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EPA/RODALLAS RIN: 2006-AA00 Publication ID: Fall 2010 
Title: ●Oklahoma Regional Haze Federal Implementation Plan (FIP) 
Abstract: EPA is under a consent decree with Wild Earth Guardians to either propose approval of a State Implementation Plan (SIP), or propose approval of a Federal Implementation Plan (FIP), or some combination to satisfy the visibility prong of the transport requirements for Oklahoma under section 110(a)(2)(D)(i) of the Clean Air Act (CAA) by November 10, 2010, with a final decision by May 10, 2011. EPA's plan is to satisfy that requirement using the Regional Haze SIPs. The agency currently has a Regional Haze SIP that was submitted by Oklahoma. However, EPA expects to propose disapproval of the SIP on grounds that it does not include Sulfur dioxide (SO2) controls for six coal fired power plants. The Oklahoma SIP did not require SO2 controls based on the company's projections of the expected cost of the controls. In the analysis submitted by Oklahoma in their Regional Haze SIP revision, they determined that the installation of the scrubbers would be technologically feasible, and the only factor leading them to their decision to not require the installation of these scrubbers at the 6 power plants in question is cost-effectiveness. However, EPA's internal analysis indicates the power company's cost estimates were too high. Based on our preliminary assessment of Oklahoma’s cost analysis for the six SO2 scrubbers, Oklahoma’s Regional Haze SIP is not approvable. The ultimate decision of cost effectiveness is made by EPA. Should EPA conclude, in the final decision, that the controls are in fact cost effective and should be installed, the agency is obligated to promulgate its own plan—a FIP that would require those controls. EPA estimates, based on 90% control and using 2006-2008 data, that the installations of scrubbers on the six coal fired power plant units would prevent 58,768 tons of SO2 from being emitted annually. The total SO2 emission budget for Oklahoma, based on 2002 data (most recent available) is 170,021 tons. Therefore, the scrubber installations would reduce by about 35 percent Oklahoma's annual SO2 emissions. It is believed that these controls would result in substantial visibility benefits at several Class I areas. This amount of SO2 reduction would also have significant health benefits to the citizens of Oklahoma and adjoining areas. 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: First time published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: Undetermined 
CFR Citation: Not Yet Determined     (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: Not Yet Determined   
Legal Deadline:
Action Source Description Date
Final  Judicial  Court-ordered consent decree deadline for final rule is May 10, 2011.  05/10/2011 
NPRM  Judicial  Court-ordered consent decree deadline for proposed rule is November 10, 2010.  11/10/2010 
Timetable:
Action Date FR Cite
NPRM  12/00/2010    
Final Action  05/00/2011    
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, State 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Guy Donaldson
Environmental Protection Agency
Regional Office Dallas
6PD-L,
Dallas, TX 75223
Phone:214 665-7242
Email: Donaldson.Guy@epamail.epa.gov

Joe Kordzi
Environmental Protection Agency
Regional Office Dallas
6PD-L,
Dallas, TX 75223
Phone:214 665-7186
Email: Kordzi.Joe@epamail.epa.gov