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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <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 (tt,TOC) (n ft,MSL Change(ft) (ugJ9 u ) (u9A) 00 (ugA) (ugA) (mglL) <br /> MW 2 1211511999 954 839 008 — 06 <br /> (cont) 3/2312000 P 486 — 371 468 <50 405 <0 5 <0 5 <0 5 <2 5 5 0 <br /> 6/21/2000 712 — 597 226 1 9 <br /> 9/1312000 NP 887 772 175 <50 <0 5 <0 5 <0 5 <05 <2 5 165 <br /> 1271512000 833 -- 718 054 — 1 76 <br /> 372/2001 P 630 — 515 203 <50 0 <0 500 <0 500 '0500 <0 500 <2 50 4 2 <br /> 5/1012001 636 — 521 006 — 2 4 <br /> 8/2212001 P 910 — 795 274 <50 <0 50 4 50 <0 50 <0 50 <2 5 <br /> 12!512001 P 827 — 712 083 <br /> 31 1 212 0 0 2 P 653 — 5 38 1 74 <50 <0 50 <0 50 4 50 <0 50 <2 5 143 <br /> 616/2002 744 -629 -091 — 0 67 <br /> 9/2412002 P 923 — 808 1 79 <50 <0 50 <0 50 <050 <0 50 3 0 024 <br /> 12/1712002 723 -608 200 <br /> 3118/2003 P 743 -628 -020 <50 <0 50 <0 50 <0 50 <0 50 Q 5 12B <br /> 6117!2003 7 66 — -651 -023 — — — — — — 0 10 <br /> MW 3 31811995 231 1418 — 1187 <50 <0 5 <0 5 <0 5 <0 5 <br /> 61111995 1255 — 1024 163 <50 <0 5 <0 5 <0 5 <0 5 <br /> 911171995 1484 12 53 229 <50 <0 5 <0 5 <0 5 <0 5 <br /> 12/5/1995 1520 — 1289 -036 <br /> 3118/1996 1075 — 8 44 445 <50 <0 5 <0 5 <0 5 <0 5 <br /> 6/1811995 1105 — -874 030 <br /> 9/25/1996 1351 11 20 246 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/4/1996 1282 — 10 51 069 — <br /> 3119/1997 p 8 40 — -609 442 <50 <0 5 <0 5 <0 5 <0 5 03 <br /> 6/571997 1010 779 170 0 2 <br /> 8/19/1997 NP 1155 — 924 145 <50 <0 5 <0 5 <05 <0 5 <5 0 2 <br /> 11125/1997 P t 1 71 — 940 016 -- — — <br /> 3119/1998 P 541 310 630 <50 <0 5 <0 5 <0 5 <0 5 <5 6 9 <br /> 6/24/1998 749 — 5 18 208 <br /> 9/1011998 P 917 — -6 B6 1 68 ND <br /> 12/1771998 923 -- 692 -006 <br /> 3/10/1999 P 701 — -470 222 <50 0 555 1 71 <0 5 0 931 <5 3 0 <br /> 612271999 902 — -671 2 01 — 3 8 <br /> 9113/1999 NP 10 54 — 823 1 52 <50 <0 5 4 5 105 <05 <5 23 <br /> 1 211 511 9 9 9 1060 — -829 006 4 5 <br /> 3/2312000 P 595 — 364 465 <50 <0 5 0 552 <0 5 1 18 <2 5 16 <br /> 6121/2000 820 — 5 89 225 -- — 08 <br /> 9/13(2000 NP 997 — 766 1 77 <50 <0 5 <0 5 <0 5 <0 5 <2 5 1 70 <br /> 12/1512000 943 712 054 094 <br /> 31212001 P 732 — 501 211 <50 0 <0 500 0 840 <0 500 1 14 <2 50 41 <br /> 5/10/2001 769 — 538 037 24 <br /> 8122/2001 P 1021 790 252 <50 <0 50 <0 50 <0 50 <0 50 <2 5 <br /> 12/5/2001 P 9 30 -699 001 <br /> 3112=2 P 758 627 1 72 <50 <0 50 <0 50 <0 50 <0 50 <2 5 0 94 <br /> Page 27 of 29 <br /> 11ProjectslARCO121331Tableslgw1ables2133 xfs <br />