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TABLE 1 <br />Historical Soil Analytical Data <br />Stockton Charter Way Commingled Plume <br />440, 441, 508 West Charter Way and 1444 South Lincoln Street, Stockton, California <br />Sample Name <br />Sample <br />Notes Depth <br />feet <br />Sampled Date <br />TPHg DRO <br />(mg/kg) (mg/kg) <br />MO TOG <br />(mg/kg) (mg/kg) <br />B <br />(mg/kg) <br />T <br />(mg/kg) <br />E <br />(mg/kg) <br />X <br />(mg/kg) <br />MTBE <br />(mg/kg) <br />TBA <br />(mg/kg) <br />DIPE <br />(mg/kg) <br />ETBE <br />(mg/kg) <br />TAME <br />(mg/kg) <br />Ethanol <br />(mg/kg) <br />1,2 -DCA <br />(mg/kg) <br />EDB <br />(mg/kg) <br />NAPH Lead <br />(ug/kg) (mg/kg) <br />Methanol Cadmium <br />(mg/kg) (mg/kg) <br />Total <br />Chromium <br />(mg/kg) <br />Nickel Zinc <br />(mg/kg) (mg/kg) <br />Paint <br />Thinner <br />(mg/kg) <br />CPT -9-20 <br />20 <br />09/01/04 <br /><1.0 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.010 <br /><0.010 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />CPT -9-50 <br />50 <br />09/01/04 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><2.5 <br /><1.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />CPT -9-85 <br />85 <br />09/01/04 <br /><1.0 <br />0.035 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.010 <br /><0.010 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />CPT -9-125 <br />125 <br />09/01/04 <br /><1.0 <br />0.012 <br />0.060 <br />0.013 <br />0.057 <br /><0.0050 <br /><0.010 <br /><0.010 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />CPT -9-149 <br />149 <br />09/01/04 <br /><1.0 <br /><0.0050 <br />0.014 <br /><0.0050 <br />0.019 <br /><0.0050 <br /><0.010 <br /><0.010 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />Notes: <br />-- = analysis not performed <br /><PQL = Below practical quantitation level per EPA Federal Register, November 13, 1985 <br /><x = not detected at method reporting limit x <br />- result by EPA Method 8020 <br />1,2 -DCA = 1,2-dichloroethane <br />2 - result by EPA Method 8260 <br />3 - analyte was detected at a concentration below the method reporting limit, but above the laboratory method <br />4 = analytical data collected from historical tables, analytical report not available <br />5 = sample location was excavated <br />BTEX = benzene, toluene, ethylbenzene, and total xylenes <br />DIPE = di -isopropyl ether <br />EDB = ethylene dibromide or 1,2-dibromoethane <br />ETBE = ethyl tert-butyl ether <br />TPI -Ig = Total petroleum hydrocarbons as gasoline <br />mg/kg = milligrams per kilogram <br />MTBE = methyl tert-butyl ether <br />ND = not detected above the laboratory method reporting limit <br />TAME = tert-amyl methyl ether <br />TBA = tert-butyl alcohol <br />NAPH = Naphthalene <br />Stockton_Charter Way_Historical_Soil_Data.As Page 15 of 15 Stantec <br />