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Other Applicable Guidance

This section provides miscellaneous guidance documents other than permit modeling or State Implementation Plan (SIP) attainment demonstrations.

Toxics Guidance
Guidance for Dispersion Modeling in Urban Areas

   Guidance Documentation
   Dispersion Modeling of Toxic Pollutants in Urban Areas (267KB,ZIP) - EPA-454/R-99-021
   Appendix A
   Appendix B
   Appendix C

   Application Documentation
   Example Application of Modeling Toxic Air Pollutants in Urban Areas - EPA-452/R-02-003

Also available from NTIS (PB# PB2002-108218). In preparing this document, it was necessary to revise and update the techniques described in Dispersion Modeling of Toxics Pollutants in Urban Areas and incorporate techniques developed in A Simplified Approach for Estimating Secondary Production of Hazardous Air Pollutants (HAPS) Using the OZIPR Model.

Other Toxics Guidance
Guidance on Hazardous/Toxic Air Releases (1.9MB,ZIP) - Includes 5 documents

Volume V - Procedures for Air Modeling of Superfund Sites - (246KB,ZIP)

National Specialty Workshop on Technical Tools for Air Toxics Assessment Final Report - 10/27/97

Air Toxics Risk Assessment Reference Library (ATRA) - Link to reference library for conducting air toxics analyses at the facility and community-scale.
   Volume 1: Technical Resource Manual
   Volume 2: Facility-Specific Assessment


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