| Physical Methods |
| Heat |
Humid or Wet Heat or Dry Heat |
| Radiation |
Ionizing Radiation or Non-ionizing
radiation |
| Filtration |
Retaining the organisms at certain
predetermined locations in the process system |
| Chemical Methods |
| Sterilization |
Ethylene Oxide, Formaldehyde |
| Disinfection |
Phenols, Alcohols, Hydrogen peroxide,
Quaternary ammonium salts |