air quality permitting Articles

  • Air Quality Permitting for a New Coal-Fired Power Plant: A Timeline

    The high price of natural gas and alternative fuels has made utility companies take a second look at coal as a cheap, plentiful fuel source. For a greenfield plant considering coal, the environmental considerations are significant but not insurmountable. This article discusses the air quality regulations and permitting requirements that must be addressed, from New Source Review to greenhouse gas ...


    By Trinity Consultants

  • Plantwide Applicability Limits (PALs): A Legitimate Alternative to Major New Source Review Permitting

    Plantwide Applicability Limits: A Legitimate Alternative to Major New Source Review Permitting. There have been a number of recent developments regarding U.S. EPA"s interpretation of the major New Source Review (NSR) air permitting rules that are related to the NSR Reform provisions of December 2002.  When these new interpretations are considered in combination with the promulgation of ...


    By All4 Inc.

  • `An evaluation of aermod model sensitivity to variations in landuse characteristics,` presented at guideline on air quality models: next generation of models conference 2009

    Abstract The development and release of the AERSURFACE landuse preprocessing program forAERMET/AERMOD has substantially changed the process for determining the landusecharacteristics (i.e. surface roughness, albedo, and Bowen ratio) that surround ameteorological monitoring site. Previous modeling guidance recommended that a 3-kilometer (km) upwind fetch in wind-direction-based sectors ...


    By Trinity Consultants

  • International Paints LLC - VOCs - Case Study

    About the Project Summary Union, NJ — Operations management at International Paint LLC here reports dramatic savings in compliance costs for Volatile Organic Compound (VOC) emissions, through replacement of a gas-fired thermal oxidation afterburner with a 3000-cfm, ...


    By Biorem Technologies Inc.

  • IInternational Paints LLC - VOCs Case Study

    About the Project Summary Union, NJ — Operations management at International Paint LLC here reports dramatic savings in compliance costs for Volatile Organic Compound (VOC) emissions, through replacement of a gas-fired thermal oxidation afterburner with a 3000-cfm,  combination biofiltration and ...


    By Biorem Technologies Inc.

  • Managing air quality during regulatory changes

    This paper discusses the regulatory and technical issues associated with the revisions to the US EPA Guideline on Air Quality Models. The proposed guideline includes the models AERMOD, CALPUFF, and ISC-PRIME, all of which contain significant technical improvements over prior models. Differences in modelling requirements are appearing as regulatory agencies and industries use technically superior ...


    By Inderscience Publishers

  • Trinity expands west coast presence

    Companies with facilities in northern California will be better served in the future now that Trinity has opened its Northern California office in San Francisco. Vineet Masuraha, Manager of Trinity’s California operations, announced that Melissa Hillman, a Senior Consultant who previously worked in Trinity’s Seattle office, will head the new location. Trinity will continue to assist ...


    By Trinity Consultants

  • Tightening the Screws - Lower NAAQS Mean Higher Costs

    ALL4’s Ambient Group continues to track and provide you with updates on the latest developments related to National Ambient Air Quality Standards (NAAQS). The NAAQS are the primary basis for the permitting of new stationary sources and modifications to stationary sources in the United States. A region’s compliance status with the NAAQS dictates how new major stationary sources and ...


    By All4 Inc.

  • Case Study: Precision Machine Shop Eliminates Sewer Discharge

    Samsco Water Evaporator enables both cost reduction and elimination of sewer discharge. TEC, Inc. (Rockville, MD), providers of precision sheet metal fabrication and precision machining, for more than thirty years, has partnered with many well-known technology companies to meet their need for superior quality, precision metal products.  Their offerings range from simple metal components to ...


    By Samsco Corporation

  • 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

  • Case Study - Plains All American Pipeline Company (Plains)

    Principal Client Services: CEQA/NEPA Air Quality Water Quality Toxic Materials Mitigation Measure Implementation Permitting E2 has provided environmental consulting services to Plains All American Pipeline Company (Plains) and predecessors Pacific Energy Partners and ARCO Pipeline for over a decade. Activities have covered broad areas from ...


    By E2 ManageTech

  • Canarina DISPER Software · air quality dispersion model · algorithms 3

      Canarina DISPER Software · air quality dispersion model   Symbol / Definition Ly= Initial plume length for Schulman-Scire downwash sources with enhanced lateral plume spread (m) Lb= Lesser of ...

  • Emission Testing and Monitoring

    Presented in Track B4: EMISSION TESTING & MONITORING at EUEC 2011, January 31 Phoenix, Arizona B4.1  | Update on PM2.5 and Condensable Particulate Matter Emissions Measurement Methods Larry Hottenstein |  Partner, Environmental Resources Management Following the promulgation of the PM2.5 ...

  • Hunters Point Case Study (In Situ Gas Thermal Remediation (GTR™))

    In Situ Thermal Remediation with Gas Thermal Remediation (GTR©) is being used to remove NAPL contaminants from a former military base. The system is extracting 378 liters (100 gallons) of liquid waste every week. LNAPLs, such as fuel and oils, and DNAPLs, such as PCBs and chlorinated solvents, are being removed from the subsurface to make way for a residential development. Three permits were ...

  • So Your Greenhouse Gas (GHG) Monitoring Plan is Complete... Now What?!?

    U.S. EPA's Greenhouse Gas Mandatory Reporting Rule (GHG MRR) codified at 40 CFR Part 98 required that facilities subject to the rule have a complete written GHG Monitoring Plan by April 1, 2010. At a minimum, the GHG Monitoring Plan must identify (1) methods used to collect GHG emissions information and supporting data, (2) personnel responsible for collecting the data, and (3) quality assurance, ...


    By All4 Inc.

  • Chlorinated solvents: methylene chloride and TCE

    Introduction This paper presents the results of a scaled and phased approach to source remediation of high concentrations of recalcitrant chlorinated solvent compounds via soil vapor extraction (SVE) and vapor treatment at a Site in Southern California. Phase I began with refrigerated condensation (C3) in order to achieve high mass removal rates to reduce lifecycle costs and time ...

  • Case study: Hunters Point

    In Situ Thermal Remediation with Gas Thermal Remediation (GTR©) is being used to remove NAPL contaminants from a former military base. The system is extracting nearly 1,000 liters of liquid waster every week. LNAPLs, such as fuel and oils, and DNAPLs, such as PCBs and chlorinated solvent, are being removed from the subsurface to make way for a residential homes. In Situ+NAPL ...

  • Improving Freedom of Information in Uganda

    Uganda is one of only 10 African countries with a national access to information (ATI) law. These types of laws are essential to human rights, providing citizens with legal access to the government-held information that directly impacts them—information on issues like mining permits, logging concessions, air quality data, and more. But as ...

  • The alternatives analysis under nonattainment NSR (and PSD?), presented at EUEC 2010

    Outline Why does it matter? Statutory and Regulatory Basis Nonattainment NSR Examples PSD Examples Best Practices Why does it matter? Most requirements for an NNSR or PSD permit have bounds Demonstrate acceptable air quality impacts (PSD) Offset adequate emissions ...


    By Trinity Consultants

  • The latest developments regarding NSR aggregation

    The New Source Review (NSR) program is a preconstruction permitting program designed to: Ensure that ambient air quality standards continue to be met in “clean air” (i.e., attainment) areas, and Ensure that state of the art pollution control technology is installed at new major facilities and existing modified facilities. In the September 15, 2006 proposed ...


    By Trinity Consultants

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