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• 019021 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,CA <br /> Well Depth Groundwater Groundwater Product Ethyl- Xylenes <br /> Well Date Elevation to Water Elevation Elevation Thickness TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) Change(ft) (ft) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (mg1L) <br /> ATR-12 2/12/1996 886 3823 -- -- <50 <0 5 <0 5 <0 5 <0 5 <br /> (cont) 4/18/1996 922 3786 -0 37 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 7/18/1996 9 53 3755 -031 - <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 11/15/1996 1000 3708 047 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/14/1997 NP 1011 36 97 -011 <50 <0 5 <0 5 <0 5 <0 5 -- 009 <br /> 6/4/1997 NP 934 37 74 077 <50 <0 5 <0 5 <0 5 <0 5 <2 5 012 <br /> 8/11/1997 NP 967 37 41 033 <50 <0 5 <0 5 <0 5 <0 5 <2 5 - <br /> 11/17/1997 NP 954 3754 013 <50 <0 5 <0 5 <0 5 <0 5 <2 5 - <br /> 3/30/1998 NP 896 38 12 0 58 <50 <0 5 <0 5 <0 5 <0 5 <5 0 21 <br /> 6/25/1998 NP 936 3773 0 39 <50 <0 5 <0 5 <0 5 <0 5 <5 0 3 2 <br /> 9/11/1998 NP 9 47 3761 -012 <50 <0 5 <0 5 <0 5 <0 5 <2 5 1 26 <br /> 12/15/1998 NP 9 31 3777 0 16 <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 8 <br /> 311711999 NP 916 37 92 016 <50 <0 5 <0 5 <0 5 <0 5 <5 0 1 8 <br /> 5/14/1999 NP 9 33 3775 -017 <60 <0 5 <0 5 <0 5 <0 5 <5 0 2 0 <br /> 9/16/1999 NP 965 3753 -022 <50 <0 5 <0 5 <0 5 <0 5 <5 0 3 7 <br /> 12/22/1999 NP 942 3766 013 <50 <0 5 <0 5 <0 5 <0 5 <2 50 083 <br /> 2J2912000 NP 893 3815 0 49 - <50 <0 5 <0 5 <0 5 <0 5 <2 50 5 7 <br /> 6/7/2000 Well inaccessible <br /> 9/25/2000 Well inaccessible <br /> 12/21/2000 Well inaccessible <br /> 3/27/2001 P 926 3782 -033 <50 0 <0 500 <0 500 <0 500 <0 500 <2 00* 2 3 <br /> 6/20/2001 P 9 96 3712 -0 70 - <50 <0 50 <0 50 <0 50 <0 50 <2 0* <br /> 9/12/2001 P 938 3770 0 58 <60 <0 50 <0 50 <0 50 <0 50 <2 5 2 0 <br /> 12/19/2001 P 928 3780 010 <50 <0 50 <0 50 <0 50 <0 50 <2 0* 232 <br /> 3/14/2002 P 929 3779 -001 -- <50 <0 50 <0 50 <0 50 <0 50 <0 50 1 84 <br /> 6/28/2002 P 943 37 65 -014 - <50 <0 5 <0 5 <0 5 <0 5 <0 5* 4 5 <br /> 9/11/2002 P 938 3770 005 <50 <0 5 <0 5 <0 5 <0 5 <0 5* 3 3 <br /> 12/17/2002 P 878 3830 060 - <50 <0 5 <0 5 <0 5 <0 5 <0 5* 4 2 <br /> 3/31/2003* P 930 3778 -052 -- <50 <0 5 <0 5 <0 5 <0 5 <0 5 21 <br /> SMW 1 10/7/1994 5024 1286 3738 -- 2,200 250 110 <0 5 360 -- -- <br /> 12/16/1994 1254 3770 0 32 5,200 740 210 330 600 - <br /> 2/28/1995 1240 3784 014 8,300 1,000 330 450 790 <br /> 4/26/1995 1271 3753 -0 31 5,100 470 110 270 480 <br /> 7/27/1995 1300 3724 -0 29 7,400 410 42 360 630 <br /> I <br /> i <br /> K lW procesaV b BP ARcm2o9310uartedyll OTA 0$12093 0W MR 1 Q03 <br />