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Regional Haze Analyses

The Western Regional Air Partnership (WRAP) will provide technical analyses and databases to assist states, tribes, federal land managers, local air agencies and the US EPA with periodic implementation and planning requirements for the Regional Haze Rule in the West.

The effort on Regional Haze includes, but is not limited to:

  • Analyses to support air quality planning and management by individual WRAP member jurisdictions and agencies for the Regional Haze Rule;
  • Tracking trends, periodic assessments of the nature and causes of Regional Haze, and how the sources and impacts are related to ozone, particulate matter, nitrogen deposition and critical loads, mercury, and other pollutants;
  • Emissions sources from all sectors, both domestic and international;
  • Effects of air pollution transport; and
  • Effects of climate change on regional air quality.

To accomplish this, WRAP develops, maintains, and shares databases, supports technical analyses, and provides access to data and results from various information sources to produce consistent, comparable, and complete results for use by individual WRAP member jurisdictions and agencies.

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IMPLEMENTATION

Periodic Regional Haze SIP Status Report

WRAP Region BART, §308, §309, and §309(g) Regional Haze SIPs/FIPs Completion Status Report (November 3, 2011)

Draft 2010 §309 SO2 Backstop Cap and Trade Program Milestone Report (PDF) or (DOC)

As part of the Regional Haze Rule §309 Backstop Cap and Trade Program, the participating WRAP region States of New Mexico, Utah, and Wyoming, along with the City of Albuquerque-Bernalillo County have completed the draft 2010 Regional SO2 Emissions and Milestone Report. The report determines whether or not average adjusted sulfur dioxide (SO2) emissions from 2008, 2009, and 2010 emitted by large industrial sources, exceed the 2010 SO2 emission milestone set in the Regional Haze State Implementation Plans for New Mexico, Utah, Wyoming, and the City of Albuquerque. These states and city submitted regional haze plans and cooperated in the development of this draft report. The draft report shows that total adjusted emissions of SO2 from large industrial sources in the three states and one city in 2010 were 131,124 tons, which was lower than the 2009 adjusted emissions total of 143,704 tons. The average of 2008, 2009, and 2010 adjusted emissions is 146,808 tons. Based on this average adjusted annual emissions estimate, a preliminary determination has been made that the three states and one city have met the 2010 regional SO2 milestone of 200,722 tons under the revised plans. Please contact the individual state representatives listed on Page 1 of the draft Report for details on each state program’s respective data. Two additional analyses are included as part of the draft 2010 milestone report. The projected 2018 inventory that was used to develop the milestones in the §309 SIPs is still current and will be used in the 2013 SIP review to determine the likelihood of meeting the 2018 milestone. The 2006 audit of the tracking system has been determined to meet the requirement for a 5-year audit of the program in 2011.

Final 2009 §309 SO2 Backstop Cap and Trade Program Milestone Report

As part of the Regional Haze Rule §309 Backstop Cap and Trade Program, the participating WRAP region States of New Mexico, Utah, and Wyoming, along with the City of Albuquerque-Bernalillo County have completed their Annual Milestone Report for 2009. This and earlier reports were submitted to EPA based on commitments made in the states’ Regional Haze SIP submittals. While the EPA has not formally approved those State Implementation Plans, 2008 and earlier tracking Reports are found on the §309 Coordinating Committee page of the "ARCHIVED" WRAP Website. The final 2009 calendar year report is found here. Please contact the individual state representatives listed on Page 1 of the 2009 Report for details on each program’s respective data.

Revised Milestones for §309 SO2 Backstop Cap and Trade Program

The States of New Mexico, Utah, and Wyoming, along with the City of Albuquerque have revised the Sulfur Dioxide Milestones for the Regional Haze Rule §309 Backstop Cap and Trade Program. The revised milestones and proposed §309 program for affected sources are described in the documents listed below.

Summary of Changes from the 2003 SIP (PDF)
Summary of Milestone Changes (PDF)
Better than BART (PDF)
Milestones (XLS)

Comments were requested by October 22, 2010, and all comments received will now be reviewed by the four agencies. A unified “comment and response” document will be prepared and distributed at the time the SIPs are filed.

For Questions, please contact Tina Anderson, SIP and Rule Development lead for the Air Quality Division, State of Wyoming, at: tina.anderson@wyo.gov

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