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whatUseek Directory Site Listings:
Power Technology - The engineering and scientific center of PowerGen UK plc. They use various models to simulate gas and dust dispersion from: industrial chimneys, stockpiles, fugitive sources, accidental releases, and cooling tower plumes. The models include: ADMS (Atmospheric Dispersion Modeling System), VISPACT (an in-house cooling tower model), MATADOR (UK acid rain model), MODELS-3 and U.S. EPA models.
Primatech, Inc. - A consulting firm based in Columbus, Ohio, USA and with multiple offices in North America. Their services include: process hazard analyses; source term calculations; air dispersion and consequence modeling; and probability modeling. They also market proprietary software for process hazard analysis (PHA) and safety management (PSM).
RTP Environmental Associates - 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.
RWDI Inc. - Rowan Williams Davies & Irwin Inc. (RWDI) are a Canadian firm of consulting engineers with offices in Guelph, Ontario and Calgary, Alberta. Their services include air emissions dispersion modeling and accidental release dispersion modeling using SCREEN3, AERMOD, ISCST3, ISC-PRIME, CALPUFF, SLAB, HGSYSTEMS and GASCON2.
Risk Management Technologies - A firm located in Chennai, India offering: HAZOP training and software; air dispersion modeling; failure and reliability analysis; risk assessment; and accident investigation ... all targeted for the chemical process industries.
Risk and Industrial Safety Consultants (RISC) - The RISC group is part of Trinity Consultants of Dallas, Texas, USA. They offer safety and risk analyses for the petroleum, chemical, and natural gas industries. RISC has developed dispersion models specific to releases of liquefied natural gas (LNG), liquefied petroleum gas (LPG) and natural gas.
Sanders Engineering & Analytical Services, Inc. - An environmental engineering firm based in Mobile, Alabama, USA that specializes in air permitting and air quality testing. Their air dispersion modeling includes the use of the U.S. EPA's ISC short and long term models, complex terrain modeling, and the Valley model.
Shell Engineering & Associates - 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.
Source Environmental Science - An environmental consulting firm, located in Houston, Texas, USA, whose air quality services include: air pollution dispersion modeling, air emission inventories, and air permitting.
Stanger Science and Environment - Environmental consultants with multiple offices in England. Together with the University of Greenwich, Stanger operates a 24-hour telephone helpline for air dispersion modeling.
Stantec - A consulting engineering firm based in Edmonton, Alberta, Canada with 40 offices across Canada and the USA. Their air quality services include the use of air dispersion modeling for risk assessments, offsite consequence analyses, regulatory compliance studies, and air permitting.
Stone Lions Environmental Corporation - A consulting firm headquartered in Rolling Hills Estates, California, USA who offer services in air dispersion modeling, toxic chemical exposure evaluations, reconstruction of past environmental exposures, and specialized software.
Sullivan Environmental Consulting - This firm (located in Alexandria, Virginia, USA) offers services including urban scale air quality assessment, exposure assessment, permit support, air quality modeling, and risk management planning.
TRC Environmental Corporation - Environmental engineers and consultants, based in Windsor, Connecticut, USA with multiple offices nationwide as well as offices in South America. Air dispersion modeling is used for air permitting and for evaluating: impact of accidental releases, compliance with ambient air quality standards, optional air pollution control systems, and impacts of toxic air pollutant emissions.
Tech Environmental Inc. (TEI) - 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.
The Air Group - Dallas - Specializing in air permits and air compliance throughout the U.S. Offers workshops and consulting.
The Pilot Group - Consultants based in Dallas, Texas who offer dispersion modeling services for: air toxic evaluations and risk assessments; demonstrating compliance with air quality standards; evaluation of accidental releases; stack height studies; new facility site selection; visibility studies, etc.
The Weinberg Group - 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.
Theakston Environmental Control, Inc. - Environmental consultants located in Ontario, Canada whose services include physical modeling as well as computer modeling of stack exhaust gas dispersion and dust dispersion.
Trinity Consultants - A consulting firm based in Dallas, Texas, USA whose services include consulting, software, and training in the fields of air quality, dispersion modeling, permitting, compliance, Clean Air Act, environmental management information systems and industrial risk.
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