Project Number:

2642

National Reclamation

SERVICE:

Air Quality and Noise Impact Analyses

DESCRIPTION:

Tech was asked to provide air quality, odor, and noise technical studies for a proposed 1,000 tpd municipal solid waste (MSW) and construction and demolition (C&D) waste transfer station in Raynham, MA.  The purpose of the work was to address air quality, odor, and noise issues that were likely to be raised in the Site Assignment hearings for the facility.  The Scope of Work also satisfied the technical data and compliance requirements on the air quality, odor, and noise issues outlined in a clarification letter that had been sent to the Massachusetts Department of Environmental Protection (MassDEP).

An annual emissions inventory was calculated for the facility and it was determined that only particulate matter (PM)  required a dispersion modeling analysis to predicted potential air quality impacts at the closest sensitive locations to the facility.  Air quality modeling of the project with the EPA ISCST3 model, including truck activity, showed maximum coarse particulate matter (PM10) and fine particulate matter (PM2.5) concentrations would be safely in compliance with the NAAQS at all sensitive receptors near the site, and that maximum diesel particulate matter (DPM) levels from construction equipment would be safely in compliance with the EPA reference concentration (RfC) for DPM. Dispersion modeling of odor potential revealed that the project was properly sited and would not create an odor nuisance at any nearby residential locations.

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Key Points

  • A proposed solid waste transfer station required air quality, odor, and noise technical studies for Site Assignment hearings.
  • Tech performed an emissions inventory and dispersion modeling to satisfy all applicable requirements and regulations.