Comparison of Proposed Requirements for New Areas

Source Emissions after the PSEL incr.

Proposed Requirements for Attainment Areas

Proposed Requirements for Sustainment Areas

Proposed Requirements for Nonattainment Areas

 

Somewhere explain change to FM classification

250 tons per year or 100 tons per year or for specified sources

Source is classified as Federal Major

 

Preconstruction monitoring ***

BACT *

AQ analysis

 NAAQS and PSD Increments

Additional impacts analysis *

AQRV analysis

 

Source is classified as Federal Major

 

Preconstruction monitoring (required)

BACT *

AQ analysis

 NAAQS and PSD Increments

Offsets

 1.1:1 for ozone

 1.0:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

 

Additional impacts analysis *

AQRV analysis

Source is classified as Federal Major

 

LAER *

Offsets

 1.1:1 for ozone

 1.2:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

NAQB

 Source plus competing sources since area was designated less than 10% of the NAAQS

AQRV analysis

Alternative sites analysis *

Certify compliance for all sources *

 

100 tons per year to 249 tons per year for unspecified sources

Source is classified as Major

 

AQ analysis

 NAAQS and PSD Increments

 

Source is classified as Federal Major

 

Preconstruction monitoring (required)

BACT *

AQ analysis

 NAAQS and PSD Increments

Offsets

 1.1:1 for ozone

 1.0:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

 

Additional impacts analysis *

AQRV analysis

Source is classified as Federal Major

 

LAER *

Offsets

 1.1:1 for ozone

 1.2:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

NAQB

 Source plus competing sources since area was designated less than 10% of the NAAQS

AQRV analysis

Alternative sites analysis *

Certify compliance for all sources *

 

SER to 99 tons per year

AQ analysis

 NAAQS and PSD Increments

 

 

Source is classified as Minor

 

BACT *

Offsets

 1.1:1 for ozone

 1.0:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

NAQB

 Source plus competing sources since area was designated less than 10% of the NAAQS

 

Less than SER

NC rules or ACDP

NC rules or ACDP, no change

NC rules or ACDP, no change

 

* If a Major Modification is involved

** Offset ratio varies for certain areas such as Medford PM10, etc.

Source Emissions after the PSEL incr.

Proposed Requirements for Nonattainment Areas

 

Somewhere explain change to FM classification

Proposed Requirements for Reattainment Areas

Proposed Requirements for Maintenance Areas

100 tons per year or more

Source is classified as Federal Major

 

LAER *

Offsets

 1.1:1 for ozone

 1.2:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

NAQB

 Source plus competing sources since area was designated less than 10% of the NAAQS

AQRV analysis

Alternative sites analysis *

Certify compliance for all sources *

 

 

Source is classified as Federal Major

 

Preconstruction Monitoring ***

BACT *

AQ analysis

 NAAQS and PSD Increments

Maintenance area AQ protection

 Offsets

◦  1.1:1 for ozone

◦  1.0:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources ** and NAQB

▪  Source plus competing sources since area was designated less than 10% of the NAAQS  

Or

 Growth allowance

Or

 Model below maintenance area limits

Additional impacts analysis

AQRV analysis

 

SER to 99 tons per year

Source is classified as Minor

 

BACT *

Offsets

 1.1:1 for ozone

 1.0:1 for other pollutants, with provision to reduce the ratio if offsets are obtained from priority sources

NAQB

 Source plus competing sources since area was designated less than 10% of the NAAQS

 

 

Source is classified as Minor

 

-

BACT *

AQ analysis

 NAAQS and PSD Increments

Maintenance area AQ protection

 Offsets

◦  1.1:1 for ozone

◦  1.0:1 for other pollutants ** and NAQB

▪  Reduce impacts at majority of receptors; and

▪  Impacts less than SIL at all receptors  

 

 

Or

 Growth allowance

Or

 Model below maintenance area limits

 

Less than SER

NC rules or ACDP, no change

 

NC rules or ACDP, no change