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 Capabilities:

  • Hearing support and expert testimony
  • Toxic tort or nuisance legal proceedings
  • Regulatory permit support and planning (including contested hearings)
  • Risk Management Plans (under CAAA Section 112(r))
  • Health effects assessments and risk analyses
  • Plant siting studies
  • Ambient air monitor siting
  • Evaluation of normal and emergency releases, including real-time systems
  • Modeling for criteria and toxic pollutant impacts
  • Correlation of monitoring data and modeling predictions (i.e., calibration of model)
  • Emission source characterization or source culpability ("fingerprinting") analyses
  • Preparation of clear and concise reports which meet federal and state modeling report guidelines


 Resources:

  • All EPA-approved models, and pre- and post-processing programs
  • Staff with modeling experience: 11
  • Individual years of experience: 1 to 12
  • 13 networked Pentium-powered PCs (runs can be queued and executed in parallel on all specified computers for maximum efficiency and turnaround)
  • Electronic integration of facility and physical structure data from AutoCAD plots with computerized downwash analysis and inputs
  • Analysis and processing of raw meteorological data or use of electronic meteorological data sets
  • Most often used models:
    • EPA Industrial Source Complex and SCREEN
    • INPUFF
    • Toxics SCREEN (TSCREEN)


 Other Qualifications:

  • In-house customization and optimization of models
  • Tracking of modeling developments and changes in state/EPA guidance or policy
  • Regular review and comment on state/EPA modeling guidelines
  • Regular attendance of EPA's Conference on Air Quality Modeling
  • Completion of tens of thousands of modeling runs conducted for hundreds of sites
  • Solid reputation with state/EPA staffs