10/96 945 39 13 2801 63 ND 14 22 69 -- <br /> 09/12/96 985 3873 ND ND ND ND ND ND -- <br /> 12/11/96 924 3934 ND 95 ND 095 7 1 48 -- <br /> 03/03/97 907 3951 ND ND 091 ND 053 ND ND <br /> 06/04/97 943 3915 NDZ 92 15 054 10 37 ND <br /> 09/03/97 978 3880 ND ND 1 I ND ND ND ND <br /> 12/02/97 933 3925 72'2 120 1 1 29 89 11 ND <br /> 03/24/98 882 3976 8e4 88 16 093 38 30 1313 95 <br /> 06/22/98 918 3940 ND ND 093 ND 10 ND 4 51ND5 <br /> 09/28/98 965 3893 ND2 1507 12 ND 21 20 9 015 35 <br /> 12/14/98 944 3914 1302 a ND 088 ND ND ND ND/ND' <br /> 03/16/99 927 3931 ND ND 077 ND ND ND 45 <br /> 06/14/99 969 3889 ND 110' 13 ND 13 19 29 <br /> 09/09/99 990 3868 6124 60E3 ND ND ND ND ND <br /> 12/23/99 972 3886 5224 ND ND ND ND ND 39 <br /> 03/16/00 934 3924 ND ND ND ND ND ND 30 <br /> 06/19/00 985 3873 NDZ ND ND ND ND ND ND <br /> U-2 <br /> 4831 06/02/95 919 3912 190' 780 21 24 59 56 -- <br /> 09/05195 965 3866 ND ND ND 051 ND 077 -- <br /> 12/06/95 930 3901 ND ND ND ND ND ND -- <br /> 03/01/96 859 3972 ND ND ND ND ND ND -- <br /> 06/10/96 914 3917 260' ND ND 054 10 ND - <br /> 09/12/96 954 3877 ND ND ND ND ND ND -- <br /> 12/11/96 894 3937 ND 160 076 15 89 21 -- <br /> 03/03/97 875 3956 ND 170 21 058 15 091 ND <br /> 06/04/97 912 3919 NDZ 72 14 ND 28 073 ND <br /> 0123 xis/#280047 1 As of 06/19/00 <br />