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  2. State and Local Transportation

Conformity Adequacy Review: Region 2

State Implementation Plans (SIP) Submissions that EPA has Found Adequate or Inadequate 
Region 2: New Jersey, New York, and the territories of Puerto Rico and the U.S. Virgin Islands

This page provides a list of state implementation plans that include motor vehicle emission budgets that EPA Region 2 has found either adequate or inadequate for the purposes of transportation conformity.

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

Contact: Reema Loutan, (NJ) U.S. EPA Region 2, Air Program Branch, 290 Broadway, New York, NY 10007; phone 212-637-3760, fax; 212-637-3901 or Loutan.reema@epa.gov.
Lily Black, (NY) U.S. EPA Region 2, Air Programs Branch, 290 Broadway, New York, NY 10007; phone 212-617-3884 or Black.lily@epa.gov

New Jersey
Area Pollutant SIP
Submission
Finding
(effective date)
Additional Information/ Comments
Camden County, NJ and Not-Classified Areas: Atlantic City, Burlington, Freehold, Morristown, Penns Grove, Perth Amboy, Somerville, Toms River, and Trenton, NJ carbon monoxide maintenance plan Adequate FR Notice (pdf) (152 KB, published July 10, 2006) Budgets found adequate through the SIP approval process.
New Jersey portion of the NY - Northern NJ - Long Island area 8-hour ozone reasonable further progress Adequate Letter (1/18/2023) (pdf) (270.64 KB, January 18, 2023)
FR Notice (pdf) (198 KB, March 13, 2023)
 
reasonable further progress and attainment demonstration Adequate Letter (8/1/2008) (pdf) (218.69 KB, June 9, 2008)
FR Notice (pdf) (147 KB, published July 17, 2008)
Budgets found adequate through the adequacy review process.
2008 8-hour ozone attainment plan Adequate Letter (8/16/2018) (pdf) (1.39 MB)
FR Notice (pdf) (234 KB, September 25, 2018)
Budgets found adequate through the adequacy review process.
pm2.5 maintenance plan Adequate Letter (pdf) (249.84 KB, March 11, 2024)

FR Notice (pdf) (241 KB, published May 23, 2024)

Budgets found adequate through the adequacy review process.
maintenance plan Adequate (7/9/2013)
FR Notice (pdf) (222 KB, published June 24, 2013)
Budgets found adequate through the adequacy review process.
attainment demonstration Adequate Letter (6/29/2010) (pdf) (115.83 KB, May 4, 2010)
FR Notice (pdf) (144 KB, published August 2, 2010)
Budgets found adequate through the adequacy review process.
early progress Adequate Letter (6/23/2006) (pdf) (103.25 KB, May 31, 2006)
FR Notice (pdf) (145 KB, Published June 8, 2006)
Budgets found adequate through the adequacy review process.
carbon monoxide limited maintenance plan Adequate (8/1/2016)
FR Final rule (pdf) (218 KB, published July 1, 2016)
Budgets found adequate through SIP adequacy process.
maintenance plan Adequate Letter (5/23/2002) (pdf) (283.29 KB, April 22, 2002)
FR Notice (pdf) (127 KB, published May 8, 2002)
Budgets found adequate through the adequacy review process.
attainment demonstration Adequate Letter (5/23/2000) (pdf) (54.99 KB, May 2000)
FR Notice (pdf) (127 KB, published May 8, 2002)
Budgets found adequate through the adequacy review process.
New Jersey portion of the Philadelphia - Wilmington, PA-NJ-DE pm2.5 maintenance plan Adequate (6/7/2024)

FR Notice (pdf) (241 KB, May 23, 2024)

Budgets found adequate through the adequacy review process
maintenance plan Adequate FR Notice (pdf) (222 KB, published June 24, 2013) Budgets found adequate through the adequacy review process.
attainment demonstration Adequate Letter (6/29/2010) (pdf) (115.83 KB, May 4, 2010)
FR Notice (pdf) (144 KB, published August 2, 2010)
Budgets found adequate through the adequacy review process.
8-hour ozone reasonable further progress and attainment demonstration Adequate Letter (8/1/2008) (pdf) (218.69 KB, June 9, 2008)
FR Notice (pdf) (147 KB, published July 17, 2008)
Budgets found adequate through the adequacy review process.
New York
Area Pollutant SIP
Submission
Finding (effective date) Additional Information/ Comments
New York State portion of the NY-NJ-CT region 2008 8-hour ozone attainment plan

New York Adequacy Letter (pdf) (556.18 KB, April 19, 2018)
FR Notice (pdf) (214 KB, June 8, 2018)

Budgets found adequate through the adequacy review process
reasonable further progress Adequate Letter (pdf) (144.88 KB, June 25, 2022)
FR Notice (pdf) (202 KB, published November 23, 2022)
Budgets found adequate through the adequacy review process
pm2.5 maintenance plan Adequate FR Notice (pdf) (191 KB, published September 3, 2013) Budgets found adequate through the adequacy review process
reasonable further progress and attainment demonstration Adequate FR Notice (pdf)(152 KB, published November 16, 2010) Budgets found adequate through the adequacy review process.
1997 8-hour ozone reasonable further progress and attainment demonstration Adequate Letter (8/17/2010) (pdf) (1.14 MB, June 21, 2010)
FR Notice (pdf) (144 KB, published August 2, 2010)
Budgets found adequate through the adequacy review process.
carbon monoxide limited maintenance plan Adequate FR Notice (pdf) (216 KB, published May 30, 2014) Budgets found adequate through SIP approval process.
maintenance plan Adequate Letter (4/10/2000) (pdf) (57.04 KB, March 17, 2000)
FR Notice (pdf) (210 KB, published March 27, 2000)
Budgets found adequate through the adequacy review process.
Onondaga County, NY carbon monoxide maintenance plan Adequate FR Notice (pdf) (155 KB, published September 8, 2005) Budgets found adequate through SIP approval process.
Poughkeepsie, NY 8-hour ozone reasonable further progress and attainment demonstration Adequate Letter (8/17/2010) (pdf) (1.14 MB, June 21, 2010)
FR Notice (pdf) (144 KB, published August 2, 2010)
Budgets found adequate through the adequacy review process.
Puerto Rico
Area Pollutant SIP
Submission
Finding
(effective date)
Additional Information/ Comments
Municipality of Guaynabo pm10 limited maintenance plan Adequate Letter (8/25/2009) (pdf) (51.94 KB, June 23, 2009)
FR Notice (pdf) (138 KB, published August 10, 2009)
Budgets found adequate through the adequacy review process.

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Last updated on January 23, 2025
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