Record Display for the EPA National Library Catalog
RECORD NUMBER: 501 OF 549| Main Title | User's guide for PAL ; a gaussian-plume algorithm for point, area, and line sources / | ||||||||||||||||||||||||||||||||||||
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| Author | Petersen, William B. | ||||||||||||||||||||||||||||||||||||
| CORP Author | Environmental Sciences Research Lab., Research Triangle Park, N.C. | ||||||||||||||||||||||||||||||||||||
| Publisher | U.S. Environmental Protection Agency, | ||||||||||||||||||||||||||||||||||||
| Year Published | 1978 | ||||||||||||||||||||||||||||||||||||
| Report Number | EPA 600/4-78-013; EPA/DF-80/007B | ||||||||||||||||||||||||||||||||||||
| Stock Number | PB-281 306 | ||||||||||||||||||||||||||||||||||||
| OCLC Number | 07624805 | ||||||||||||||||||||||||||||||||||||
| Additional Subjects | Air pollution ; Atmospheric models ; Algorithms ; Concentration(Composition) ; Atmospheric diffusion ; Wind(Meteorology) ; Urban areas ; Industrial wastes ; Stadiums ; Parking facilities ; Shopping centers ; Airports ; Computer programs ; Fortran ; Gaussian plume models ; Air quality ; Point sources ; Nonpoint sources ; PAL computer program ; Plumes ; Dispersions ; Mathematical models ; Computerized simulation | ||||||||||||||||||||||||||||||||||||
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| Collation | vii, 155 p. : ill., charts ; 28 cm. | ||||||||||||||||||||||||||||||||||||
| Abstract | PAL is an acronym for this point, area, and line source algorithm. PAL is a method of estimating short-term dispersion using Gaussian-plume steady-state assumptions. The algorithm can be used for estimating concentrations of non-reactive pollutants at 30 receptors for averaging times of from 1 to 24 hours, and for a limited number of point, area, and line sources (30 of each type). Calculations are performed for each hour. The hourly meteorological data required are wind direction, wind speed, stability class, and mixing height. Single values of each of these four parameters are assumed representative for the area modeled. This algorithm is not intended for application to entire urban areas but is intended rather, to assess the impact on air quality, on scales of tens to hundreds of meters, of portions of urban areas such as shopping centers, large parking areas, and airports. Level terrain is assumed. |
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| Notes | EPA-600/4-78-013. |