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<br /> Table 2
<br /> Groundwater Elevation and Analytical Data(ARCO)
<br /> ARCO Service Station#2133
<br /> 2908 West Benjamin Holt Drive
<br /> Stockton Caldomia
<br /> Well Depth Groundwater - Ethyl- Total x
<br /> Well Date - well
<br /> to Water Elevation TPH9 Benzene` Toluene benzene Xylenes- MtBE 'DO
<br /> ID sampled notes (tt,MSL) (tt,TOc) (tt,MSL) {Ng/L) (I,g/L) ;�, (pg1L) (pg/L:) (Jig/Ll (p§1L) (mg1L)
<br /> E-10 11/10/93 1585 -1459 31 000 2,600 290 1 500 4 400 - -
<br /> (cont) 03/21/94 1529 -1403 28 000 2,900 290 1,700 4,500 - -
<br /> 06/27/94 1510 -1384 25 000 3,000 180 1 900 4 100 -- -
<br /> 09/29/94 1611 -1485 27 700 3200 150 1,780 2,900 - -
<br /> 12108/94 1571 -1445 18,000 3,300 110 1 700 3,000 - -
<br /> 03/08/95 1328 -1202 38 000 2,100 260 1 800 4,000 - -
<br /> 06/01/95 a 1449 -11 18 -- -- - - - - -
<br /> 09111/95 a 1501 -1277 - - - - - - -
<br /> 12l05195 a 1464 -1310 - - - -- - -- -
<br /> 03/18/96 955 -829 370 000 7 300 2200 9 900 62 000 - -
<br /> 06/18/96 887 -761 400,000 390 3 600 2,000 16,000 6200 -
<br /> 09/25/96 1258 -1132 28 000 2 100 3 900 600 5,100 16 000 -
<br /> 12/04/96 1205 -1079 55 000 3,600 3,900 1,300 9 800 27,000 -
<br /> 03/19/97 P 737 -611 1 600 39 43 52 48 1 100 01
<br /> 06/05/97 NP 897 -771 100 28 <05 <05 20 61 01
<br /> 08/19/97 NP 1043 -917 750 18 30 36 19 1,900 01
<br /> 11/25/97 NP 1161 -1035 10,000 1,000 320 200 1,400 46 000 -
<br /> 03/20/98 P 465 -339 7,300 2,000 68 350 260 32 000 55
<br /> 06/24/98 P 666 -540 15 000 110 130 120 660 19 000 1 0
<br /> 09/10/98 NP 832 -706 196 686 1 18 123 617 1,870 -
<br /> 12/17/98 NP 842 -716 5 020 1 230 51 6 239 313 17 600 -
<br /> 03/10/99 P 621 -495 1 620 235 142 71 9 859 3 980 82
<br /> 06/22/99 NP 877 -751 160 707 0 685 <0 5 <05 893 33
<br /> 09/13/99 NP 981 -855 128 931 <0 50 <0 50 1 23 299 18
<br /> 12/16/99 NP 945 -819 10,800 2,290 607 433 515 17,800 14
<br /> 03/23/00 P 478 -352 1 520 161 <100 455 212 3 310 17
<br /> 06/21/00 P 704 -578 3 770 434 367 560 286 429 01
<br /> 09/13/00 NP 879 -753 1,130 155 662 106 470 1,030 19
<br /> 12/15/00 P 825 -699 18,200 1 440 824 245 424 10 700 07
<br /> 03/02101 P 619 -493 6 830 1,770 <50 0 131 228 19,600 -
<br /> 05/10101 P 662 -536 4,500 879 229 721 354 2 750 -
<br /> 08/22/01 P 905 -779 8 800 810 250 360 1 500 13 000 -
<br /> 12/05/01 c P 848 -722 11 000 2 400 110 580 600 37,000 68
<br /> 03/12102 P 647 -521 <20 000 610 <200 <200 450 44,000 09
<br /> 06/06/02 c,P 735 -609 8,400 200 <50 <50 <50 14,000 02
<br /> 09/24/02 d, P 910 -784 570 58 <2 5 <2 5 <2 5 780 01
<br /> 12/17/02 P 797 -671 12 000 620 68 160 <20 8,500 --
<br /> 03/18/03 P 745 -619 1 1 100 65 <5 0 <5 0 <50 1,300 1 1
<br /> 2133-OMR-Tables 2&4&5 Page 20 of 41 SECOR
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