Founded in 1993 by the Municipality of Tehran, Iran, the primary role of AQCC is providing research, consultation, planning and implementation of services regarding air and noise pollution in Tehran.

The Air Quality Management (AQM) Resource Centre is maintained at the University of the West of England in Bristol, England. It provides much useful information, including brief descriptions of many British and USA air dispersion models.

A United Kingdom committee of members from government departments and agencies, nuclear industries and research organizations. The committee's purpose is to review current understanding of atmospheric dispersion and to identify suitable models for us

A report published in 1995, "Atmospheric Dispersion Modeling Resources", can be downloaded from this site. It includes descriptions, contact people, and other details about 94 dispersion models. The report was developed by the: Subcommittee

Publicizes the book "Fundamentals Of Stack Gas Dispersion" ... a comprehensive single-source reference book on dispersion modeling of continuous, buoyant pollution plumes. Includes published peer reviews, complete Table of Contents, and in

Based at the Manchester Metropolitan University in the United Kingdom, ARIC is a research center for study of atmospheric pollution issues caused by industrial, power generation, and transportation sources. ARIC focuses on the basic elements of the s

This online technical article presents and explains two published source-term models for calculating the time-dependent decrease in pressure, temperature and weight of gas in a pressurized gas system or vessel during an accidental release. The same w

Provides directories by state and by speciality of the Certified Consulting Meteorologist members of the American Meteorological Society, many of whom specialize in air pollution dispersion modeling analyses and studies.

The program is part of the Commonwealth Scientific and Industrial Research Organization (CSIRO) in Australia. Within the program, a Pollution Dispersion team: studies the Lagrangian theory of turbulent dispersion; conducts laboratory and field studie

This online technical article provides a number of useful unit conversions and formulas pertaining to air dispersion modeling. The same website includes four more online technical articles.

This section of the Environmental-Expert.com site has a searchable index of feature articles concerning air pollution, including feature articles on dispersion modeling.

Describes the dispersion modeling research programs of the Environmental Software and Modeling Group in the Computer Science School at the Polytechnical University in Madrid, Spain. Of interest is the IMW program which is a Visual Basic model based

A Canadian alliance of industry, universities and government committed to sponsoring research and development, including the study of the AERMOD, ISCPRIME and ONTARIO REGULATION 346 air dispersion models on various types of air pollutant emission sou

This online technical article provides a sensitivity study of the Gaussian dispersion modeling of continuous, buoyant pollution plumes which illustrates how seemingly minor changes in some of the key variables can result in a propagated over-predicti

The European Topic Center on Air Quality (ETC-AQ) has developed a consistent system for describing air dispersion models, which now encompasses over 90 European models. The ECT-AQ is led by the National Institute of Health and Environment (RIVM) in t

An extensive list of European air dispersion models contained in an appendix of a report published by the European Environmental Agency headquartered in Copenhagen, Denmark.

A discussion of the algorithms used in urban air dispersion models such as: area source and elevated point source models; street canyon and highway sub-models; plume rise; converting one averaging time to another ... all contained in an annex of a re

The activities of the Air Quality Research department at the Finnish Meteorological Institute (FMI) include atmospheric dispersion modeling for: urban air quality, regional and long-range transport, and accidents involving hazardous materials.

A comprehensive list of literature references on Lagrangian air dispersion modeling, compiled by Dr. Marek Uliasz.

A comprehensive list of literature references on mesoscale meteorology compiled by Dr. Ming Xue, many of which relate to various aspects of air dispersion modeling.

This online technical article chronicles the evolution of Briggs' plume rise equations and provides a logic diagram for using the Briggs equations to calculate the plume rise of bent-over buoyant plumes. The same website has four more online technica

The team is part of the Technology & Safety Assessment (TSA-4) Division of the LANL. The air quality team works with meteorological, air chemistry, plume dispersion, computational fluid dynamics, and emissions models. The site includes model desc

Based in the Abu Dhabi, United Arab Emirates and with an office in Rueil-Malmaison,France, this firm's services include health, safety and environmental (HSE)training courses either online or onsite. Courses are available in air dispersion modeling,

Located at the University of California's Lawrence Livermore National Laboratory (LLNL), the National Atmospheric Release Advisory Capability (NARAC) is a national emergency response service for real-time assessment of incidents involving accidental

Within the U.S.'s National Oceanic and Atmospheric Administration (NOAA), the ARL conducts research on the transport, dispersion, transformation, and removal of atmospheric pollutants ... leading to the development of air quality and dispersion model

Describes a graphical user interface (GUI), developed by the Civil Engineering Department of the Old Dominion University, for using the U.S. EPA's ISC3 models in the Microsoft Windows environment. Presents an excellent discussion of the ISC3 models

Omni is a demonstrator site for disseminating modeled and monitored air pollution data in an accessable form. Details of methodology are included. The data covers the London, England area.

Publicizes the book "Air Pollution Meteorology and Dispersion" ... a review of the basic theories, models, experiments, and observations of pollutant dispersal in the atmosphere.

Local Air Quality Management (LAQM) guidance document published by the United Kingdom's Department for Environment, Food and Rural Affairs.

The Atmospheric Transport & Exchange section of the Risoe laboratory performs research into boundary-layer meteorology and atmospheric turbulence, and into environmental problems related to the transport of airborne pollutants. Typical research t

The U.S. EPA's SCRAM website public discussion forum (moderated) for all aspects of the EPA's various air pollution dispersion models.

This online technical article provides the source term equations (and explains how to use them) for calculating the flow rates from a number of different types of accidental gaseous releases. The same website has four other online technical articles

Site maintained by the "Internet Journal of Urban Climate" based in Germany. Provides a list of over 30 air dispersion models (and other related models) used in Germany and elsewhere in Europe. Also includes description of each model and h

The Environmental Systems division of the Aerospace Corporation has developed a model validation program (MVP) for improving the toxic hazard dispersion models used at space vehicle launch sites (Cape Canaveral in Florida and Vandenberg Air Force Ba

The Computer-Assisted Protective Action Recommendation System (CAPARS) is an integrated model for predicting the path and impacts of an atmospheric release of hazardous materials. It is used by a Regional Atmospheric Response Center (RARC) in Denver

The George Mason University in Virginia has a research program called CHARM (Coordinated Hazardous Atmospheric Release Modeling). The focus of the program, funded by the U.S. Defense Department, is on atmospheric transport and dispersion of releases

A database of 27 different air dispersion models. Each model entry includes: a description, where to obtain the software, the original authors, and literature references pertaining to the model. Sponsored by a consortium of 10 countries in Europe, Af

Located at the Washington State University (in Pullman, Washington, USA), the Laboratory for Atmospheric Research (LAR) investigates the fundamental nature of pollutant transport and dispersion through a combination of halogenated tracer field progra

Developed by the United Kingdom's Meteorological Office, the NAME model is part of the contingency plans in the event of accidental releases of radioactivity into the atmosphere: to provide early warning for the guidance of emergency services; and to

The Group is responsible for leadership on the full range of the EPA's air dispersion models. It also serves as the focal point on modeling techniques for other EPA headquarters staff, Regional Offices, and State and local agencies. The names, email

The U.S. Environmental Protection Agency uses this site to provide information on the many dispersion models supporting regulatory programs required by U.S. law. All of the EPA's dispersion models and their Users' Manuals can be downloaded cost-free

The mechanical engineering department of the University of California at Riverside (UCR) has an air quality modeling group performing research in the development and application of small-scale dispersion models, as well as the development of simplifi