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01 <br /> *of21 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Seance 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) ME DO <br /> Number Sampled (ft,MSL) (ft,TQC) (ft,MSL) Change(ft) (ft) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (mg/L) <br /> ATR 3 2/18/1994 1200 3793 039 1,900 200 27 120 140 <br /> (cont) 5/20/1994 1207 3786 -007 sheen -- - - -- ' <br /> 10/7/1994 1238 37 55 -0 31 sheen - -- - <br /> 12/16/1994 1203 37 90 0 35 sheen <br /> 2128/95^ 1206 3790 000 003 - <br /> 4/26/1995 1232 3761 -029 sheen <br /> 7127/1995 1251 3742 -019 - - <br /> 10/26/1995 (a) 1297 -- - -- _ "" - -- -" <br /> 2/12/1996 1210 -- 0 87 1,500 89 <0 5 43 150 - <br /> 4/18/1996 1260 - -0 50 -- - -- -- -- -- <br /> 7/18/1996 1260 000 1 600 26 S 2 70 51 1,800 <br /> 11/15/1996 1340 - -0 80 - -- -- -- — .. <br /> 3/14/1997 NP 1334 006 1,200 10 <0 5 43 19 620 006 <br /> 6/4/1997 1270 -- 064 - -- - - -- -- 015 <br /> 8/11/1997 NP 1272 -002 3,400 20 <10 160 110 <50 <br /> 11/17/1997 1293 -021 - -- -- -- - "" - <br /> 3/30/1998 NP 1218 -- 075 -- 8400 <2 5 <2 5 100 52 120 0 8 <br /> .. .. <br /> 6/25/1998 1241 023 - -- -- <br /> 9/11/1998 NP 1284 043 1 100 6 1 <0 5 25 22 41 123 <br /> 12/15/1998 1160 -- 124 - - -- - - "" 21 <br /> 3117/1999 NP 1241 -0 81 652 1 41 <0 5 11 7 7 29 16 4 7 8 <br /> 5/14/1999 1270 -- -0 29 -- -- -- <br /> .. - -- - 120 <br /> 9/16/1999 NP 1279 -009 2,800 175 <5 0 499 151 523 1 9 <br /> 12/22/1999 1276 003 -- -- -- - -- -- 0 37 <br /> 2/29/2000 NP 1210 066 - 405 2 35 <1 00 5 15 1 18 2,160 3 6 <br /> 6/7/2000 NP 1281 -0 71 - -- -- -' <br /> 9/25/2000 NP 1301 -0 20 - 2,350 <2 50 5 65 269 840 464 0 60 <br /> 12/29/2000 1147 154 - - -- -- -- -- 4 2 <br /> 3/27/2001 P 1249 -- -102 <50 0 <0 500 <0 500 <0 500 <0 500 526` 3 2 <br /> 6/20/2001 1265 -0 16 - -- -- -- -- - - <br /> 9/12/2001 P 1271 -- -0 06 - 54 0 53 10 066 2 5 8 3 2 5 <br /> 12/19/2001 1256 - 015 - -- __ . -. -- -- <br /> 3/14/2002 P 1257 0 01 2300 <10 10 <10 <10 <5 0" 128 <br /> 6/28/2002 -- - -- - - -- -- -- -- -- <br /> 9/11/2002 P 1278 -- -- 51 <0 5 <0 5 <0 5 <0 5 <0 5' 2 9 <br /> 12/17/2002 -- - -- - - - -- -- <br /> 3/3112003* P 1256 -- — — 150 <0 5 <0 5 <0 5 <0 5 5 2 2 8 <br /> ATR-4 4/23/1987 4903 1085 3818 - 21,000 3,000 200 <10 950 - <br /> 12/22/1987 1100 3803 -015 - -- 5,300 310 430 270 - <br /> K SWproce38V5 BP AS00W2093\Quarterly\1 OTR 03\2093 GW MR1003 <br />