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<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 Elevaton to Water Elevation Elevation Thickness TPHg Benzene Toluene benzene (total) MtBE DO
<br /> Number Sampled (it,MSL) (ft,TOC) (ft,MSL) Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L)
<br /> ATR-2 9125100 NP 1211 3711 000 <50 <0 5 <0 5 <0 5 <0 5 141 0 30
<br /> (cant.) 12/29/00 P 1203 3719 008 -- <50 0 <0 500 <0 500 <0 500 <0 500 89' 5 6
<br /> 3127101 P 1192 3730 Oil <50 0 <0 500 <0 500 <0 500 <0 500 37 2" 4 1
<br /> 6/20101 P 1203 3719 -0 11 <50 <0 50 <0 50 <0 50 <0 50 96` --
<br /> 9/12/01 P 1218 3704 -016 -- <500 <5 0 <5 0 <5 0 <5 0 Soo 29
<br /> 1209!01 p 1197 3725 021 - <500 <5 0 <5 0 <5 0 <5 0 250' 082
<br /> ATR-3 4123187 49 93 1179 38 14 -- -- 17,000 2,300 180 <5 0 2,300 -
<br /> 12/22487 1193 3800 -014 - -- 5,000 50 530 250 -- --
<br /> 3/24/88 1258 $736 -0 65 - 43,000 8,300 8,700 4,400 7,800 -- --
<br /> 6/23/88 1117 3876 141 -- 70,000 6,160 4,221 1,800 4,750
<br /> 9129188 1223 3770 -106 -- 57,400 8,850 17,600 2,190 8,170 --
<br /> 2122189 1182 3811 0 41 110,000 1,000 2,100 480 2,000
<br /> 6/29/89 -- -- - 4,500 890 520 250 1,100
<br /> 9/18189 1219 3774 -- 7,400 1,000 1,300 460 2,200 -
<br /> 12/28/89 12 01 3792 018 -- 27,000 840 1,400 840 5,600 --
<br /> 4/18l90 1215 3778 -014 4,800 1,000 490 340 1,500
<br /> 10/16/90 1235 37 58 -020 -- 14,000 1,900 1,300 780 4,600 -- -
<br /> 10/19/90 1228 3765 007
<br /> 1/10/91 1201 3792 027 -- 2,600 610 230 160 670 --
<br /> 4/10191 1182 3811 019 3,000 910 120 110 190 ._
<br /> 7110191 1223 3770 -0 41 -- 19,000 420 300 340 760 --
<br /> 9/24/91 1257 3736 -034 -- 2,000 280 81 69 130 -- --
<br /> 1123l92 1212 3781 045 sheen
<br /> 412W92 1193 3800 019 sheen -- -- -- - -- -
<br /> 718/92 1222 3771 -029 sheen
<br /> 1017192 1238 3755 -016 sheen .-
<br /> 1/18/93 1122 3871 1 16 sheen
<br /> 4/14/93 1149 3844 -0 27 sheen
<br /> 8130193 1243 3750 -094 sheen
<br /> 10/27/93 1239 3754 004 sheen
<br /> 2118194 1200 3793 039 1,900 200 27 120 140 -
<br /> 5/20194 1207 3786 -007 sheen -- __ ..
<br /> 1017194 1238 37 55 -0 31 sheen
<br /> 12/16/94 1203 3790 035 sheen -
<br /> 2/28195^ 1205 3790 000 003
<br /> 4/26/95 1232 37 61 -029 sheen
<br /> ProlectEVO/2093JReportWTables/gwtables2093 As •
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