INORGANIC MINERALS, this group of contaminants includes the minerals and toxic metals
RADIOACTIVE MINERALS, this group is really a subset of the first group and can include uranium, plutonium and radium
ORGANIC CONTAMINANTS, organic contaminants and wastes are compounds primarily composed of carbon, hydrogen, and potentially other elements. Gas or liquid-phase organic contaminants may include volatile organic compounds in the form of solvents, chemical precursors and intermediates, petroleum compounds.
