Diffusion estimation for small emissions. Preliminary report

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Description

A simplified approach is presented to the calculation of ground level concentrations of effluents from small industrial and fuel burning installations. It is intended to serve as a first approximation to a very complex process. Because each stack, building, and terrain configuration is different, actual ground concentrations may frequently differ from the values calculated here by a factor of two. Nonetheless, this procedure should be useful for determining whether ambient air quality standards are likely to be met, exceeded, or only marginally obtained. It also predicts the locations where the highest and most frequent ground concentrations are likely. Sampling at ... continued below

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Pages: 62

Creation Information

Briggs, G.A. May 1, 1973.

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Description

A simplified approach is presented to the calculation of ground level concentrations of effluents from small industrial and fuel burning installations. It is intended to serve as a first approximation to a very complex process. Because each stack, building, and terrain configuration is different, actual ground concentrations may frequently differ from the values calculated here by a factor of two. Nonetheless, this procedure should be useful for determining whether ambient air quality standards are likely to be met, exceeded, or only marginally obtained. It also predicts the locations where the highest and most frequent ground concentrations are likely. Sampling at several such locations is very advisable, unless the predicted concentrations are quite low. In addition, consultation with a specialist in air pollution meteorology may be desirable, especially in marginal or unique situations. The procedures given here were designed especially for source heights of less than 100 m; some of the simplifications made are not valid for large emissions. In the few cases where more than arithmetic formulas are necessary, simple nomograms are provided.

Physical Description

Pages: 62

Notes

Dep. NTIS, PC A04/MF A01.

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  • Other Information: Portions of document are illegible

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  • Report No.: TID-28289
  • Grant Number: None
  • DOI: 10.2172/5118833 | External Link
  • Office of Scientific & Technical Information Report Number: 5118833
  • Archival Resource Key: ark:/67531/metadc1057441

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • May 1, 1973

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

Description Last Updated

  • Jan. 25, 2018, 4:16 p.m.

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Briggs, G.A. Diffusion estimation for small emissions. Preliminary report, report, May 1, 1973; United States. (digital.library.unt.edu/ark:/67531/metadc1057441/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.