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Modeling Guidelines: Contents
Title Page
Preface
List of Acronyms and Abbreviations
Table of Contents, Appendixes, and List of Tables
1. Sources Requiring Dispersion Modeling
a. Criteria Pollutants Impacts in Attainment Areas
b. Criteria Pollutants Impacts in Nonattainment Areas
c. Hazardous Air Pollutants
d. Volatile Organic Compounds
2. Criteria Pollutant Standards and Toxic Screening Levels
a. Criteria Pollutants
b. Toxic Screening Levels
3. PSD Class I Areas and Air Quality Related Values
4. Modeling Protocol and Worksheets
5. Air Quality Models
a. EPA Preferred Models
b. Technical Options
c. Proprietary Models
6. Source Data
a. Emission Rates
b. Surrounding Source Contributions
c. Background Concentrations
7. Receptor Grids and Related Topics
a. Polar/Rectangular Receptor Grids
b. ‘Ambient Air' Boundary Receptors
c. Terrain Elevations
8. Meteorological Data
a. Screening Meteorological Data
b. Representative Meteorological Data
9. Time Averaging Periods
10. Building Downwash
11. Cavity Modeling
12. Visibility Modeling
13. Submittal Requirements
a. General Requirements
b. NAAQS
c. PSD Increment
References
Appendix I
Methodology for Emission Threshold Values for Hazardous Air Pollutants
Appendix II
Minimum Requirements to Establish Data Representativeness
Appendix III
Air Quality Modeling Checklist
Appendix VI
Utah Air Conservation Rule Language and Definitions for Modeling
Table 1
Criteria Pollutant Emission Levels for Dispersion Modeling
Table 2
Emission Threshold Factors for Hazardous Air Pollutants
Table 3
State of Utah Air Quality Standards for Criteria Pollutants
Table 4
Significant Air Quality Impact for Determining Impact Area
Table 5
Time-Scaled Factors for Converting Averaging Periods

