Jessica Montañez Office of Air Quality Planning and Standards New Source Review Group. New Source Review (NSR) Prevention of Significant Deterioration (PSD): Refinement of Increment Modeling Procedures Proposal. 1. Agenda. What is New Source Review?
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Office of Air Quality Planning and Standards
New Source Review Group
pre-construction permitting program for new or modified stationary sourcesWhat is New Source Review?
NSR is divided into three parts:
areas (NA NSR)
in both attainment and
“EPA and states have generally used an emissions inventory and modeling approach to calculate increment consumption.”
Dispersion modelsestimate the concentration of pollutants at specified ground-level receptors surrounding an emissions source.
Photochemical grid models simulate the impacts from all sources by estimating pollutant concentrations and deposition of both inert and chemically reactive pollutants over large spatial scales.