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Table 2 Summary of Ground Water Monitoring and Analysis Former Mobil Bulk Plant 04-343 Well Date Top of Depth' Ground TPH-G TPH-D Benzene Toluene Ethyl- Total Fecal Lead Phenol Diethyl 2-HEX ID Casing to' Water (ppb) (ppb) (ppb) (ppb) benzene Xylenes coloform (ppb) (ppb) Phthalate (ppb) Elevation Water Elevation {ppb} (ppb) (ppb) (ppb) (feet) (feet) (feet) AW-2 04/07/92 33.18 11.41 21.77 ND<30 ND<50 N0<0.30 14D<0.30 ND<0.30 N0<0.30 - - - - - (con't) 04/24/92 11.40 21.76 ND<30 ND<50 ND4.30 ND<0.30 ND<0.30 ND<0.30 - - - - - 07)20162 11.50 :.21.68. ND<50 .x ND<50..- .ND<0.5. _. ,ND<OaF'. .. ND<0.5 _ ND<0.5 - - - - - 1OM192 11.61 21.57 N0<50 N0<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - - OMM3 10.66 22.52 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - -- NDQ 0 NDQ.O ND<5.0 04/02/93 11.06 22.12 ND<50 ND<50 ND<0.5 ND<0.5 140<0.5 ND<0.5 - - - - - 05/27/93 11.15 22.03 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - - 102853 11.52 21.66 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - - 0121/94 11.44 21.74 ND<50 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - OM2194 11.25 21.93 NO NO NO NO NO NO - AW-3 10/02MO 32.92 11.42 21.20 4,200 10,000 0.5 3.6 4.0 21ND<2.2 ND<10 - 11l21w _ _ - - --- ND<2 - - - - 0211 MI 11.73 20.89- ND<300 9.800 NDQ.5 NDQ.5 ND-42.5 ND<5.0 NDQ ND<500 - -- - 05/07/91 32.18 11.14 21.04 210 ND<50 ND<0.3 ND<0.3 0.3 0.8 NDQ -- - - - 08/21/91 11.05 21.13 620 "" 22,000 ND<0.60 ND<o.60 ND<0.60 0.70" - - - - I M6191 11.67 20.51 610 2,600 ND<0.30 ND<0.30 ND<0.30 0.48 - - - 0221/92 11.37 20.81 ND<30 NNW ND<0.30 ND<0.30 ND4.30 ND4.30 - - 04/07/92 32.68 11.63 21.05 ND<30 75 ND<0.30 ND<0.30 ND<0.30 0.48 - - 0424192 11.62 21.06 120 1,400 ND<0.30 ND<0.30 ND<0.30 ND<0.30 - 07)21192 11.67 21.01 ND<50 870 ND<0.5 ND<0.5 ND<0.5 N0<0.5 - - - - 10/21/92 11.73 20.95 66 880 ND<o.5 ND<0.5 ND<0.5 ND<0.5 --01)22/93 11.01 21.67 ND<50 320 ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - ND-49-0 ND-0-0 ND<5.0 04/02/93 11.34 21.34 ND<50 120 NDt0.5 ND<o.5- ND<0.5 ND<0.5 - - - - Py.2d7 3a013&GW D& 8)2/94