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Paf 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 Date Elevation to Water Thickness Elevation Elevation TPHg 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 /> BHD-1 4123/91 1599 — -1541 087 3,300 240 48 440 130 - <br /> (cont) 7/16/91 1800 - -1742 -201 7,000 420 420 400 830 -- - <br /> 10/8191 1850 -- -1792 -050 3,000 220 <4 0 210 15 - <br /> 1/22/92 1712 -1654 1 38 4,600 200 240 <10 260 - <br /> 4/22/92 1639 -- -1581 073 3,000 130 67 200 120 <br /> 7/29192 1793 -1735 -154 8,100 260 21 600 510 - - <br /> 10/29/92 1835 -- -1777 -042 1,800 60 <25 110 17 -- <br /> 1/27/93 1527 -- -1469 308 6,700 270 19 790 300 <br /> 4/29/93 1336 -1278 1 91 7,000 340 <20 610 460 <br /> 8/5/93 1485 -- -1427 -149 10,000 280 31 930 950 <br /> 11/10/93 1523 - -1465 -038 10,000 220 11 570 420 - <br /> 3121/94 1436 -1378 087 8,600 83 14 480 360 <br /> 6/27194 1430 -1372 006 9,600 110 32 490 420 <br /> 9/29/94 1546 1488 -1 16 7,200 170 12 460 340 <br /> 1218194 1499 -1441 047 8,200 160 14 560 640 <br /> 3/8/95 1281 - -1223 218 6,000 84 62 300 97 <br /> 611/95 1129 - -1071 1 52 7,100 97 <5 370 250 <br /> 9/11/95 1321 -1263 -192 5,600 110 6 340 270 -- <br /> 1215/95 1370 -- -1312 -049 9,200 74 <10 470 410 <br /> 3118/96 938 -- -880 432 4,200 99 28 360 320 -- <br /> 6/18196 950 -- -892 -012 5,500 82 <10 430 300 <100 - <br /> 9/25/96 1180 -- -1122 230 4,600 75 55 280 160 <50 <br /> 1214/96 11 50 -- -1092 030 4,500 83 11 350 220 <50 -- <br /> 3/19/97 P 702 -- -644 448 2,300 54 <10 190 100 -- 01 <br /> 615/97 NP 838 -- -780 -136 3,500 39 3 76 12 170 02 <br /> 8119197 NP 998 -- -940 -160 440 79 094 <0 5 <0 5 360 02 <br /> 11/25/97 NP 1042 -984 -044 1,300 28 085 79 28 220 - <br /> 3120/98 P 445 -387 597 490 34 3 37 24 210 54 <br /> 6/24198 P 592 -- -534 -147 5,500 37 <10 170 46 580 30 <br /> 9110198 NP 812 - -754 -220 349 319 <0 500 0 542 <0 500 567 - <br /> 12/17/98 P 770 -- -712 042 1,000 252 <1 0 109 368 627 -- <br /> 3110/99 P 655 -- -597 1 15 432 102 <0 500 159 173 263 23 <br /> 6122199 NP 813 -- -755 -158 162 <0 5 <0 5 <0 5 <0 5 728 08 <br /> 9/13/99 NP 928 -- -870 -1 15 420 <0 5 <0 5 0 956 <0 5 1,410 12 <br /> 12/16/99 Well box inaccessible <br /> 3/23/00 P 465 -- -407 - 559 <0 5 <0 5 137 0 627 <2 5 09 <br /> Pralects/ARCO/2133/Reportsrrables/gwtables2i33 As <br /> I <br />