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DELTA DISPOSAL SOIL AND GROUNDWATER MONITORING <br /> WELL INSTALLATION -DECEMBER 2008 <br /> Table 4. Soil Chemical Analysis Results, Sampled Dec. 11, 2008 <br /> Sample TPHD TPHG Ben To] Ethyl Xyl TBA MTBE DIPE ETBE TAME 1-2, EDB Eth Meth <br /> Number DCA <br /> Mg/ Mg Mg/ Mg/ Mg/ Mg Mg/ Mg/ Mg/ Mg Mg/ Mg/ Mg Mg/ Mg/ <br /> k /kg kg kg k /kg kg kg k /kg kg k /kg kg k <br /> MW-1 8.5 ND ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< <br /> 16.5' <1 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 20 0.050 <br /> MW-1 ND ND ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< <br /> 26.5' <1.0 <1 1 0.005 0.005 1 0.005 0.005 1 0.005 0.005 1 0.005 0.005 1 0.005 0.005 0.005 f 20 0.050 <br /> MW-2 4300 220 ND< ND< I ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< <br /> 16.5' 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 20 0.050 <br /> MW-2 ND ND ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< <br /> 26.5' <1.0 <1 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 20 0.050 <br /> MW-3 ND ND ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< <br /> @16.5' <1.0 <1 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 0.005 20 0.050 <br /> Mg/kg-Milligrams per kilogram. ND-None detected.See laboratory reports for complete results. <br /> Table 4 con't. Soil Volatile Organic Chemical Analysis Results (826013) <br /> Sampled Dec. 11,2008 <br /> COMPOUND MW-1 16.5' MW-1 26.5' MW-2 16.5 A MW-2 26.5' MW-3 @ 16.5' <br /> Mg/kg Mg/kg Mg/kg Mg/kg Mg/kg <br /> 2-Butanone ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 2-Chloreth (vin I ether ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 2-Hexanone ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 4-Meth I-2- entanone ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Acetone ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Benzene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Bromobenzene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Bromochloromethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Bromodichloromethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Bromoform ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Bromomethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> n-Butt benzene ND<0.005 ND<0.005 1.8 ND<0.005 ND<0.005 <br /> sec-Butt benzene ND<0.005 ND<0.005 2.5 ND<0.005 ND<0.005 <br /> Tert-But (benzene ND<0.005 ND<0.005 0.029 ND<0.005 ND<0.005 <br /> Carbon tetrachloride ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Chlorobenzene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Chloroethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Chlorform ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Chloromethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 2-Chlorotoluene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 4-Chlorotoluene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Dibromochloromethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,2-Dibromoethane EDB ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Dibromomethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,2-Dibromo-3-chloro ro ane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,2-Dichlorobenzene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,3-Dichlorobenzene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,4-Dicholorbenzene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Dichlorodifluoromethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,1-Dichloroethane I ND<0.005 I ND<0.005 I ND<0.025 I ND<0.005 ND<0.005 <br /> 1,2-Dichloroethane ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> 1,1-Dichloroethene ND<0.005 ND<0.005 ND<0.025 ND<0.005 ND<0.005 <br /> Page 13 of 17 <br />