Aerosol 34 : Radiation and Radiological Disasters. Particles of solid or liquid matter that can remain suspended in air from a few minutes to many months depending on the particle size and weight
California Air Resources Board ARB (California Environmental Protection Agency), glossary of air pollution terms, Sacramento, CA, USA 2013. http://www.arb.ca.gov/html/gloss.htm, (Air Pollut - Amer) {594}