Workbook for plume visual impact screening and analysis

Technical Report · Thu Sep 01 04:00:00 EDT 1988

OSTI ID:6281458

Latimer, D A; Ireson, R G

The Prevention of Significant Deterioration and visibility regulations of the U.S. Environmental Protection Agency (EPA) require the evaluation of a type of visibility impairment which can be traced to a single source or small group of sources known as plume blight. The Workbook presents current EPA guidance on the use of screening procedures to estimate visibility impairment due to plume blight and is an update and a revision to the earlier book. It is being issued as a draft for public comment until a final version is incorporated into the Guideline on Air Quality Models (Revised). It preserves the same 3-level screening approach and includes a new screening model (VISCREEN) that can be run on a personal computer. The VISCREEN model is used for both Level-1 and Level-2 screening analyses, and is designed to evaluate plume visual effects along multiple lines of sight across the plume's length for two different viewing backgrounds and for two different scattering angles.

• Research Organization: Systems Applications, Inc., San Rafael, CA (USA)
• OSTI ID: 6281458
• Report Number(s): PB-89-151286/XAB; EPA-450/4-88/015
• Country of Publication: United States
• Language: English

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