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  2. Support Center for Regulatory Atmospheric Modeling (SCRAM)

Modeling Guidance - Documents

Modeling Guidance Documents Page

  • Air Quality Analysis Checklist (pdf) (74.93 KB, 12/20/2016)
    Air Quality Analysis Checklist
  • 2005 Guideline on Air Quality Models (pdf) (802.89 KB, 11/09/2005)
    2005 Guideline on Air Quality Models
  • 2017 Guideline on Air Quality Models (pdf) (742.98 KB, 01/17/2017)
    2017 Guideline on Air Quality Models
  • Guidance Concerning the Implementation of the 1-hour NO2 NAAQS for the Prevention of Significant Deterioration Program (pdf) (1.32 MB, 06/29/2010)
    Guidance Concerning the Implementation of the 1-hour NO2 NAAQS for the Prevention of Significant Deterioration Program
  • Guidance Concerning the Implementation of the 1-hour SO2 NAAQS for the Prevention of Significant Deterioration Program (pdf) (971.46 KB, 08/23/2010)
    Guidance Concerning the Implementation of the 1-hour SO2 NAAQS for the Prevention of Significant Deterioration Program
  • Example Air Quality Analysis Checklist (pdf) (111.28 KB, 04/18/2003)
    Example Air Quality Analysis Checklist from Appendix C to the 2003 Guideline on Air Quality Models
  • DRAFT Guidance for Ozone and Fine Particulate Matter Permit Modeling (pdf) (4.79 MB, 02/10/2020, 457-P-20-002)
    DRAFT Guidance for Ozone and Fine Particulate Matter Permit Modeling
  • Guidance on the Use of Models for Assessing the Impacts of Emissions from Single Sources on the Secondarily Formed Pollutants: Ozone and PM2.5 (pdf) (266.21 KB, 12/02/2016, 454-R-16-005)
    Guidance on the Use of Models for Assessing the Impacts of Emissions from Single Sources on the Secondarily Formed Pollutants: Ozone and PM2.5
  • Guidance on the Development of Modeled Emission Rates for Precursors (MERPs) as a Tier 1 Demonstration Tool for Ozone and PM2.5 under the PSD Permitting Program (pdf) (3.36 MB, 04/30/2019, 454-R-19-003)
    Guidance on the Development of Modeled Emission Rates for Precursors (MERPs) as a Tier 1 Demonstration Tool for Ozone and PM2.5 under the PSD Permitting Program
  • Screening Procedures for Estimating the Air Quality Impact of Stationary Sources Revised (pdf) (2.64 MB, 10/01/1992, 454-R-92-019)
    Screening Procedures for Estimating the Air Quality Impact of Stationary Sources Revised
  • Guideline for Determination of Good Engineering Practice Stack Height Revised (pdf) (4.1 MB, 06/01/1985, 450-4-80-023R)
    Guideline for Determination of Good Engineering Practice Stack Height Revised
  • Guidance for PM2.5 Permit Modeling (pdf) (2.27 MB, 05/22/2014, 454-B-14-001)
    Guidance for PM2.5 Permit Modeling
  • Area Source Estimated Concentrations Related Update (pdf) (25.42 KB, 03/28/2002)
    Area Source Estimated Concentrations Related Update
  • DRAFT Guidance on Ozone and PM2.5 Permit Modeling Webinar (pdf) (812.68 KB, 03/12/2020)
    DRAFT Guidance on Ozone and PM2.5 Permit Modeling Webinar
  • Protocol for Determining the Best Performing Model (pdf) (1.16 MB, 09-1992, 454-R-92-025)
    Protocol for Determining the Best Performing Model
  • NO2 ISR Database Read Me (pdf) (98.07 KB, 09-10-2015)
    NO2 ISR Database Read Me
  • Reassessment of the Interagency Workgroup on Air Quality Modeling (IWAQM) Phase 2 Summary Report: Revisions to Phase 2 Recommendations (pdf) (1.23 MB, 12-19-2016, 454-R-16-007)
    Reassessment of the Interagency Workgroup on Air Quality Modeling (IWAQM) Phase 2 Summary Report: Revisions to Phase 2 Recommendations
  • Technical Support Document (TSD) for AERMOD-Based Assessments of Long-Range Transport Impacts for Primary Pollutants (pdf) (4.81 MB, 12-20-2016, 454-B-16-007)
    Technical Support Document (TSD) for AERMOD-Based Assessments of Long-Range Transport Impacts for Primary Pollutants
  • Status of Guidance for Ozone and PM2.5 Permit Modeling (pdf) (440.21 KB, 01-17-2017)
    Status of Guidance for Ozone and PM2.5 Permit Modeling
  • Technical Support Document (TSD) for Replacement of CALINE3 with AERMOD for Transportation Related Air Quality Analyses (pdf) (575.29 KB, 12-09-2016, 454-B-16-006)
    Technical Support Document (TSD) for Replacement of CALINE3 with AERMOD for Transportation Related Air Quality Analyses
  • First Federal Register Extension of Effective Date to March 21, 2017 (pdf) (194.76 KB, 01-26-2017)
    First Federal Register Extension of Effective Date to March 21, 2017
  • Second Federal Register Extension of Effective Date to May 22, 2017 (pdf) (190.33 KB, 03-20-2017)
    Second Federal Register Extension of Effective Date to May 22, 2017
  • Appendix W - Fact Sheet (pdf) (20.76 KB, 12-21-2016)
    Appendix W - Fact Sheet

Support Center for Regulatory Atmospheric Modeling (SCRAM)

  • Air Quality Models
  • Model Applications and Tools
  • Modeling Guidance and Support
  • Meteorological Data and Processors
  • Conferences and Workshops
  • Reports and Journal Articles
  • Related Links
Contact Us about Air Quality Models
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Last updated on December 17, 2024
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