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epa air monitoring Applications

  • Dust monitoring and Sand Storm Monitoring

    The frequency and intensity of dust and sand storms in many parts of the world are steadily increasing due to droughts and climate change. The severity of such storms is anticipated to increase over the coming years. These dust storms may last hours or days and cause huge damage and imposed a heavy toll on society with its physical effects, such as visibility reduction, heavy winds, red sky, hailstone and severe lightning. Such Dust storms, have a negative impact on human health, and industrial products and activities. They reduce visibility, layer on skin and cloths, infiltrate buildings and find their way into food and drinking water leaving a permanent sandy feeling in your mouth. Traditional dust monitoring instruments whether they be purely filter based gravimetric samplers or continuous monitors utilising Tapered Element Oscillating Microbalance (TEOM) or Beta Attenuation (BAM) simply are unable to cope with the high dust loads created by these storms. The filters on these instruments are quickly clogged and no further measurements are possible until a service technician visits to replace filters and filter tapes. In dust storm events this is impossible. Therefore, over the past few years a need for alternate technology which are non filter based, can cope with extremely high dust loads, require minimal maintenance and can operate off solar power has been employed in regions such as the Gobi Desert of China for the continuous monitoring of dust storm events. These instruments have demonstrated that an instrument can measure dust storm events with maintenance performed only once every 12 months. That it is possible to communicate remotely and that these systems can not only provide an early warning for dust events but have the accuracy and sensitivity to be an extremely useful tool in gauging hourly changes of visibility. Infact such instruments have been utilised by a number of EPAs around the world, including all Australian EPAs for the purpose of measuring ambient visibility as well as providing an accurate indication of rising dust events.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

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    Air Quality Monitoring Stations

    Opsis provides complete AQM stations, used for street-level, urban trend and background applications. The monitoring systems have been approved by the German TÜV and the U.S. EPA among others.

    By Opsis AB based in Furulund, SWEDEN.

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    Gas monitoring instruments and systems for stack testing according to EPA test method 320

    The United States Environmental Protection Agency (EPA) has two stack testing methods for FTIR gas analyzers. Method 320 is an FTIR method for measuring wide range of organic and inorganic pollutants. Method 321 is a specific version for measuring hydrogen chloride HCl at cement kilns producing Portland cement. These methods define a quality assurance and control processes for verifying the accuracy of the results. The requirements for analytical equipment and software are defined on 40 CFR Part 60 Appendix B Performance Specification 15. Gasmet™ Gas Analyzers and Calcmet™ software have been designed to take the requirements of the performance specification into account.

    By Gasmet Technologies Oy based in Helsinki, FINLAND.

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    Air sampling & monitoring systems for government sector

    HI-Q serves the needs of various government agencies with a wide range of application-specific, customized air sampling products. HI-Q works directly with governmental agencies such as the Environmental Protection Agency (EPA), Department of Energy (DOE), Department of Defense (DOD) & Department of Homeland Security (DHS) to develop situation specific, cutting edge air sampling products to help recognize potential threats. Since September 11, 2001, HI-Q continues to have an ongoing relationship with the EPA & DHS by continually working on government-funded projects for the development of airborne biohazard collection systems.

    By HI-Q Environmental Products Company based in San Diego, CALIFORNIA (USA).

  • Fugutive Emissions Measurement

    Emission Measurement – An estimate of the total fugitive emissions from a site can be determined using environmental data, EPA gas dispersion models, and GasFinder2 sensor data.

    By Boreal Laser Inc. based in Edmonton, ALBERTA (CANADA).

  • Data Acquisition and Control

    Many companies worry over the quality of emissions data reported to the EPA. CEMS Experts is a skilled and experienced company with over 20 years of proven and dependable service to provide you with a reliable solution to your Analyzer Management and Data Acquisition Software needs. We supply customized DAS solutions for all federal (EPA), state and local CEMS regulations, plus off-the-shelf products for process monitoring, ambient air testing, or any other application requiring fast, reliable data capture and reporting.

    By CEMS Experts - a division of GK Associates, Inc. based in Simi Valley, CALIFORNIA (USA).

  • Ozone monitoring

    Ozone found in ambient air can have a direct affect on human health and also has the potential to create photochemical smog. It is for this reason that the U.S. EPA has set a one hour limit of 120 ppb and an 8 hour limit of 80 ppb. Ozone has been found to affect human health by harming the respiratory and immune system. People with pre-existing respiratory damage or diseases are more likely to suffer from the affects of ozone.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

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    Monitoring solutions for the marine industry

    While land-based industry has been subject to strenuous emissions regulations over the past decades, air emissions from sea-going ships’ machinery has so far been largely unregulated. As a result, according to EU statistics, ships have become the single biggest source of sulphur dioxide (SO2) within the EU. The US EPA (US Environmental Protection Agency) reports similar findings, i.e., that the proportion of air pollutants released which can be attributed to the shipping industry is increasing. MARPOL Annex VI aims to reduce emissions from ships through international regulations, which hopefully will discourage states from enacting unilateral regulations problematic to the shipping industry.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Flare gas measurement flow meter applications

    Oil wells almost always produce natural gas (“associated gas”) along with the petroleum. In many cases, it is uneconomical to process due to heavy contamination. As a consequence, this gas is combusted, “flared” or simply vented as-is during upset conditions in the process. Newly updated EPA regulations like 40 CFR Part 60 Subpart OOOO (also known as Quad O) as well as the new RSR MACT rule for refineries, requires oil & gas companies to report the flare gas emitted to our atmosphere. Monitoring the fuel at the inlet of the flare is part of meeting these EPA requirements. Our QuadraTherm thermal mass flow meters with qMix gas mixing software are ideal for flare and combustion gas measurement.

    By Sierra Instruments, Inc. based in Monterey, CALIFORNIA (USA).

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