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| Traffic Air Quality Impact Analysis |
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GZA routinely provides our clients with an extensive array of consulting services regarding mobile source air quality assessments. In terms of traffic engineering, certain items which GZA staff will typically analyze include level of service, traffic counts, signalization, road capacity, road geometrics and local road network infrastructure. With respect to air quality impacts, GZA uses the latest version of EPA's MOBILE model to estimate mobile source emissions. Air quality dispersion modeling is conducted using CAL3QHC, ISC, and AERMOD. Modeled air pollutant concentrations are compared to National Ambient Air Quality Standards (NAAQS) to determine the potential of adverse air quality impact conditions. Air quality analyses also include a determination of conformity with State Implementation Plans (SIPs) to ensure any proposed project does not impede a State's ability to achieve attainment with National Ambient Air Quality Standards.
Our services include:
- Emissions Inventories
- Dispersion Modeling
- Air Quality Impact Analysis
- Parking Facility Emissions
- Regulatory Compliance
- Expert Testimony
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