data = thermo+benzene.tdat decouple Carbon interval start = 0 yr, fluid = contaminated interval elution = 2 yr, fluid = flush interval end = 10 yr length = 1000 m Nx = 400 discharge = 30 m3/m2yr porosity = 30% dispersivity = 1 m scope = initial 10 mmolal Na+ 10 mmolal Cl- swap CO2(g) for HCO3- log fugacity CO2(g) = -3.5 8 mg/kg free O2(aq) pH = 5.5 .001 mg/kg Benzene(aq) scope contaminated = initial 1 mg/kg Benzene(aq) scope flush = initial kinetic redox-1 rxn = "Benzene(aq) + 7.5*O2(aq) -> 6*CO2(aq) + 3*H2O", \ rate_con = 1.2e-9, KA = .00016, mE = .001