San Antonio: Latest Ozone Planning Activities
San Antonio Attains 1997 Eight-Hour Ozone Standard
On April 2, 2008, the EPA issued final action to designate San Antonio, along with 12 other Early Action Compact areas, as attainment for the eight-hour ozone standard, as the area met all milestones of the EAC program and demonstrated attainment of the 1997 eight-hour ozone standard by December 31, 2007 (73 FR 17897) . The effective date of this final action is April 15, 2008. Additionally, the one-hour ozone standard was revoked for the San Antonio area effective April 15, 2009.
Designating the San Antonio area as attainment for the 1997 eight-hour ozone standard means that there are no further state implementation plan requirements for the existing standard as long as the area continues to monitor attainment for the standard.