Support Center for Regulatory Atmospheric Modeling (SCRAM)
Oct 14, 2024 · This technical site provides access to air quality models (including computer code, input data, and model processors) and other mathematical simulation techniques used in assessing air emissions control strategies and source impacts.
Air Quality Dispersion Modeling | US EPA - U.S. Environmental ...
Dec 13, 2023 · Dispersion modeling uses mathematical formulations to characterize the atmospheric processes that disperse a pollutant emitted by a source. Based on emissions and meteorological inputs, a dispersion model can be used to predict concentrations at selected downwind receptor locations.
Air Quality Dispersion Modeling - Preferred and Recommended …
Oct 24, 2024 · The American Meteorological Society/Environmental Protection Agency Regulatory Model Improvement Committee (AERMIC) was formed to introduce state-of-the-art modeling concepts into the EPA's air quality models.
Support Center for Regulatory Atmospheric Modeling (SCRAM
Jan 7, 2021 · Support Center for Regulatory Atmospheric Modeling (SCRAM) This website provides access to air quality models and other mathematical simulation techniques used in assessing control strategies and source impacts.
Clean Air Act Permit Modeling Guidance | US EPA - U.S.
May 1, 2024 · Clean Air Act Permit Modeling Guidance. This section provides recommendations on modeling techniques and guidance for estimating pollutant concentrations in order to assess control strategies and determine emission limits.
Air Quality Dispersion Modeling - Related Model Support …
Oct 1, 2024 · EPA is providing “beta” releases of various programs to facilitate the processing and evaluation of inputs and outputs for dispersion models. These draft programs support non-regulatory use and evaluation of dispersion models by the modeling community.
Air Quality Dispersion Modeling - Screening Models | US EPA
Oct 1, 2024 · Screening Models and Documentation. AERSCREEN. AERSCREEN is the recommended screening model based on AERMOD. The model will produce estimates of "worst-case" 1-hour concentrations for a single source, without the need for hourly meteorological data, and also includes conversion factors to estimate "worst-case" 3-hour, 8-hour, 24-hour, and ...
Air Modeling - Conferences and Workshops | US EPA
Aug 5, 2024 · EPA sponsors a regular series of air quality model/modeling conferences and workshops and also periodically participates in other air quality modeling or related meetings. Materials from upcoming and recent conferences and workshops can be found below.
Air Quality Dispersion Modeling - Alternative Models | US EPA
Aug 27, 2024 · With the 2017 revisions to the Guideline on Air Quality Models (Appendix W to 40 CFR Part 51), the EPA has established in Section 4.2 (c) (ii) a screening approach for long-range transport assessments for NAAQS and PSD increments.
Modeling Applications and Tools | US EPA - U.S. Environmental ...
May 20, 2024 · The U.S. EPA conducts modeling analyses to support policy and regulatory decisions using the full range of air quality models and other mathematical simulation techniques used in assessing control strategies and source culpability.