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. Pa*of 36 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well pate Elevation to Water Thickness Elevation Elevation TPI-Ig Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-8 4/23191 1639 -- -1542 1 66 310 93 <0 5 <0 5 087 <br /> (cont} 7116/91 1889 -- -1792 250 200 18 <0 5 07 25 - <br /> 10/8/91 1946 - -1849 -057 <50 78 <05 <0 5 061 -- <br /> 1/22192 1769 - -1672 1 77 250 28 06 21 <0 5 - <br /> 4/22/92 1671 -1574 098 1,200 93 <2 5 37 53 <br /> 7/29/92 1821 -- -1724 -150 690 81 13 57 6 -- <br /> 10/29/92 1862 - -1765 -041 620 87 <0 7 71 67 <br /> 1/27/93 1542 -1445 320 960 31 <1 1 9 1 8 <br /> 4129193 1356 -1259 186 360 20 <4 2 22 17 <br /> 8/5/93 1528 -1431 -172 320 12 <0 5 23 1 6 -- <br /> 11/10/90 3 1562 -- -1465 -034 310 12 24 17 14 <br /> 3121/94 1500 -1403 062 220 09 1 1 1 0 13 <br /> 6/27/94 1479 -1382 021 400 24 24 46 20 <br /> 9/29/94 1576 -- -1479 -097 670 46 <0 5 89 <0 5 -- <br /> 12/8194 1537 -1440 039 190 35 1 1 1 24 <br /> 318195 1293 -1196 244 200 13 <0 5 29 <0 5 -- <br /> 611/95 1146 -- -1049 147 650 26 1 85 15 <br /> 9/11/95 1366 - -1269 -220 370 74 <0 5 21 <05 -- <br /> 1215195 1400 — -1303 -034 150 28 <0 5 1 1 <0 5 - <br /> 3118196 905 -- -808 495 2,000 19 <0 5 93 13 -- <br /> 6/18196 980 -- -883 -075 2,300 41 47 18 49 <5 <br /> 9125/96 1228 -- -1131 -248 2,000 31 <1 14 14 <10 <br /> 12/4/96 1173 -- -1076 055 1,800 29 <5 15 <5 <50 -- <br /> 3/19/97 NP 714 -617 459 840 19 1 1 94 082 -- 01 <br /> 615197 NP 882 -785 -168 900 13 14 47 13 <5 02 <br /> 8/19/97 NP 1027 -- -930 -145 1,000 13 4 24 084 <5 02 <br /> 11/25/97 NP 1047 -- -950 -020 140 <0 5 <0 5 <0 5 <0 5 <5 -- <br /> 3119198 NP 419 -- -322 628 <50 <0 5 <0 5 <0 5 <0 5 <5 24 <br /> 6124198 NP 622 -- -525 -203 <50 <0 5 <0 5 <0 5 <0 5 57 1 5 <br /> 9/10198 NP 804 -- -707 -182 548 <0 5 <0 5 <0 5 <0 5 <5 -- <br /> 12/17/98 NP 804 -- -707 000 <50 <0 5 <0 5 <0 5 <0 5 205 <br /> 3/10/99 NP 583 -- -486 221 <50 <0 5 <0 5 <0 5 <0 5 <5 -- <br /> 6/22/99 NP 776 -- -679 -193 <50 0 519 <0 5 <0 5 <0 5 <5 27 <br /> 9/13/99 NP 951 -854 -175 <50 <0 5 <0 5 <0 5 <0 5 <5 21 <br /> 12/16/99 NP 940 -- -843 Oil <50 <0 5 <0 5 <0 5 <0 5 307 1 8 <br /> 3/23100 NP 473 -376 467 <50 <0 5 <0 5 <0 5 <0 5 154 12 <br /> Projects/ARCO/2133/Reports/Table5/gwtables2133 As <br />