1. Aldhydes (i.e., formalin, formaldhyde and glutaradhyde).
1. Chlorine –releasing agents (i.e., sod. Hypochlorite, chlorine dioxide, and chloramine).
1. Iodophors (i.e., povidone-iodine).
1. Phenols and bis-phenols (i.e., triclosan and hexachlorophan)
1. Quaternary ammonium compounds.
1. Pyroxygens (H2O2 and peracetic acid).