An environmental engineering firm headquartered in Helena, Montana, USA, whose services include: air dispersion modeling; air emission inventories, air permit applications, and risk management plans (RMPs).
An acoustical and environmental engineering consulting firm based in Sydney, Australia that provides a range of services which includes air dispersion modeling.
Consultants (in Woodland Hills, California, USA) who offer services in: dispersion modeling (using ISCST3 model); regional air quality modeling (for ozone and for particulate matter); urban airshed modeling; and accidental release modeling (using ALOHA, CAMEO, SLAB, DEGADIS and SCREEN models).
Det Norske Veritas (DNV), headquartered in Oslo, Norway, is an international consulting firm with numerous offices worldwide. Their primary focus is on safety, environmental, risk management, and consequence analyses using their own PHAST dispersion modeling software.
Services include stack testing, stationary source isokinetic sampling, continuous emission monitoring, compliance permitting, air toxics pollution emission sampling, ambient air quality dispersion modeling. Located in Pennsauken, New Jersey, USA.
Scientific consultants in the field of atmospheric dispersion located in Cambridge, England.. They offer a range of air dispersion models including: ADMS 3 for dispersion of industrial emissions; ADMS-SCREEN for initial screening studies of emission dispersion; and GASTAR for dispersion of accidental dense gas releases.
These consultants, located in Italy, provide a number of air dispersion models. The site includes an online Gaussian dispersion model called Tox-Flam, for releases of inert buoyant pollutants into a mixing layer of a user-specified height.
An air quality consulting firm, headquartered in Englewood, Colorado, USA with other offices in Arizona and Wyoming. Their services include air dispersion modeling for determining: ambient impacts for permitting industrial sources, impacts of cooling tower plumes, impacts of complex terrain on pollutant dispersion, mobile source impacts, and toxic air pollutant exposures.
Air quality consultants (located in Salt Lake City, Utah, USA) who provide a comprehensive range of air dispersion modeling services. The site includes links to the specifics of their various services as well as to a listing of the names, email addresses, and experience of their key people.
Located in Waltham, Massachusetts, USA, 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.
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