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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station #2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton, California <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (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-9 8/5/93 1583 -1427 -164 16,000 370 22 220 460 <br /> (cont) 11/10/93 1618 - 1462 035 12,000 210 21 200 390 <br /> 3/21/94 1551 -1395 067 6,300 170 24 200 320 <br /> 6127/94 1534 -1378 017 10,000 780 18 660 980 <br /> 9/29/94 1636 -1480 102 8,800 430 14 470 630 <br /> 12/8/94 1597 -- -1441 039 7,800 450 20 610 810 <br /> 3/8/95 1354 -11 98 243 8,600 100 <20 230 260 - <br /> 6/1/95 1202 -1046 1 52 24,000 550 38 870 2,000 <br /> 9/11195 1422 -1266 220 150,000 1,700 7,600 3,000 14,000 <br /> 1215/95 1458 -1302 036 45,000 960 1 500 1,000 3,200 - <br /> 3118/96 962 -806 496 8,800 290 130 240 490 - <br /> 6118/96 1035 -879 -073 1,600 110 32 69 91 110 <br /> 9125/96 1282 -- 1126 247 2,800 130 <5 180 46 83 <br /> 12/4/96 1220 -1064 062 2,800 290 32 250 80 560 -- <br /> 3/19/97 NP 772 - -616 448 <50 <05 <0 5 <0 5 <0 5 <5 01 <br /> 6/5/97 NP 939 -783 167 <50 <0 5 <0 5 <0 5 <0 5 85 02 <br /> 8/19/97 NP 1084 928 145 <50 <0 5 <0 5 <0 5 <0 5 <5 02 <br /> 11/25/97 NP 11 10 -- -954 -026 <50 <0 5 <0 5 <0 5 <0 5 <5 -- <br /> 3/19/98 P 480 -324 630 <50 <0 5 <0 5 <0 5 <0 5 320 0 9 <br /> 6/24/98 NP 676 -520 1 96 <50 <0 5 <0 5 <0 5 <0 5 <5 22 <br /> 9110/98 NP 859 703 1 83 <50 <0 5 <0 5 <0 5 <05 <5 -- <br /> 12/17/98 NP 861 -705 002 <50 <0 5 <0 5 <0 5 <05 150 -- <br /> 3/10/99 NP 647 -491 214 <50 <0 5 <05 <0 5 <0 5 <5 37 <br /> 6122/99 NP 839 -683 -192 <50 <0 5 <0 5 <0 5 <0 5 <5 29 <br /> 9/13/99 NP 1007 - -851 -168 <50 <0 5 <0 5 <0 5 <0 5 127 1 9 <br /> 12/16/99 NP 999 -843 008 <50 <0 5 <0 5 <0 5 <0 5 <2 5 37 <br /> 3123100 NP 531 375 468 <50 <0 5 <0 5 <0 5 <0 5 <2 5 45 <br /> 6/21/00 NP 749 -593 218 <50 <0 5 <0 5 <0 5 <0 5 <25 01 <br /> 9/13100 NP 930 -774 1 81 907, <05 <0 5 <05 <0 5 <2 5 406 <br /> 12/15/00 P 880 -724 050 392 323 <0 500 540 100 812 1 10 <br /> 3/2101 P 689 -533 1 91 439 710 <0 500 15 2 402 224 43 <br /> 5/10/01 P 680 -524 009 343 534 0 601 996 268 892 32 <br /> 8/22/01 P 959 803 -279 160 330 089 62 12 10 -- <br /> 12/5/01 P 883 -727 076 240 43 <0 50 82 20 20 135 <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As 17 <br />