Air Modeling for Combustion Risk Assessments

The EPA-developed meteorological preprocessor program PCRAMMET requires numerous parameter specifications withing ranges of values identified from reference literature without identifying model sensitivity. In 1997, Region 6 conducted a sensitivity analysis comparing ISCST3 modeled results using the Protocol recommended values to modeled results using the upper and lower range values for identified elements. In additional, Region 6 has developed a checklist to conduct Quality Assurance for the input/output from the ISCST3 air dispersion model.

• Model Paramater Sensitivity Analysis (Senitivity Analysis of ISCST3 input parameters)
  
  • Volume 1 Results (983kb pdf file)
    
  • Volume 2 Appendices
    
    Appendix A - Table of Absolute and Normalized Element Study Results:
    
    • Part1 (1299kb pdf file)
      
    • Part2 (1305kb pdf file)
    Appendix B - Printouts of ISCST3 Model Inputs (268kb pdf file)

• Suggestions for Auditing Assessment Air Modeling Studies following the 1998 U.S. Office of Solid Waste Human Health and Ecological Risk Assessment Protocols. (15kb pdf file)