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[_i r_77 r. >C 17-3 ["'I r,"-.1 117,71 (773' r r--! 11 r c."` Table 11 Cumulative Groundwater Analytical Results micrograms Per liter(pg/L) TPH-d TPH-g Benzene Toluene Well Date Sampled Ethyl Total MTBE DIPE ETBE TAME Tert Methanol Ethanol 1,2 DCA 1,2 DBA Volatiles Benzene Xylenes Butanol MW-7A 06/10/03 220 550 88 3.4 0.79 3.6 nd 1.6 nd nd 7.0 nd nd 0.91 nd ----- 09/09/03 nd 550 44 0.74 0.64 2.3 nd 1.4 nd nd 6.4 nd nd 1.1 nd ----- 12/17/03 nd 420 63. nd nd 1.6 nd 1.6 nd nd 7.1 nd nd 1.2 nd ----- 03/10/04 nd 120 22 nd nd nd nd 0.65 nd nd nd nd nd 0.55 nd ----- 05/25/04 nd 460 40 0.58 nd 1.4 nd 1.3 nd nd 7.0 nd nd 0.76 nd ----- 09/30/04 nd 330 20 1.7 nd 1.6 nd 1.2 nd nd 6.6 nd nd 0.80 nd ----- 1 ---- 12/16/04 nd 66 10 nd nd nd nd nd nd nd nd nd 6.7 0.55 nd ----- 03/31/05 nd 580 97 1.3 1.4 3.9 nd 1.4 nd nd 5.6 nd nd 1.1 nd ----- 06/21/05 nd 110 6.4 nd nd 1.1 nd nd nd nd nd nd nd 0.54 nd ----- 09/27/05 ,,-nd 18Q"' 18-_ nd _ 'nd.,.:.; nd.. . .. nd= 0.52 .:nd:.. _ nd,. nd.„_ nd nd :�: 0.60-- nd,- 12/29105 d,-12/29/05 nd nd 3.8 nd nd nd nd nd nd nd nd nd nd 0.70 nd ---- 03/23/06 nd nd 3.0 nd nd nd nd nd nd nd nd 64 nd 0.57 nd ----- 06/06106 nd nd 2.4 nd. nd nd nd nd nd nd nd nd nd 0.56 nd ----- 09/20/06 nd nd 2.2 nd nd nd nd nd nd nd nd nd nd 0.58 nd ----- 12/29/06 nd nd 1.3 nd nd nd nd nd nd nd nd nd nd D.56 nd ---- "TPH-d" Total petroleum hydrocarbons as diesel fuel. "TAME" Tert-amyl-methyl ether. "TPH-g" -Total petroleum hydrocarbons as gasoline. "1,2 DCA" 1,2-Dichloroethane. "MTBE" Methyl-t-butyl ether. "1,2 DBA" 1,2-Dibromoethane. "DIPE" Diisopropyl ether. ----- Not sampled and/or analyzed "ETBE" Ethyl-t-butyl ether. "nd" Not detected. JJW Geosciences Inc.1 Project No.8021 /JC Trucking