Visible smoke definition

Visible smoke means any air pollutant, other than visible water droplets, consisting of black, gray, blue or blue-black airborne particulate matter emanating from the exhaust system or crankcase. Visible smoke does not mean steam.
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Visible smoke means smoke which obscures light to a degree readily discernible by visual observation.
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Visible smoke means a visible suspension of carbon or other particles in air measured by a Ringelmann number greater than 2.
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More Definitions of Visible smoke

Visible smoke means a visible suspension of carbon or other particles in air measured by a
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Visible smoke means any air pollutant, other than visible water droplets, consisting
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Related to Visible smoke

  • Visible sheen means the presence of a film or sheen upon or a discoloration of the surface of the discharge. A sheen can also be from a thin glistening layer of oil on the surface of the discharge.

  • Visible area means that portion of the input surface of the image receptor over which incident x-ray photons are producing a visible image.

  • Accessible surface means surface of equipment or of an equipment part that can be easily or accidentally touched by persons without the use of a tool.

  • Visible emissions means any emissions, which are visually detectable without the aid of instruments, coming from RACM or asbestos-containing waste material, or from any asbestos milling, manufacturing, or fabricating operation. This does not include condensed, uncombined water vapor.

  • Visible means capable of being seen, whether or not legible, without visual aid by a person of normal acuity.