air quality compliance Articles

  • Confronting allegations of air quality non-compliance

    A facility with an air quality permit must comply with all the conditions of that permit and demonstrate its compliance on an on-going basis. Unfortunately, no matter how diligently the facility and corporate staff strives to assure continuous compliance, unexpected compliance challenges can occur. For example, new equipment fails the emissions guarantees provided by equipment vendors; new staff ...


    By Trinity Consultants

  • Modeling for NAAQS Part 1: How to select the appropriate output for NO2

    The U.S. National Ambient Air Quality Standards (NAAQS) for 1-hour SO2, 1-hour NO2, and 24-hour PM2.5 use a very particular format. It is very important for all modelers (both within and outside of the U.S.) to understand how AERMOD handles this. In particular, U.S. users need to be familiar with the ...

  • Minimising Risks to Air Quality and Regulatory Compliance With Total Filter Management

    It has been shown in recent studies that as much as 25% of the total site operating budget (excluding raw material costs) for a typical medium-large dosage-form manufacturing facility will be spent on compliance measures for internal quality systems and external regulatory activities. (1) Market realities indicate that the pharmaceutical companies will need to address the overall cost of ...


    By GVS Filter Technology

  • Ethylene Production – A Tale of Explosive Growth and Air Quality Compliance

    ALL4’s Oil and Gas Sector Initiative was conceived in response to the renewal of the domestic oil and gas industry, associated primarily with the use of hydraulic fracturing (or fracking) and horizontal drilling in shale formations (e.g., Marcellus, Haynesville, Bakken, Eagle Ford) and the impact of greatly expanded oil and gas production on ...


    By All4 Inc.

  • Air quality in Europe — 2015 report

    Air pollution is both an environmental and a social problem, as it leads to a multitude of adverse effects on human health, ecosystems, the built environment and the climate. Air pollution poses the single largest environmental health risk in Europe today. Air pollutants are emitted from anthropogenic and natural sources; they may be transported or formed over long distances; and they may affect ...

  • Ford drives environmental quality and efficiency with ESS` refrigerant compliance management software

    At Ford Motor Company's Van Dyke Plant in Sterling Heights, Michigan, 'Quality is Job 1' has always been more than a slogan. It was honored with the Quality Magazine 2008 Plant of the Year and the Michigan Dept. of Environmental Quality 2007 Clean Corporate Citizen awards. The plant excels because its commitment to quality extends to every facet of the business – from the performance of the ...


    By IHS

  • Cement Manufacturing - Balancing Growth with Air Quality Requirements

    In most areas of the U.S., it appears that the recession is a bad memory and the signs of recovery are all around us. As described by the Portland Cement Association (PCA) on its website[1], “following the strongest cement consumption gains in seven (7) years in 2012, cement consumption growth will continue in 2013 with a 6.2% increase.” PCA continues to explain that “the ...


    By All4 Inc.

  • National Ambient Air Quality Standards Update

    You have seen ALL4 documenting the corresponding evolution of the NAAQS levels since the current U.S. EPA administration started in January 2009, and we will continue to follow them closely and provide you with updates that we think are important to your operations.  The following sections provide updates on the most important NAAQS and how you can plan for them today.  Discusses SO2, ...


    By All4 Inc.

  • Determination of compliance with UK and EU air quality objectives from high-resolution pollutant concentration maps calculated using ADMS-Urban

    The main features and functionality of the urban air quality version of ADMS (ADMS-Urban) have been presented at previous Harmonisation Workshops. The system has now been set up and applied to air quality management, decision support and air quality forecasting in a number of major cities in Europe and beyond, including London. Key recent developments of the system include a regional chemistry ...


    By Inderscience Publishers

  • Determination of Compliance with UK and EU Air Quality Objectives From High Resolution Pollutant Concentration Maps Calculated Using ADMS-Urban.

    The main features and functionality of the urban air quality version of ADMS (ADMS-Urban) have been presented at previous Harmonisation Workshops. The system has now been set up and applied to air quality management, decision support and air quality forecasting in a number of major cities in Europe and beyond, including London. Key recent developments of the system include a regional chemistry ...

