http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
American Academy of Environmental Engineers
V. 1. Bioremediation -- v. 2. Chemical treatment -- v. 3. Soil washing/soil flushing -- v. 4. Stabilization/solidification -- v. 5. Solvent/Chemical extraction -- v. 6. Thermal desorption -- v. 7. Thermal destruction -- v. 8. Vacuum vapor extraction.