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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station 82133 <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 N TOC 1t tt,MSL Change(ft) (ug/0 (ugll) ug/1) (ugA) ugA) u ) (-911.) <br /> Ell 612211999 NP 1019 -677 200 <50 405 <0 5 405 <0 5 <5 36 <br /> (cont) 9113/1999 NP 1184 — 842 165 <50 <0 5 <0 5 <0 5 <05 <5 1 9 <br /> 12110999 NP 1182 — 840 002 <50 <0 5 <0 5 <0 5 <0 5 -25 63 <br /> 3123!2000 NP 710 368 472 <50 <0 5 45 4 5 45 <2 5 1 9 <br /> 6121=00 NP 935 — 593 225 <50 <0 5 <0 5 <0 5 <O 5 -25 1 5 <br /> 911MAN 0 NP 11 11 — 769 1 76 <50 '05 <0 5 <0 5 <0 5 <2 5 131 <br /> 1211512000 P 1058 716 053 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 1 17 <br /> 3/1/2001 P 846 — 504 212 644 0 865 0 717 <0 500 1 73 4 50 33 <br /> 5/10/2001 P 863 521 017 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 1 8 <br /> 812212001 P 1133 — 791 270 <50 4 50 <0 50 450 <0 50 <2 5 <br /> 121512001 P 1045 — 703 088 <50 <0 50 <0 50 <0 50 <0 50 <2 5 044 <br /> 3111/2002 P 872 5 30 1 73 <50 <0 50 <0 50 <O 50 <0 50 <2 5 138 <br /> 6/6/2002 P 967 -- -625 -095 150 <0 50 '050 <9 50 <0 50 <2 5 037 <br /> 972412002 P 1146 — 804 179 <50 <0 50 <0 50 <0 50 <0 50 <2 5 044 <br /> 12!1712002 P 980 -- -638 166 <50 <0 50 <0 50 <0 50 <0 50 <2 0 <br /> 3118/2003 P 967 — 625 013 <50 <0 50 <0 50 <0 50 4 50 <2 5 1 16 <br /> 611712003 P 990 — -648 -023 <50 <0 50 <0 50 <0 50 <0 50 <2 5 010 <br /> E 12 8/26/1988 196 — — <br /> 11/28119B8 — — 80 30 8 35 <br /> 2/2711989 -- — 121 34 22 36 <br /> 5/3011989 — -- — 384 1 9 is 131 <br /> 8/22!1989 — -- — 150 22 23 136 <br /> 12/4/1989 — — — 250 54 4 3 91 — <br /> 1/411990 1698 — 1502 <br /> 2/1/1990 1673 — 1477 025 — <br /> 2(15/1990 1669 — 1473 004 — <br /> 2122/1990 1756 — 1560 087 — <br /> 318l1990 1647 — 1451 109 91 7 164 3 145 <br /> 4/5/1990 1664 1468 -0 17 — <br /> 4/19/1990 1666 — 1470 002 <br /> 5H 011990 <br /> 5124/1990 1705 15 09 <br /> 6/5/1990 1703 — 1507 002 - <br /> 6/19/1990 1780 — 1584 -077 151 47 29 <br /> 7 6 <br /> 7/12/t99O 1787 — 1591 007 — -- — <br /> 8/1611990 — — — <br /> 9/17/1990 1848 1652 — <br /> 9/19/1990 1848 — 1652 000 1 100 18D 29 98 32 <br /> 11:01111990 1857 — 1661 -009 -- — — <br /> 12)6/1990 1843 — 1647 014 <br /> 211211991 1810 — 1614 033 500 21 58 12 20 <br /> 7!25/1991 1808 — 1612 002 — <br /> 4123/1991 1710 — 1514 098 <50 69 <0 5 <0 5 <0 5 <br /> 7/16/91 1974 -- 1778 264 320 11 <0 5 <0 5 09 <br /> 101811991 20 29 — 1833 -055 210 45 4 5 <0 5 <1 0 , <br /> I IProjects%ARCO121331TabiesVwtables2133 As Page 17 of 29 <br />