air pollution services in Virginia

  • Air Pollution Engineering

    MSE staff has extensive experience performing air quality modeling, air permitting, and pollution control projects in the U.S. and throughout the world for industrial, government, and military clients. Our overall strategy is to combine the best tools with the best knowledge to meet or exceed the most demanding project requirements. MSE staff ...

    By Millennium Science & Engineering based in Chantilly, VIRGINIA (USA).

  • Air Dispersion Modeling

    For over 30 years, Trinity Consultants has performed dispersion modeling studies to assist industrial facilities in assessing the impact of their emissions on ambient air quality. Regulatory requirements for dispersion modeling remain the primary motivation for the majority of modeling studies in the U.S. New federal modeling guidelines, more ...

    By Trinity Consultants Office in Roanoke, VIRGINIA (USA). from Air Dispersion Modeling Service line

  • Control Technology Analysis

    ControlTechnologyDepending on the location of a project and the equipment and pollutants involved, air pollution control technology requirements may be significant in terms of cost and preparation of the air quality permit application.

    By Trinity Consultants Office in Roanoke, VIRGINIA (USA). from Control Technology Analysis Service line

  • Consulting Services

    ETS is recognized as America's leading independent baghouse consultant, and is distinguished by its ability to provide professional services encompassing three specialty areas: Design and specification of air-pollution control systems. Troubleshooting air-pollution control equipment and systems. New product development and support services.

    By ETS, Inc. based in Roanoke, VIRGINIA (USA).

  • NESHAP and NSPS Compliance

    NESHAP-NSPSTrinity tracks the ongoing development and promulgation of New Source Performance Standards (NSPS) and National Emissions Standards for Hazardous Air Pollutants (NESHAP). NSPS apply to equipment in nearly every facility and are one of the first areas addressed in many permitting studies. With nearly four decades of experience in air ...

    By Trinity Consultants Office in Roanoke, VIRGINIA (USA). from NESHAP and NSPS Compliance Service line

  • Exposure Assessment Services

    Exposure assessment, risk assessment, and risk management are the three major components of assessing risks from exposure to air pollutants. The staff of Sullivan Environmental is in the forefront of developing methods for exposure assessment and conducts research for the U.S. EPA and industrial clients aimed at identifying exposures from specific ...

    By Sullivan Environmental based in Alexandria, VIRGINIA (USA). from Exposure Assessment Services Service line

  • Specifications

    ETS design and specification services encompass several specialty areas.  The first involves the design and specification of fabric filter systems and related components such as bag and fabric specification.  While probably best known for our work with baghouse systems, we also have extensive first hand experience with all major air ...

    By ETS, Inc. based in Roanoke, VIRGINIA (USA).

  • Industrial Hygiene Services

    Building conditions, both real and perceived are significant factors in the health, comfort, satisfaction and productivity of employees. There have been many changes in the way buildings are designed and operated over the last twenty-five years, resulting in great reductions in air infiltration rates. These changes aimed at reducing energy costs, ...

    By GeoEnvironmental Resources, Inc. (GER) based in Virginia Beach, VIRGINIA (USA).

  • Hazard Identification and Modeling

    Trinity has performed hundreds of health effects impact studies for actual and potential releases of hazardous air pollutants. These studies have included emissions estimations, acute toxicity evaluations for comparison to threshold limit value-based concentration limits, cancer risk assessment modeling using the GEMS database, and ambient ...

    By Trinity Consultants Office in Roanoke, VIRGINIA (USA). from Hazard Identification and Modeling Service line

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