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Conformity Adequacy Review: Region 1

State Implementation Plan (SIP) Submissions that EPA has Found Adequate or Inadequate
Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont

For more information about adequacy review, go to the main adequacy page.

Contacts: Ariel Garcia at 617-918-1660, or garcia.ariel@epa.gov.
5 Post Office Sq. Suite 100, Mail Code OEP05-2, Boston, MA 02109-3912

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Connecticut
Area Pollutant SIP Submission Finding 
(date budgets apply)  
Additional Information/ Comments
CT portion of the NY - Northern NJ - Long Island, NY - NJ - CT area; CT
AND
Greater Connecticut area, CT
2008 8-hour ozone Attainment demonstration Adequate Letter (6/14/2017)
FR Notice (printed 5/31/2017)
Budgets found adequate through the adequacy review process.
reasonable further progress and attainment demonstration Previous adequate 2012 outyear MVEBs withdrawn effective 3/2/2011.
Adequacy Letter
FR Notice

Adequate Letter(6/27/2008)
FR Notice
Budgets found adequate through the adequacy review process.
Note:  The 2009 and 2012 budgets for both CT areas were found adequate for SIP strengthening purposes as described in the June 2, 2008 letter to CTDEP.

CT portion of the NY - NJ - CT area
(Southwestern Connecticut area, CT)

pm2.5 maintenance plan Adequacy Letter (2/20/2013)
FR Notice
Budgets found adequate through the adequacy review process.
early progress SIP Adequate Letter (6/20/2007)
FR Notice
Budgets found adequate through the adequacy review process.
Maine
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Hancock, Knox, Lincoln, and Waldo Counties (Midcoast) 8-hour ozone maintenance plan Adequate Letter (10/5/2006)
FR Notice
Budgets found adequate through the adequacy review process.
Portland area 8-hour ozone maintenance plan Adequate Letter(10/5/2006)
FR Notice
Budgets found adequate through the adequacy review process.
5% Adequate Letter (9/14/2005)
FR Notice
Budgets found adequate through the adequacy review process.
Massachusetts
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Boston - Lawrence - Worcester (E. Mass.) and Springfield (W. Mass.) 8-hour ozone further progress and attainment demonstration plan Adequate Letter (4/2/2008)
FR Notice
Budgets found adequate through the adequacy review process.
Springfield (W. Mass.) Area 1-hour ozone attainment demonstration Adequate
(02/19/99)
Determination made under old process.
New Hampshire
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Boston - Manchester - Portsmouth 8-hour ozone maintenance plan Adequate Letter (5/29/2012)
FR Notice (PDF)(2 pp, 211 K, published May 14, 2012, About PDF)
Budgets found adequate through the adequacy review process.
attainment plan Adequate Letter (8/12/2008)
FR Notice
Budgets found adequate through the adequacy review process.
Manchester - Nashua carbon monoxide limited maintenance plan Adequate (3/10/14)
FR notice (PDF) (3 pp, 254 K, publihsed March 10, 2014, About PDF)
Budgets found adequate through the SIP approval process.
maintenance plan Adequate Letter (3/15/2000)
FR Notice (02/29/00)
FR Notice (11/29/00)
Budgets found adequate through the adequacy review process.
Rhode Island
Area Pollutant SIP
Submission
Finding
(date budgets apply)
Additional Information/ Comments
Providence (All of Rhode Island) Rhode Island Area 8-hour ozone reasonable further progress and attainment demonstration plan budgets Adequate Letter (7/15/2008)
FR Notice
Budgets found adequate through the adequacy review process.