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ii <br /> Page 18 of 20 <br /> l Table 1 <br /> Groundwater Elevation and Anaiytical Data <br /> ! ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,CA <br /> Well Depth Groundwater Groundwater Product Ethyl- Xylenes <br /> Wall Date Elevation to Water Elevation #Bevaton Thickness TPHg Benzene Toluene benzene (total) MtBE DO � <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> 10/26/95 -- " <br /> ATR-12 2112196 885 3823 11 -- <50 <0 5 <0 5 <0 5 <0 5 - - <br /> (cont) 4/18196922 3786 I� -0 37 <50 <0 5 <0 5 <0 5 <0 6 -- -- <br /> 7/18/96 953 3755 -0 31 -- <50 <0 5 <0 5 <0 5 <0 5 <5 - <br /> 11/15/96 1000 3708 i' 0 47 -- <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/14/97 NP 1011 3697 -0 11 <50 <0 5 <0 5 <0 5 <0 5 -- 009 <br /> 6/4/97 NP 934 3774 077 - <50 <0 5 <0 5 <0 5 <0 5 <2 5 012 <br /> 8111/97 NP 9 67 3741 ; -0 33 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 -- <br /> 11/17/97 NP 954 3754 i 013 -- <50 <0 6 <0 5 <0 5 <0 5 <2 5 -- <br /> 3130198 NP 896 3812 0 58 -- <60 <05 <0 5 <0 5 <0 5 <5 0 21 <br /> 6/25198 NP 9 35 3773 h .036 -- <50 <0 6 <0 5 --05 <0 5 <5 0 3 2 <br /> 9111198 NP 947 3761 -012 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 126 <br /> 12/15/98 NP 931 3777 0 16 1 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 28 <br /> 3117/99 NP 9 16 3792 0115 <50 <0 5 <0 5 <0 5 <0 5 <5 0 18 <br /> 6/14199 NP 933 3775 -0 17 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 0 <br /> 9/16/99 NP 955 37 53 0 22 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 37 <br /> 12/22/99 NP 942 3766 01 1 3 11 - <50 <0 5 <0 5 <0 5 <0 5 <2 50 0 83 <br /> 2/29100 NP 8 93 3816 049 !I -- <50 <0 5 <0 5 <0 5 <0 5 <2 50 5 7 <br /> 67/00 I 1 Well inaccessible <br /> 9/25/00 Well inaccessible <br /> 12/21/00 Well inaccessible <br /> 3/27/01 P 926 3782 1 -0 33 <50 0 <0,500 <0 500 <0 500 <01100 c2 00" 2 3 <br /> 6120101 P 995 3712 -070 -- <50 <0 50 <0 50 <0 50 <0 50 <2 0' -- <br /> 9/12/01 P 938 3770 0 58 -- <60 <0 50 <0 50 <0 50 <0 60 <2 5 2 0 <br /> 12/19/01 P 928 3780 0 j0 <50 <0 50 <0 50 <0 50 <0 50 Q 0' 232 <br /> � li 11 <br /> SMW-1 10!7/94 5024 1286 3738 7i -- 2,200 250 110 <0 5 360 -- <br /> 12/16/94 12 64 3770 0 32 5,200 740 210 330 600 - <br /> 2128/95 1240 37 84 0 14 �� 8,300 1,000 330 450 790 -- <br /> 4/26/95 12 71 3753 -031 - 5,100 470 110 270 480 - <br /> 7/27/95 1300 3724 -0 29 7,400 410 42 360 630 -- -- <br /> 10/26/95 (a) 1303 -- �I -- -. -- -- -- -- -- <br /> 10/27/95 -- -- I -- 7,600 640 33 440 410 <br /> 2112/96 1200 -- - 3,800 390 <0 5 220 98 <br /> 4/18/96 1258 -- -0 68 1 -- 500 60 <0 5 20 7 4 -- <br /> 7/18/96 1285 -027 II - 3,400 200 <5 130 66 60 -- <br /> Projects/02093/Repone/Tables/gwtables2093 xis i <br />