Overview of Services

MSI has designed and managed more than 100 air permitting and monitoring projects in 20 states throughout the country, ranging from comprehensive air quality compliance assessments associated with two $100+ million New York City municipal wastewater treatment upgrades, to detailed Clean Air Act compliance assessments in support of the successful permitting of a $400 million New York City cogeneration facility, to designing and managing a continual ambient air monitoring program in support of an 11-month Superfund emergency removal action in Michigan.

We provide consulting and engineering services to address regulatory compliance on federal, state, and local levels pursuant to the Clean Air Act, and for the control of air toxics as mandated by CERCLA, RCRA, and OSHA. Specific services within these areas include:

  • Title V - Permit Program
    - Emissions inventory preparation, including emissions measurement studies to develop fugitive-source emission factors
    - Permit application assembly, preparation, and procurement
    - Design of facility-wide fugitive-source enhanced monitoring programs
  • Title I - New Source Review
    - Prevention of significant deterioration (PSD) and nonattainment area (NAA) ambient air quality impact analyses (e.g., dispersion modeling studies)
    - "Best available control technology" (BACT) engineering studies for new sources
    - "Lowest achievable emission rate" (LAER) and "reasonably available control technology" (RACT) engineering studies for new and existing sources
    - PSD air monitoring system design, installation, and operation
  • Title III - HAP (Hazardous Air Pollutants)
    - "Maximum available control technology" (MACT) engineering studies
    - Accident prevention risk management planning (40 CFR 68)
    - Extremely hazardous substance (EHS) emergency notification system design
    - Ambient air analyses and monitoring in support of residual risk assessments
  • Other

  • - Air dispersion model validation studies
  • Air exposure assessments
  • Alternative remediation emission factor development
  • Remediation air permit equivalency submittal and procurement
  • Site remediation monitoring
  • Indoor air measurements

  • Facility

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