Consultants, based in Dallas, Texas, USA, whose air quality consulting includes dispersion modeling services.
A firm of environmental consultants and engineers with corporate headquarters in Syracuse, New York and other offices nation-wide in the USA as well as Canada and the UK. Their services include air permitting, air regulation assistance and air dispersion modeling.
An environmental consulting firm based in Southern California, USA, whose services include air dispersion modeling, stationary source permitting, and emission inventories, allotments, and mitigations.
Environmental management consultants located in Columbus, Missouri, USA. Their services include: air quality monitoring; air permitting; and air dispersion modeling involved in evaluating the offsite consequences of accidental releases and of air toxics emissions.
Yamada Science & Art Corporation (YSA), located in Santa Fe, New Mexico, USA, specializes in computer modeling of atmospheric airflows and the dispersion of airborne materials over complex terrain. YSA developed, markets, and provides user support for the three-dimensional atmospheric models HOTMAC and RAPTAD.
ECCI is a consulting firm with offices in Little Rock, Arkansas, USA. Services include consulting, Clean Air Act permitting/modeling, industrial risk, SPCC, hazardous waste and a full range of engineering services.
A consultant group based in Mississauga, Ontario, Canada (with multiple offices in Canada) who offer air dispersion modeling services. The dispersion models utilized include Ontario Regulation 346 as well as these U.S. EPA models: Screen3, ISCST3, and AERMOD.
A worldwide environmental service company (headquartered in Westford, Massachusetts, USA) that has developed: dispersion models that accommodate complex terrain and aerodynamic downwash; visibility models; hazardous air pollutant dispersion models; and others for facilities located in dispersion environments where standard models are inaccurate.
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