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Page 6 of 7 <br /> Table 5 ^ <br /> Groundwater Elevation and Analytical Data <br /> Former ARCO Service Station 64932 <br /> 16 E Harding Way Stockton CA <br /> Well Depth Groundwater LPH Groundwater Ethyl- Xylenes MISE MtBE <br /> Well Date Elevat,on to Water Elevation Thickness Elevation TPHg Benzene Toluene benzene (total) 8020 (802018260) DO <br /> Number Sampled (ft MSL) (ft,TOC) (ft MSL) (ft) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg1L) <br /> EW 3 09/03/03 — — — — 3 600 <50 56 120 750 2,700 <br /> 12/03/03 — — — — 640 <5 0 <50 <10 33 240 <br /> 01/13/04 P 3178 — — — 150 <10 <10 <10 15 — 39 — <br /> EW-4 09104/03 — -- — -- 37 000 <2 500 <2 500 <2,500 <2,500 100,000 <br /> 12103/03 — — — — 12 000 <1 000 <1 000 <1 000 <1 000 110 000 <br /> 01113/04 P 3240 -- — -- 30,000 7 <2,500 <2,500 <2,500 <2,500 — 96,000 — <br /> EW-5 09104/03 — -- -- -- 5 800 <100 <100 <100 <100 5 900 <br /> 12/03/03 — — — — 440 <5 0 <50 <10 <5 0 230 <br /> 01113/04 3252 — — — 480 7 <25 <25 <25 <25 -- 1,300 — <br /> EW-8 11/20/02 P NS 31 07 — 0 00 — 26,000 390 1 500 1,200 6,200 440 280 043 <br /> 01/30/03 P 2973 — 0 00 — 26,000 s 1,800 2,500 1 500 6,200 720 600 0 83 <br /> 04/28/03 P 29 20 — 0 00 Well unable to be sampled connected to remedial system <br /> 07129!03" NP — — — — 4,300 s 220 57 17 87 -- 1000 — <br /> 10/08/03 3232 0 00 -- Insufficient amount of water in well for sample collection <br /> 01/12104 NP — -- -- — Insufficient amount of water in well for sample collection <br /> EW-7 09/03/03 — — — — 74 000 <2 500 <2 500 <2 500 <2 500 170 000 <br /> 12/03/03 — — — — 31,000 <1000 <1000 <1000 <1,000 90,000 <br /> 01/13/04 P 3175 — — — 44,000 7 <2,500 <2,500 <2,500 <2,500 — 110,000 — <br /> ProlecVARCO14932/ReporWFableslgwtables4932-1004 <br /> I <br />