How does Pb and TCE partition between components of soil (mineral, organic matter, air, and water fractions)? Where can each pollutant can be found if it is spilled on to a loam soil with about a neutral ph, and about 2% organic matter content? Solution lead is heavy metal as a mineral in soil while trichloroethylene is an ogranic pollutant present as organic matter lead will be found in as a mineral into the soil while TCE is present in air as organic pollutant..