Particulates are little particles that float around in the atmosphere. They can either be solid or semi-solid. We usually see this in terms of haze or smog.

In water, particulates are referred to as suspended solids.

Origin[edit | edit source]

  • wind blown dust particles from roads, fields and construction
  • coal dust, fly ash, and combustion from various combustion sources
  • automobile exhaust

Particle size[edit | edit source]

  • less than 0.1 micrometer up to 45 micrometers: total suspended particles
  • larger particles seem to not remain suspended in the air

Effects on health[edit | edit source]

  • The nose filters out roughly 99% of particulate matter
  • Can cause respiratory problems as well as Lung Cancer

See also[edit | edit source]

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Authors Pmthomas99
Published 2007
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