Volume source (pollution)
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Examples of a volume source of pollution are:
- Dust emissions from the wind erosion of uncovered gravel piles, sand piles, limestone piles, coal piles, etc.
- Fugitive gaseous emissions from pipe flanges, packed valve seals, gas compressor seals, control valve seals, piping and vessel seals within industrial facilities such as oil refineries and petrochemical plants.
- Buildings, containing air pollutant emission sources, with no singular emission vent (i.e., buildings with multiple roof vents or multiple open windows).