clean air agency Articles

  • Stakeholder Perspectives on the Clean Air Interstate and the Clean Air Mercury Rules

    In a follow-up to last month’s detailed overviews of the Clean Air Interstate Rule (CAIR) and the Clean Air Mercury Rule (CAMR), this month EM presents perspectives on the two rules from representatives of a range of stakeholders, including EPA, the states, the regulated community, and the environmental community. Last month, EM featured detailed overviews of two major air quality regulations ...

  • Technology: clean air’s unsung hero

    Last year, we celebrated the 40th anniversary of the U.S. Clean Air Act (CAA) and the 20th anniversary of the 1990 Amendments to the CAA. The CAA has been a huge success. From 1990 to 2008, emissions of six common pollutants were down 41%, while gross domestic product grew 64%. Emissions of volatile organic compounds dropped 31%, carbon monoxide dropped 46%, and sulfur dioxide dropped 51%. Lead ...

  • Refrigerant leak detection is heavily regulated by government agencies

    Refrigerant leak monitoring in refrigeration and air-conditioning (RAC) systems and heating, ventilation and air conditioning (HVAC-R) equipment is very challenging, even for the most skilled HVAC-R technician. The leak could be well concealed from view in tubing, a system component, or in an operating or safety control component. With the Environmental Protection Agency (EPA) laws documented ...


    By Verisae

  • Dry/Wet Scrubbers for Clean Air Compliance

    Forthcoming requirements of Ihe Clean Air Act Amendments of 1990 will inventory many more specific chemicais considered hazardous. From acetaldehyde lo xylenes, the list regulated under the air toxics program includes 189 hazardous air pollutants (HAPs). That number may grow. The Environmental Protection Agency (EPA) intends to add another 100 of more chemicais under the “prevention of accidental ...


  • Clean energy: How much hot air?

    NewScientist’s January 28 issue is likely to unsettle clean energy advocates – but it is worth the read. The cover article, “Power paradox: Clean might not be green forever,” posits that even renewable energy can warm the planet, and eventually change ...

  • Dry/Wet Scrubbers for Clean Air Compliance

    Air-scrubbing venturis and towers may be the answer to clean air compliance for small- to medium-sized companies. Forthcoming requirements of the Clean Air Act Amendments of 1990 will inventory many more specific chemicals considered hazardous. From acetaldehyde to xylenes, the list regulated under the air taxies program includes 189 hazardous air pollutants (HAPs). That number may ...


    By CR Clean Air Group, LLC

  • Clean air research multi-year plan 2008-2012

    The Office of Research and Development’s (ORD) Multi-Year Plans (MYPs) describe what research ORD proposes to accomplish over the next 5-10 years in a variety of areas. The MYPs serve three principal purposes: to describe where the research programs are going, to present the significant outputs of the research, and to communicate the research plans within ORD and with stakeholders and clients. ...

  • Harmonizing Emissions: A case for clean air, carbon reduction and economic growth

    At the Air and Waste Management Associations (A&WMA) meeting on April 2-3, 2008, in Washington DC, the Environmental Protection Agency (EPA) expressed the need for harmonization between whatever carbon reduction policy is adopted by the United States with existing pollution emission regulations under the Clean Air Act (CAA). The goal of this harmonization is to allow industry to reduce greenhouse ...


  • GHG regulation under the clean air act – recent developments

    EPA’s GHG Tailoring Rule and Senate Action On October 27, 2009, EPA published the Prevention of Significant Deterioration (PSD) and Title V Greenhouse Gas (GHG) Tailoring Rule in the Federal Register, followed by a 60-day public comment period that ended on December 28, 2009. The proposed rule represents EPA’s effort to decrease the number of sources subject to major source ...


    By Trinity Consultants

  • Big Clear Sky – A short history of the Clean Air Act

    Major advances over 50 years have led to cleaner air and groundbreaking technology. The detrimental impact of industrialization to air quality in the United States went unchecked through federal legislation for most of the first half of the 20th Century. But following the 1948 industrial catastrophe in Donora, Pennsylvania – where a cloud of smog killed 20 and injured thousands – regulation of ...

