Ozone Regulation Articles

  • Ozone-depleting substances 2015

    Aggregated data reported by companies on the import, export, production, destruction, and feedstock and process agent use of ozone-depleting substances in the European Union Executive Summary Background Chemicals known to harm the ozone layer have been successfully substituted in most parts of the world since 1989, when the Montreal Protocol on Substances ...

  • Biocidal Products Regulation - White Paper

    The European Biocidal Products Regulation (Regulation (EU) No. 528/2012) stipulates that biocidal products may only be made available and used on the market if they are certified in accordance with this regulation. Unlike the previous biocidal products legislation, so-called “in-situ” procedures such as electrolysis, chlorine dioxide and ozone now also fall under this certification ...

  • Dispersion Notes: U.S. EPA Proposes Changes to AERMOD and CALPUFF

    Last week, BREEZE staff made the trip to U.S. EPA’s offices in North Carolina for their 11th Modeling Conference to get the latest updates on upcoming changes to the AERMOD system, CALPUFF, and other issues.  The highlights include:  Relief is coming to U.S. AERMOD users dealing with overprediction of ...

  • Ozone-depleting substances 2013

    Aggregated data reported by companies on the import, export, production, destruction and feedstock and process agent use of ozone-depleting substances in the European Union Background The Montreal Protocol on Substances that Deplete the Ozone Layer entered into force in 1989 and aims to protect the stratospheric ozone layer by phasing out more than 200 substances, ...

  • States propose attainment designations for the new 1-hour So2 NAAQS

    The U.S. EPA revised the primary National Ambient Air Quality Standard (NAAQS) for sulfur dioxide (SO2) on June 2, 2010 by implementing a new 1-hour standard of 75 parts per billion (ppb) (calculated as the three-year average of the 99th percentile of the annual distribution of daily maximum 1-hour average concentrations). Based on an evaluation of the risks posed by acute exposure to SO2, EPA ...


    By Trinity Consultants

  • EPA clamping down on Ozone standards

    The U.S. Environmental Protection Agency (EPA) is preparing to again lower its ozone standard. This action reduces the amount of ozone that is allowed in the air we breathe and thus forces more industrial sources to further reduce their air pollution emissions. In this white paper we look at: What will happen when the new ozone standard is finalized; and Ways to deal ...

  • U.S. EPA Propses Revisions to Ozone NAAQS

    In May 2008, states, environmental groups, and industry groups filed petitions with the D.C. Circuit Court of Appeals (Court) for review of the 2008 ozone standards.  In March 2009, the Court granted a U.S. EPA request to stay the litigation so that the Obama administration could review the standards and determine whether they should be reconsidered. On September 16, 2009, U.S. EPA announced ...


    By All4 Inc.

  • NSR Changes in the Phase 2 Final Rule to Implement 8-hour Ozone NAAQS

    Introduction On November 29, 2005, Phase 2 of the final rule to implement the 8-hour Ozone National Ambient Air Quality Standard (NAAQS) was promulgated in the Federal Register (70 FR 71612).  Among other issues, the final rule addresses reasonably available control technology (RACT) and reasonably available control measures (RACM), reasonable further progress (RFP), modeling and ...


    By Trinity Consultants

  • Rethinking the California Air Resources Board`s ozone standards

    The California Air Resources Board (CARB), California’s state air-pollution regulatory agency, recently adopted the most stringent ozone air-pollution standard in the United States. Attempting to attain the new standard will impose great hardship on Californians in exchange for small and imperceptible health benefits.By CARB’s own estimates, the incremental benefits of attaining its new ...


    By Blue Sky Consulting Group

  • `Challenges Facing Facilities in 8-Hour Ozone and/or PM2.5 Nonattainment Areas,` presented at the 2005 TAPPI Environmental conference

    Abstract In 2004, U.S. EPA finalized designations under the 8-hour ozone standard and the fine particulate matter :'PM:...) standard. With respect to the 3-hour ozone standard, 474 counties or partial counties were designated as nonattainment, while 30 areas volunteered to enter Early Action Compacts (EAC). U.S. EPA designated 40 areas comprised of 210 counties and the District of Columbia ...


    By Trinity Consultants

  • A Different Way of Looking at Ozone

    Ozone, a tri-oxygenated molecule, is known to act as a shield to protect us from the sun’s harmful rays.  As this innocent molecule plummets to the lower elevations on its journey to our hometowns, it meets hydrocarbon vapors and oxides of nitrogen (bad company), is exposed to sunlight and temperature (bad influence), and becomes a culprit and villain named photochemical smog or bad ozone. ...


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