Does conformity apply to compact areas that comply with the 1-hour ozone standard, but are not subject to a section 175A maintenance plan for the 1-hour standard?
RESPONSE: No, conformity for the 1-hour standard does not apply to compact areas that are not subject to a section 175A 1-hour maintenance plan. Conformity applies to designated nonattainment areas and maintenance areas. Because the effective date of the nonattainment designation is deferred for EAC areas that are determined to be violating the 8-hour ozone standard, conformity will not apply to areas that continue to meet all Compact milestones However, if the EAC area misses a compact milestone or EPA determines that a submission in response to a milestone is deficient or not approvable, the nonattainment designation would become effective, which would trigger conformity. There is a 1-year grace period between the time of the effective date of the nonattainment designation and the time that the area is subject to conformity. Top of page Modeling 7. Will EPA be issuing further guidance as to what level of detail is expected in air dispersion modeling? Is it assumed that new modeling w
Related Questions
- Does conformity apply to compact areas that comply with the 1-hour ozone standard, but are not subject to a section 175A maintenance plan for the 1-hour standard?
- If a Compact areas deferral is ended, and its nonattainment designation for the 8-hour standard becomes effective, when will conformity apply?
- COULD TRADING MAKE SOME AREAS LESS LIKELY TO ACHIEVE THE OZONE STANDARD?
