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• Page 18 of 20 <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) M►BE DO <br /> Number Sampled (it MSL) (ft,TOC) (ft,MSL)., _ Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> ATR 12 4/25/1995 , <br /> (cont) 4/26/1995 <br /> 7/27/1995 -- <br /> 10/26/1995 -- - - __ -- -- <br /> 2/12/1996 8 85 3823 - - <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 4/18/1996 9 22 3786 037 -- <60 <0 5 <0 5 <0 5 <0 5 -- <br /> 7/18/1996 963 3756 -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 -0 11 <50 <0 5 <0 5 <0 5 <0 5 - 009 <br /> 6/4/1997 NP 934 3774 077 <50 <0 5 <0 5 <0 5 <0 5 <2 5 012 <br /> 8/11/1997 NP 967 37 41 -0 33 - <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 11117/1997 NP 954 3754 013 <50 <0 5 <0 5 <0 5 <0 5 <2 5 -- <br /> 3/30/1998 NP 8 96 3812 0 58 <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 1 <br /> 6/25/1998 NP 9 35 3773 -039 <50 <0 5 <0 5 <0 5 <0 5 <5 0 3 2 <br /> 9/11/1998 NP 947 3761 -012 - <50 <0 5 <0 5 <0 5 <0 5 <2 5 126 <br /> 12/15/1998 NP 931 37 77 0 16 <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 8 <br /> 3/17/1999 NP 916 3792 015 <50 <0 5 <0 5 <0 5 <0 5 <5 0 1 8 <br /> 5/14/1999 NP 9 33 3775 017 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 0 <br /> 9/16/1999 NP 955 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 0 83 <br /> 2/29/2000 NP 893 3615 049 - <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 /> 12121/2000 Well Inaccessible <br /> 3/27/2001 P 926 37 82 033 - <50 0 <0 500 <0 500 <0 500 <0 500 <2 00* 2 3 <br /> 6/20/2001 P 996 3712 -070 <50 <0 50 <0 50 <0 50 <0 50 <2 0* <br /> 911212001 P 9 38 3770 068 <50 <0 50 <0 50 <0 50 <0 50 <2 5 2 0 <br /> 1211912001 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 3765 -014 -- <50 <0 5 <0 5 <0 5 <0 5 <0 5 45 <br /> SMW 1 10/7/1994 6024 1286 3738 - 2,200 250 110 <0 5 360 -- - <br /> 12/16/1994 1254 3770 032 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 /> 10/26/1995 (a) 1303 -- - -- .. _. <br /> K U5 BP ARC04020931Qvartarty\2 QTR 021Table 1_2_3 As <br />