  • Case study - Wind turbine manufacturer implements clean air initiative

    Overview When you think about generating electricity from wind, clean energy comes to mind. However, the wind turbine production process can be a major source of air pollution without the proper controls in place. Manufacturing and painting the blades, towers and nacelles requires composite construction material and solvent based coatings. The potential to emit Volatile Organic Compounds ...

  • Return of the clean air interstate rule—The court does CAIR

    In summer 2008, the U.S. Court of Appeals for the D.C. Circuit issued a dramatic decision to vacate the Clean Air Interstate Rule (CAIR) in its entirety (North Carolina v. EPA, No. 05-1244, D.C. Cir., July 11, 2008). Following a petition for rehearing, it seems the previous vacatur was just a temporary detour, as the Court reinstated CAIR on December 22, 2008. The reinstatement appears to turn ...


    By Trinity Consultants

  • The US Clean Air Act: Improving air quality and tracking greenhouse gas emissions?

    The US Clean Air Act is a federal law designed to reduce air pollution in order to improve the nation’s overall air quality. The intent of the federal law is to identify and reduce harmful substances that weaken the stratospheric ozone layer and continue to contribute to global climate change.Many of these pollutants, refrigerant gases, or Greenhouse Gases (GHGs) can be found within companies, ...


    By Verisae

  • Cleaning & maintenance management

    Mercury is a known neurotoxin that is extremely toxic even in small amounts. It directly affects the central nervous and renal systems, causing developmental delays, motor and brain problems like those associated with autism. Mercury’s hidden danger also lies in when at room temperature and exposed, it vaporizes readily. Once it has become an aerosol, it is absorbed into the lungs and ...


  • This idea deserves to clean up

    Untitled Document Cape Breton may very well be one of the most scenic places in Canada, but in the middle of that East ...


  • The natural way to clean wastewater

    John Todd founded Ocean Arks International in the 1980s, where he started to experiment with processes that mimic natural ways to purify wastewater. He built a greenhouse and ran sewage through a series of tanks, with plants suspended in the flowing waters, and constructed marshes made of sand and gravel. No chemicals were added, but plenty of aquatic creatures from snails to small fish were ...


    By BioCycle Magazine

  • What U.S. environmental protection agency greenhouse gas regulation changes mean to you

    There is an upside for forward-thinking manufacturers regarding EPA blueprint for the way state and local regulatory agencies use the Clean Air Act permitting process to regulate greenhouse gas emissions in the United States. U.S. Environmental Protection Agency blueprint for the way state and local regulatory agencies use the Clean Air Act permit process to regulate greenhouse gas emissions in ...

  • Procedures used by the United States Environmental Protection Agency (US-EPA) to develop and adopt newer dispersion models

    This paper summarises the management and procedural issues that led to the successful development of AERMOD and CALPUFF and how they will come to be approved regulatory models by the US-EPA in the next few months. The legal requirements for constantly updating models is contained in the 1977 Clean Air Act that requires the US-EPA to publish a "Modelling Guideline" and to hold a hearing ...


    By Inderscience Publishers

  • Procedures Used by U.S. Environmental Protection Agency (U.S. EPA) to Develop and Adopt Newer Dispersion Models

    This paper summarises the management and procedural issues that led to the successful development of AERMOD and CALPUFF and how they will come to be approved regulatory models by the U.S. EPA in the next few months. The legal requirements for constantly updating models is contained in the 1977 Clean Air Act that requires U.S. EPA to publish a 'Modeling Guideline' and to hold a hearing every three ...


    By Trinity Consultants

  • `Married Under the Clean Air Act-the Single Source Determination and Problems Arising Therefrom,` presented at the 2004 AWMA annual conference

    Abstract: This paper illustrates and discusses situations where two or more independent entities are considered a single source for purposes of complying with construction (New Source Review) and operating (Title V) permit aspects of the Clean Air Act (CAA). The objective of this presentation is to inform environmental professionals of the complexities that arise from business ...


    By Trinity Consultants

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