  • Understanding ambient air quality instrument operating ranges

    In order to maximize the performance of an air quality monitoring station, careful selection of instrumentations is essential. One of the key issues is to have a good understanding of what pollutants need to be measured and at what concentrations. There are several different types of air quality monitoring, these include: Trace/Background Monitoring This is performed in areas where ...


    By Ecotech Pty Ltd

  • Environmental Compliance and Management Benefits

    Many companies are subject to environmental regulations without realizing it. In general, any business, big or small, commercial or industrial, which emits vapors or dust into the air, discharges process waste water into a sewer or on the ground, or generates a solid waste for disposal may be subject to environmental regulations. If a business uses a great many chemicals, or volumes of chemical, ...


  • Staff spotlight: atmospheric chemist addresses California air quality issues

    With over a decade of experience addressing West Coast air quality issues, Dr. Charles Lee, Managing Consultant in Trinity’s Irvine, California office, is a valuable resource on air quality, greenhouse gas (GHG), and risk related issues such as permitting requirements, air quality monitoring, source testing, auditing, GHG verifications, and health risk assessments. Dr. Lee is particularly ...


    By Trinity Consultants

  • New air quality rules challenge oil & natural gas industry

    EPA Administrator signed a suite of proposed new air regulations affecting both the Production/Processing and Transmission/Storage sectors of the oil and natural gas industry. The proposed rules mandate the use of emission controls as well as work practices through two different air regulatory programs – New Source Performance Standards (NSPS) and National Emissions Standards for Hazardous ...


    By Trinity Consultants

  • A Review of 1-Hour NO2 NAAQS Air Quality Modeling

    During the development of this 4TR article, proposed revisions to Appendix W to 40 CFR Part 51 – Guideline on Air Quality Models (Guideline) were published in the Federal Register. As a result of revisions which propose to establish Tier 3 nitrogen dioxide (NO2) atmospheric chemical reaction screening techniques as default methods, ...


    By All4 Inc.

  • The Difficulties With Attaining Compliance With Environmental Regulations

    If you are an environmental compliance manager today with college age children you are probably encouraging them to become dentists or orthodontists, and not to follow in your footsteps as an environmental compliance manager.  Arguably one of the toughest positions today is being responsible for managing environmental compliance at an ...


    By All4 Inc.

  • Staff spotlight: atmospheric scientist tackles complex air quality issues

    George Schewe, a Certified Consulting Meteorologist and Qualified Environmental Professional, joined Trinity’s Covington, Kentucky office in 2008. A veteran of EPA with nearly three decades of consulting experience, George is well-versGeorge Schewe_photoed in air quality regulatory requirements and a master in complex air dispersion modeling analyses. Here is George’s take on his role ...


    By Trinity Consultants

  • World Bank chooses NILU as air quality adviser in Hanoi

    The World Bank (WB) has chosen The Norwegian Institute for Air Research (NILU) to evaluate plans for better air quality in Hanoi, Vietnam. NILU will thus work closely with the Vietnamese Department of Natural Resources and Environment (DONRE) to secure the highest standards in all the elements of DONRE´s ambitious plan for improving air quality in the Vietnamese capital.  NILU´s main tasks are ...

  • New Nitrogen Dioxide Ambient Air Quality Standard Could Pose Challenges

    In the more than 200 air quality modeling analyses that ALL4 meteorologists have conducted, demonstrating compliance with the annual nitrogen dioxide (NO2) National Ambient Air Quality Standard (NAAQS) of 53 parts per billion (ppbv) has rarely been an issue.  The relative ease for demonstrating compliance with the annual NO2 NAAQS is due to two (2) factors.  First, the ...


    By All4 Inc.

  • EPA Regulations Raise the Bar for Industrial Air Quality Testing

    Far-reaching environmental legislation continues to change the way Americans live, work, and run their businesses. For the past ...

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