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BLP - Buoyant Line and Point source dispersion model

BLP (Buoyant Line and Point source dispersion model) is an air pollution model explicitly developed to simulate the pollution by aluminium reduction plants and other industrial sources, where the effect of plumes generated by stationary line sources is relevant. It can be used in flat, rural areas within a range of 50 km of distance and can include up to 50 point sources and 10 parallel line ones.
It generates short term (1, 3, and 24 hours) concentration output on a maximum of 100 points at ground level, but can average these values on a monthly or yearly horizon. It also provides the contribution of each source to the total concentration at each receptor.
Input and output are through files.


area: air quality
objectives: simulation, forecasting
description: rural environment, line sources, gaussian plume, line sources, rural environment, flat terrain, short term, long term, inactive pollutant


You can download the software from
EPA - SCRAM Models

or directly: http://www.epa.gov/scram001/models/othreg/brp.zip

The program is part of UNAMAP (version 6) and is available on diskette from:
Computer Products
National Technical Information Service
U.S. Department of Commerce
Springfield, Virginia 22161
Phone (703) 487-4650


Lloyd L. Schulman and Joseph S. Scire
Environmental Research and Technology, Inc.
696 Virginia Road
Concord, MA 01742


  • Schuman, Lloyd L., and Joseph S.Shire,1980. Buoyant line and Point Source (BLP) Dispersion Model User's Guide. Document P-7304B. Enviromental Research and Technology, Inc, Concord, MA. (NTIS PB 81-164642)


  • Schulman,L.L., and J.S.Scire,1980. Buoyant Line and Point Source (BLP) Dispersion User's Guide, P-7304B. Enviromental Research and Technology, Inc.,Concord, MA.
  • Scire,J.S., L.L.Schulman,1981. Evaluation of BLP and ISC Models with SF6 Tracer Data and SO2 Measurement at Aluminium Reduction Plants. APCA Speciality Conference on Dispersion Modeling for Complex Sources,St.Louis,MO.



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