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
| 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 |
1997 8-hour ozone | reasonable further progress and attainment demonstration |
Letter (6/2008) (pdf)
FR Notice: Adequacy Status of the Connecticut 8- Hour Ozone Motor Vehicle Emissions Budgets and Out-Year Motor Vehicle Emissions Budgets for Transportation Conformity Purposes; Connecticut (pdf) (145 KB, published June 12, 2008) |
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. |
| 2008 8-hour ozone | Attainment demonstration |
Letter (3/2017) (pdf)
FR Notice: Adequacy Status of Motor Vehicle Emissions Budgets for Transportation Conformity Purposes: Connecticut (printed 5/31/2017) |
Budgets found adequate through the adequacy review process. | |
| reasonable further progress and attainment demonstration | Previous adequate 2012 outyear budgets withdrawn effective 3/2/2011. Letter (12/2011) (pdf) FR Notice: Status of Motor Vehicle Budgets in Submitted State Implementation Plan for Transportation Conformity Purposes; Connecticut; Notice of Withdrawal of Adequacy of Motor Vehicle Emissions Budgets (pdf) (149 KB, published February 15, 2011) |
Previous 2008 ozone RFP budgets remained adequate. | ||
|
CT portion of the NY - NJ - CT area |
pm2.5 | maintenance plan |
Letter (1/2013) (pdf)
FR Notice: Adequacy Status of Motor Vehicle Emission Budgets for Transportation Conformity Purposes; Connecticut (pdf) (190 KB, February 5, 2013) |
Budgets found adequate through the adequacy review process. |
| early progress SIP |
Letter (6/2007) (pdf)
FR Notice: Adequacy Status of the Submitted 2009 Early Progress Direct PM2.5 and NOX Motor Vehicle Emission Budgets for Transportation Conformity Purposes; Connecticut; New YorkNorthern New Jersey-Long Island, NYNJ-CT PM2.5 Area (pdf) (141 KB, published June 5, 2007) |
Budgets found adequate through the adequacy review process. | ||
| Greater Connecticut area, CT | 2008 8-hour ozone | reasonable further progress | Not Applicable | Adequacy process started in error; the State’s submission did not include actionable budgets. The August, 2020 clean data determination for the area suspended the requirement for the State to submit a reasonable further progress plan. (See 85 FR 41924) |
| Maine | ||||
| Area | Pollutant | SIP Submission |
Finding (date budgets apply) |
Additional Information/ Comments |
| Hancock, Knox, Lincoln, and Waldo Counties (Midcoast) | 8-hour ozone | maintenance plan |
Letter (9/2006) (pdf)
FR Notice |
Budgets found adequate through the adequacy review process. |
| Portland area | 8-hour ozone | maintenance plan |
Letter (9/2006) (pdf)
FR Notice |
Budgets found adequate through the adequacy review process. |
| 5% |
Letter (8/2005) (pdf)
FR Notice: Adequacy Status of Submitted State Implementation Plans (SIP) for Transportation Conformity Purposes: 5 Percent Increment of Progress Motor Vehicle Emissions Budgets for the Portland Maine 8-Hour Ozone Nonattainment Area (pdf) (147 KB, published August 30, 2005) |
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 |
Letter (3/2008) (pdf)
FR Notice: Adequacy Status of the Massachusetts 8-Hour Ozone Motor Vehicle Emissions Budgets for Transportation Conformity Purposes; Massachusetts (pdf) (147 KB, March 18, 2008) |
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 |
Letter (4/2012) (pdf)
FR Notice: Adequacy Status of the Submitted 2008 and 2022 VOC and NOX Motor Vehicle Emissions Budgets for Transportation Conformity Purposes; New Hampshire; Boston-Manchester-Portsmouth (SE), New Hampshire, 8-Hour Ozone Area (pdf) (211 KB, published May 14, 2012) |
Budgets found adequate through the adequacy review process. |
| attainment plan |
Letter (7/2008) (pdf)
FR Notice: Adequacy Status of the Submitted 2009 VOC and NOX Motor Vehicle Emissions Budgets for Transportation Conformity Purposes; New Hampshire; Boston-Manchester-Portsmouth (SE), New Hampshire, 8-Hour Ozone Area. (pdf) (141 KB, July 28, 2008) |
Budgets found adequate through the adequacy review process. | ||
| Manchester - Nashua | carbon monoxide | limited maintenance plan | Adequate (3/10/14) Final Rule: Approval and Promulgation of Air Quality Implementation Plans; New Hampshire; Manchester and Nashua Carbon Monoxide Limited Maintenance Plans (pdf) (254 KB, published March 10, 2014) |
Budgets found adequate through the SIP approval process. |
| maintenance plan |
Letter (3/2000) (pdf)
FR Notice: Adequacy Status of the Nashua, New Hampshire and Manchester, New Hampshire Submitted Carbon Monoxide Redesignation Requests for Transportation Conformity Purposes (pdf) (211 KB, published February 29, 2000) Proposed Rule: Approval and Promulgation of Air Quality Implementation Plans and Designations of Areas for Air Quality Planning Purposes; State of New Hampshire; Revision to the Carbon Monoxide State Implementation Plan, City of Nashua; Carbon Monoxide Redesignation Request, Maintenance Plan, Transportation Conformity Budget, and Emissions Inventory for the City of Nashua; Carbon Monoxide Redesignation Request, Maintenance Plan, Transportation Conformity Budget, and Emissions Inventory for the City of Manchester (pdf) (215 KB, published November 29, 2000) |
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 |
Letter (6/2008) (pdf)
FR Notice: Adequacy Status of the Rhode Island 8-Hour Ozone Motor Vehicle Emissions Budgets for Transportation Conformity Purposes; Rhode Island (pdf) (149 KB, published June 30, 2008) |
Budgets found adequate through the adequacy review process. |