Clean Air Act Prevention of Significant Deterioration; Status of Increment Consumption and LRT Modeling Protocol

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• A Plan for Updating LRT Modeling Protocol
  

• Comments by the North Dakota Department of Health on EPA's Proposed Rule Revisions for Modeling PSD Increment Consumption

• August 2007 Legal and Technical Comments

  • Technical Comments on EPA's Proposed Rule Revisions

  • Responses to Recurring Issues Related to North Dakota's Computer Modeling of Sulfur Dioxide in CAA PSD Class 1 Areas

• September 2007 Supplemental Legal and Technical Comments

  • A -- Supplemental Comments on EPA's Proposed Rule Revisions

  • B -- House Conference Report 95-564

  • C -- Senate Report 95-127

  • D & E -- Paper Offset and Gulf Coast

  • F -- A 1999 letter to EPA
    

• FINAL - Documents Relating to a Memorandum of Understanding between the State of North Dakota and the U.S. Environmental Protection Agency Regarding a Computer Modeling Protocol for the State's PSD Program

• Document Cover

• Document table of contents

• North Dakota's SO₂ PSD Air Quality Modeling Report

• Glossary of acronyms and abbreviations

• Hearing Officer's letter to the State Health Office, Findings and Determination of September 7, 2005 and Response to Comments.

• North Dakota and U.S. EPA Memorandum of Understanding dated and signed February 24, 2004.

• NDDH May 5, 2004 Letter to EPA.

• FINAL - "A proposed alternative air quality modeling protocol to examine the status of attainment of PSD Class I increments" dated August 18, 2005.

• Attachments 1 and 2

• FINAL - "Results of air quality modeling to examine the status of attainment of PSD Class I sulfur dioxide increments" dated August 18, 2005.

• "RUC Analysis-based CALMET Meteorological Data for the State of North Dakota" dated August 24, 2004.  Prepared by WindLogics, Inc., St.Paul, MN.

• "A Comparison of NOAA RUC Analysis Surface Winds and ADAS-Enhanced RUC Analysis Winds with Surface Observations" dated August 27, 2004.  Prepared by WindLogics, Inc., St. Paul, MN.

• "Synoptic Analysis of Episodic Easterly Wind Events in Central-Western North Dakota for the Years 2000-2002" dated December 16, 2004.  Prepared by WindLogics, Inc., St. Paul, MN.

• August 8, 2002, and September 8, 2003, Orders of North Dakota State Health Officer Terry L. Dwelle

• FINAL - "Monitored Air Quality in North Dakota: A Summary" dated August 18, 2005

• FINAL - "A Summary of the Development of the Clean Air Act And Its Prevention of Significant Deterioration Provisions" dated August 18, 2005.

• FINAL - "PSD Variance Issue in North Dakota" dated August 18, 2005

• FINAL - "Background Discussion of Model Input Data and Potential Refinements" dated August 18, 2005
  

• Periodic Review Hearing (2005) Relating to ND's SO2 PSD Increments and Modeling

  • Findings and Determination Relating to the 2005 Periodic Review Hearing

  • Documents Relating to North Dakota's MOU Air Quality Modeling Report

  • Notice of Second Hearing Extension - June 10, 2005

  • Notice of Hearing Extension - May 13, 2005

  • Hearing Officer Appointed - April 4, 2005

  • Notice of Hearing - March 7, 2005
     

• Additional Information Relating to Synoptic Analysis of Episodic Easterly Wind Events in Central-Western North Dakota for the Years 2000-2002

• Animation 1:  Surface pressure and 10 m wind vectors

• Animation 2:  900 mb geopotential height and wind vectors

• Animation 3:  250 mb geopotential height and wind vectors
   

• Proposed Determination of the Adequacy of the North Dakota State Implementation Plan to Prevent Significant Deterioration (air quality)

  • Finding of Fact in the Matter of : Proposed Determination of the Adequacy of the North Dakota State Implementation Plan to Prevent Significant Deterioration.

  • North Dakota PSD Class I Analysis - May 2003

  • Prevention of Significant Deterioration - Sulfur Dioxide - Final Baseline Emission Rates - May 2003 (appendices available in hardcopy)

  • May 2002 Hearing Action Summary - May 2003

  • EPA Dispersion Modeling Analysis - May 2003