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• i i <br /> Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station 112133 <br /> 2908 Benjamin Holt Drive <br /> $tocklon Calitorn[a <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 /> i <br /> Number Sampled (ft,MSL) (fl,TOC) (ft) (ft,MSL) Change(ft) (ugA) (ugti) (ugA) (ugA) (ugA) (ugA) (mg/L) <br /> MW-5 318195 1 04 1291 1187 1 800 43 47 33 60 <br /> 612/95 1140 1036 151 1 300 55 2 7 2 3 75 <br /> 9/11195 1365 1261 225 1,500 87 3 91 29 <br /> 12!5/95 1403 1299 038 2200 120 <10(e) 16 11 <br /> 3/18/96 10 82 978 321 8200 190 19 24 800 <br /> 6118/96 950 846 1 32 15 000 170 <25 <25 2 500 <250 <br /> 9!25196 12 30 1126 280 3 800 130 <5 84 71 <50 <br /> 1214/96 11 63 1059 067 4,200 88 <2 15 44 <20 <br /> 3/19197 P 718 — 614 445 1 400 26 5 6 46 98 01 <br /> 615!97 P 884 780 166 1 900 22 51 4 14 <10 02 <br /> 8/19/97 NP 1025 921 -141 <50 <05 <0 5 <0 5 <0 5 <5 02 <br /> 11/25197 NP 1048 9 44 023 210 <0 5 <05 <0 5 <0 5 <5 <br /> 3120/98 P 427 323 621 <50 <0 5 <06 <0 5 <0 5 <5 22 <br /> 6/24198 Well box inaccessible <br /> 9110/98 P 7 79 675 <50 <05 <0 5 <0 5 <05 <5 <br /> I <br /> 12/17/98 P 8 06 702 027 99 5 <0 5 <0 5 <0 5 <0 5 <5 — <br /> 3/10199 P 5 86 482 220 806 <0 5 <0 5 <05 <05 <5 2 8 <br /> 6/22199 Well box inaccessible <br /> 9/13/99 Well box inaccessible <br /> 12/16/99 P 925 821 186 096 <0 5 <0 5 103 <2 5 33 <br /> 3123/00 P 461 — 357 464 355 0 620 <05 <0 5 128 <2 5 20 <br /> 6121100 P 696 592 2 35 <50 <0 5 <05 <05 <0 5 <2 5 02 <br /> 9113/00 P 868 764 1 72 <50 <0 5 <05 <0 5 <0 5 <2 5 241 <br /> 12!15100 P 816 712 052 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 083 <br /> 3/wol P 610 506 206 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 35 <br /> 5110/01 P 619 — 515 009 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 3 0 <br /> 8122!01 P 888 784 269 <50 <0 SO <0 50 <0 50 0 58 <2 5 <br /> 1215101 P 8 07 703 0 81 82` 067 <050 <050 0 57 <2 5 079 <br /> 3/12102 P 631 527 1 76 <50 <0 50 <050 <0 50 <0 50 <2 5 098 <br /> 616102 P 724 620 093 <50 <0 50 <050 <0 50 <0 60 58 G62 <br /> 9/24102 P 902 — -798 178 <50 075 <0 50 <0 50 <0 50 <25 042 <br /> 12/17/02 P 744 640 1 58 <50 <050 <050 <0 50 <0 50 <2 0 <br /> 3/18103 P 723 619 021 <50 <050 <0 50 <0 50 <0 50 <2 5 158 <br /> 6117103 P 745 641 022 <50 <0 50 <0 50 <0 50 <050 <2 5 0 00 <br /> 9/24/03 a P 919 — -815 174 <25,000 <250 380 <250 <250 <250 031 <br /> QCTB 9124103 a — — — — — — <50 <0 50 <0 50 <0 50 <0 50 <0 50 — <br /> I1ProjectslARC0ti21331Tableslgwtables2133 Page 35 of 36 <br />