Some experiment results of conduction and induced polarization characteristics for polluted water with the variation of the pollution concentration

In order to find out the possibility of adopting resistivity, electromagnet ic and induced polarization methods to inspect the polluted ground water, w e present some experimental results of resistivity, polarizability, half de cay time and the rate of deviation vs. the pollution concentration in the w ater and sand samples containing water when adding different concentration of inorganic and organic pollutant into them. The experimental results in t he water samples indicate that except a few organic polluted samples' resis tivity increase with the pollution concentration, the resistivity of the ot her inorganic and organic polluted samples decreases with the increase of t he polluted concentration. The results in the sand samples containing water indicate that all kinds of polluted samples' resistivity and polarizabilit y decrease with the increase of the pore solution concentration. But to par ameters of induced polarization time characteristics, half decay time decre ases, but rate of deviation increases when pollution concentration increase s. We indicate that it is very difficult to inspect polluted groundwater wi th resistivity, electromagnetic and induced polarization methods.