Corpus Christi: Ozone Planning

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Corpus Christi Eight-Hour Ozone Flex Plan

In 2004, the U.S. Environmental Protection Agency (EPA) designated the Corpus Christi area as in attainment for the 1997 eight-hour ozone NAAQS. Stakeholders in Nueces and San Patricio Counties expressed a desire to develop an Ozone Flex (O₃ Flex) program for the eight-hour ozone standard and had a letter of intent sent to EPA from the Mayor of Corpus Christi on October 4, 2004. In response to Corpus Christi’s initiative, EPA issued national guidelines for the Eight-Hour O₃ Flex Program on May 18, 2006, similar to the previous guidance for the One-Hour O₃ Flex Program. The purpose of the Eight-Hour O₃ Flex program is to encourage eight-hour ozone attainment areas nationwide to reduce ozone emissions to continue to meet the NAAQS for ozone. All parties signed the five-year agreement in 2007.

Files linked below are in Portable Document Format (PDF).

• Corpus Christi Eight-Hour Ozone Flex Plan Memorandum of Agreement (2007-008-MIS-NR)
• Appendices
• Appendix 1—Corpus Christi Air Quality Committee
• Appendix 2—Update of the Conceptual Model
• Appendix 3—TAMUK Workplan
• Appendix 4—Emissions Reduction Estimation Methodology
• Appendix 5—Coastal Bend Air Quality Monitoring Sites
• Appendix 6—Commitment Letters
• Appendix 7—AutoCheck Repair Data