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whatUseek Directory Site Listings:
Lehder Environmental Services - A Canadian consulting firm offering services in air dispersion modeling (including odor dispersion), stack sampling, and environmental permitting. Most of Lehder's modeling work for clients utilizes the U.S. EPA's Industrial Source Complex Short Term Model Version 3 (ISCST3).
Liase Environmental, Inc. - A consulting firm based in Dallas, Texas, USA offering air quality permitting and related environmental services including air dispersion modeling.
MET Associates - A consultant firm that provides litigation support and expert witness testimony to environmental lawyers and to insurance companies for either plaintiffs or defendants in court cases that involve air dispersion and air quality modeling.
MSES Consultants - An environmental consulting firm providing services in the areas of planning, engineering, safety, industrial hygiene, the earth and environmental sciences, design and regulatory assistance. The firm is located in Clarksburg, West Virginia.
McVehil-Monnett Associates - 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.
Meteorological Solutions Inc. - Air quality consultants (located in Salt Lake City, Utah) 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.
Mike Lyons and Associates - Consultants located in Balwyn, Victoria, Australia. Services offered include air pollution plume dispersion modeling using the Australian EPAs latest "AUSPLUME" package as required under the State Environment Protection Policy (SEPP).
Mott MacDonald Group Ltd. - An engineering consultancy based in Croydon, England with offices worldwide. Their services include atmospheric dispersion modeling using an in-house computational fluid dynamics (CFD) team.
NPN Environmental Engineers - Consulting environmental engineering firm located in St. Louis, Missouri, USA. Services include air dispersion modeling, air emission inventories, air permitting and compliance programs.
National Environmental Technology Centre (NETCEN) - NETCEN is a subsidiary of AEA Technology Environment based in Culham, Abingdon, Oxfordshire, England, and offers a range of air quality and dispersion modeling services.
North American Weather Consultants - Meteorological consultants (located in Salt Lake City, Utah) who offer extensive experience in performing dispersion modeling for: simple, complex or intermediate terrain; single or multiple emission points; and buoyant or dense gas releases.
Northern Environmental and Monitoring Services (N.E.M.S.) - NEMS offers environmental, health and safety consulting services and their dispersion modeling expertise ranges from single stacks to multiple sources, spills and traffic pollution. NEMS uses the UK Atmospheric Dispersion Modeling System (ADMS). Their modeling has included: power plant emissions; cooling tower plume visibility; explosion risk assessments; and odor abatement.
P & I Design Ltd. - A chemical engineering and environmental management consultancy located in Stockton-on-Tees, England. They have developed a basic Gaussian dispersion model implemented with Microsoft's Excel spreadsheet program.
PLG Inc. - A division of EQE International (located in Irvine California, USA) consisting of consulting engineers and applied scientists engaged principally in environmental, safety, risk assessment and risk management studies. Where required, they use their own MIDAS dispersion modeling sofware. Clients served by PLG are in the nuclear, chemical, petroleum, electric power, space, defense, and transportation industries.
PPM Consultants Inc. - Environmental consultants based in the south and southeastern United States (Louisiana, Alabama, Mississippi and Florida) whose services include air dispersion modeling, air permitting, risk management plans, and emission inventories.
Pacific Air and Environment - A consultant group, headquartered in Brisbane, Australia with satellite offices in Melbourne and Sydney, who offer air quality modeling and emissions estimation services. The air dispersion models used include models developed in Australia (AUSPLUME, AUSPUFF and TAPM) as well as models developed in the USA (ISC3, AERMOD, CALPUFF and CALINE4).
Pacific Environmental Services (PES) - Nationwide company headquartered in Herndon, Virginia. The PES modeling section specializes in developing, evaluating, and applying air pollution dispersion models. PES was involved in developing the U.S. EPA's dispersion models, such as ISC3, SCREEN3, and SCREEN. PES has also been involved in developing the new AERMIC Model (AERMOD), to be proposed by EPA as a regulatory model.
Payne Environmental Corp. - An environmental consulting firm (headquartered in Madison, Connecticut, USA) whose services include air permitting, emission inventories, dispersion modeling studies, and health risk assessments.
Pinchin Environmental Ltd. - 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, AERMOD and PRIME.
Pollution Control Consultancy and Design - An acoustical and environmental engineering consulting firm based in Sydney, Australia that provides a range of services which includes air dispersion modeling.
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