Total Suspended Particulate (TSP) 2 : Particles of solid or liquid matter - such as soot, dust, aerosols, fumes and mist - up to approximately 30 microns in size
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}