Area Designations for 1997 Ground-level Ozone Standards
Redesignation Guidance
Topics
- Redesignation Requests
- Table of Redesignated Areas
- Redesignation Guidance
EPA provided guidance on redesignation in the General Preamble for the Implementation of Title I of the CAA Amendments of 1990, on April 16, 1992 (57 FR 13498), and supplemented this guidance on April 28, 1992 (57 FR 18070). EPA has provided further guidance on processing redesignation requests in the following documents:
- "Procedures for Processing Requests to Redesignate Areas to Attainment,"(PDF) (13 pp, 812KB) Memorandum from John Calcagni, Director, Air Quality Management Division, September 4, 1992.
- State Implementation Plans; "Ozone and Carbon Monoxide Design Value Calculations", Memorandum from Bill Laxton, June 18,
1990.
- "Maintenance Plans for Redesignation of Ozone and Carbon Monoxide Nonattainment Areas," (PDF) (1 pp, 34KB) Memorandum from G. T. Helms, Chief, Ozone/Carbon Monoxide Programs Branch, April 30, 1992.
- "Contingency Measures for Ozone and Carbon Monoxide (CO)
Redesignations," (PDF) (3 pp, 134KB) Memorandum from G. T. Helms, Chief, Ozone/Carbon Monoxide Programs Branch, June 1, 1992.
- "State Implementation Plan (SIP) Actions Submitted in Response to Clean Air Act (ACT) Deadlines," Memorandum from John Calcagni, Director, Air Quality Management Division, October 28, 1992.
- "Technical Support Documents
(TSD's) for Redesignation Ozone and Carbon Monoxide (CO) Nonattainment Areas," (PDF) (2 pp, 93KB) Memorandum from G. T. Helms, Chief, Ozone/Carbon Monoxide Programs Branch, August 17, 1993.
- "State Implementation Plan (SIP) Requirements for Areas Submitting Requests for Redesignation to Attainment of the Ozone and Carbon Monoxide (CO) National Ambient Air Quality Standards (NAAQS) On or After November 15, 1992," (PDF) (8 pp, 381KB) Memorandum from Michael H. Shapiro, Acting Assistant Administrator for Air and Radiation, September 17, 1993.
- "Use of Actual Emissions in Maintenance Demonstrations for Ozone and CO Nonattainment Areas," (PDF) (3 pp, 149KB)Memorandum from D. Kent Berry, Acting Director, Air Quality Management Division, to Air Division Directors, Regions 1-10, November 30, 1993.
- "Part D New Source Review (part D NSR) Requirements for Areas Requesting Redesignation to Attainment," Memorandum from Mary D. Nichols, Assistant Administrator for Air and Radiation, October 14, 1994.
- "Limited Maintenance Plan Option for Nonclassifiable Ozone Nonattainment Areas," (PDF) (8 pp, 393 KB) Memorandum from Sally L. Shaver, Director, Air Quality Strategies & Standards Division, November 16, 1994.
- "Reasonable Further Progress, Attainment Demonstration, and Related Requirements for Ozone Nonattainment Areas Meeting the Ozone National Ambient Air Quality Standard," (PDF) (8 pp, 468KB) Memorandum from John S. Seitz, Director, Office of Air Quality Planning and Standards, May 10, 1995.