Air Dispersion Models and Consultants

RTP has offices nationwide in the USA and has performed modeling studies for: rural and urban locations; single-point sources; complex multi-source industrial sources; flat terrain; complex terrain; and time and spatial scales from short-term to multi-year analyses over distances of several meters to several hundred kilometers.

Located in Waltham, Massachusetts, TEI provides consulting for air quality and noise issues. Their services include: permit applications; siting and feasibility studies; environmental impact assessments; and technical support tasks such as air dispersion and noise modeling, planning, and monitoring.

Specializing in air permits and air compliance throughout the U.S. Offers workshops and consulting.

Environmental consultants with offices in Washington, DC and San Francisco, CA in the USA, Paris in France, and Brussels in Belgium. Services include atmospheric modeling and assessment.

Vector AS is based in Tønsberg, Norway and offers air dispersion modeling using WindSim, which is a flow and dispersion simulator for complex terrain using computational fluid dynamics (CFD).

WebMET is a repository of meteorological data for air dispersion models such as ISCST3, ISC-PRIME and AERMOD, as well as for digital elevation terrain data. The data covers the entire United States and can be downloaded free of charge. The site is sponsored by Lakes Environmental located in Ontario, Canada.