New concept | AND/OR | ||||||
Designated Area | Attainment or Unclassified Area | Sustainment Area | Nonattainment Area | Reattainment Area | Maintenance Area | ||
Regulatory Goal | Maintain AQ | Prevent nonattainment | Improve AQ | Maintain/improve AQ | Maintain/improve AQ | ||
Major New Source Review | FM for any pollutant, major mod for any pollutant | FM for any pollutant, major mod for any pollutant | Designated pollutant > 100 tpy & major mod for designated pollutant | Designated pollutant > 100 tpy & major mod for designated pollutant | Designated pollutant > 100 tpy & major mod for designated pollutant | ||
AQ Mon1 | AQ Mon2 | AQ Mon1 | |||||
BACT | BACT | LAER | LAER | BACT | |||
AQRV | AQRV | AQRV | AQRV | AQRV | |||
NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | |||||
AND | AND | ||||||
NAQB: Offsets (<1.0:1) ** | NAQB: Offsets3 (<1.2:1) ** | NAQB: Offsets3 (<1.2:1) ** | NAQB: Offsets4 (<1.0:1) ** | ||||
Additional Impacts | Additional Impacts | Additional Impacts | Additional Impacts | ||||
Alternatives Analysis | Alternatives Analysis | ||||||
Certify Compliance for all sources | Certify Compliance for all sources | ||||||
State NSR for Federal Major Source (PSEL increase > SER , no major mod) ** | FM for any pollutant | Designated pollutant > 100 tpy | Designated pollutant > 100 tpy | Designated pollutant > 100 tpy | Designated pollutant > 100 tpy | ||
AQRV | AQRV | AQRV | AQRV | AQRV | |||
NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | ||||
OR |
OR
|
OR | |||||
NAQB: Offsets3 (<1.0:1) ** | NAQB: Offsets3 (<1.2:1) ** | NAQB: Offsets4 (<1.0:1) ** | NAQB: Offsets4 (<1.0:1) ** | ||||
State NSR for Minor Sources | Any pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | ||
BACT5 | BACT5 | BACT5 | |||||
NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | NAAQS, Class II & I Inc | ||||
OR |
OR |
OR | |||||
BACT5 + NAQB: Offsets3 (<1.0:1) ** | NAQB: Offsets3 (<1.0:1) ** | NAQB: Offsets4 (<1.0:1) ** | NAQB: Offsets4 (<1.0:1) ** | ||||
Any source impacting designated area | Any pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | Designated pollutant PSEL increase > SER | ||
NAAQS, Class II Inc | Offsets6 ** | Offsets6 ** | Offsets6 ** | Offsets6 ** | |||
* Ozone subject to sustainment and reattainment requirements but no proposed changes for offsets and NAQB for ozone areas.
** Offset ratio can be reduce by obtaining a portion of the required offsets from priority sources if priority sources are identified when area is designated.