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Is fe9of2l <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 TNckness 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) (mg/L) <br /> ATR-5 12122J1999 NP 1030 0 10 <50 <0 5 <0 5 <0 5 <0 5 <2 50 635 <br /> (coni) 2/29/2000 NP 970 0 60 <50 <0 5 <0 5 <0 5 <0 5 306 2 9 <br /> 6/7/2000 Well inaccessible <br /> 9/25/2000 NP 1057 -- <50 <0 5 <0 5 <0 5 <0 5 <2 50 040 <br /> 12/29/2000 P 1019 038 136 128 <0 500 <0 500 0 656 <2 00* 5 1 <br /> 3/27/2001 P 1004 015 808 <0 500 <0 500 <0 500 0 537 18 0* 3 5 <br /> 6/20/2001 P 1023 -- 019 -- i 50 17 <0 50 <0 50 0 67 220' -- <br /> 9/12/2001 P 1035 - -012 150 <0 50 <0 50 <0 50 <0 50 92 16 <br /> 1211912001 Well inaccessible <br /> 3/14/2002 Well inaccessible <br /> 6/28/2002 P 1038 - -- - 67 <0 5 <0 5 <0 5 <0 5 83* 4 7 <br /> 9/11/2002 P 1024 0 14 <50 <0 5 <0 5 <0 5 076 19* 3 7 <br /> 12/17/2002 Well inaccessible <br /> 313112003* P 1011 — -- <50 <0 5 <0 5 <0 5 <0 5 11 3 9 <br /> ATR-6 3/10/1989 49 35 <200 <0 5 <0 5 <0 5 <0 5 <br /> 6/21/1989 1154 3781 -- <60 <0 3 <0 3 <0 3 0 3 <br /> 9/18/1989 1160 3776 006 <50 0 5 13 0 3 3 8 <br /> 12/27/1989 11 57 3778 003 <50 <0 3 <0 3 <0 3 0 4 <br /> 4/18/1990 1168 37 67 Oil <60 19 2 4 0 6 5 <br /> 10/16/1990 -- -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 10/19/1990 1180 3755 -- - -- <br /> 1/10/1991 11 64 3771 0 16 - <50 <0 5 <0 5 <0 5 <0 5 - <br /> 4/10/1991 1152 3783 0 12 <50 <0 5 <0 5 <0 5 <0 5 <br /> 7/10/1991 1176 3759 -024 <60 <0 5 <0 5 <0 5 <0 5 <br /> 9/24/1991 11 95 3740 -019 <50 <0 5 <0 5 <0 5 <0 5 <br /> 1/23/1992 1166 3769 029 <50 <0 5 <0 6 <0 5 <0 5 <br /> 4/20/1992 1156 3779 010 - - - -- - -- <br /> 4/21/1992 - -- - - <50 <0 5 <0 5 <0 5 <0 5 - -- <br /> 7/8/1992 11 72 3763 - - <50 <0 5 <0 5 <0 5 <0 5 <br /> 10/7/1992 1182 3753 010 -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 1/18/1993 1104 3831 078 - <60 <0 5 <0 5 <0 5 <0 5 - <br /> 4/14/1993 1142 3793 0 38 -- 310 75 <0 5 <06 <0 5 - <br /> 8/31/1993 .- -- -- - -- <br /> 10/27/1993 1184 3751 - <50 <0 5 <0 5 <0 5 <0 5 <br /> 2/17/1994 -- -- - - <br /> 5/20/1994 - - <br /> K 1WprocessV5 6P ARCO1020931Quarterlyll QTR 0312093 GW MR1003 <br />