Particulate matter in air, comprised of solid particles and liquid droplets, that has an aerodynamic diameter less than 10 micrometers. These inhalable particles are generally 10 micrometers in size and smaller.
Particulate matter in air, comprised of solid particles and liquid droplets, that has an aerodynamic diameter less than 10 micrometers. These inhalable particles are generally 10 micrometers in size and smaller.
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