EPA Approved Regulations in the Connecticut SIP
Subpart H - Connecticut
Section **.**** Identification of plan.
(c) EPA approved regulations.
EPA Approved Connecticut Regulations
(As of March 13, 2024.)
| State Citation | Title / Subject | State Effective Date | EPA Approval Date | Explanations |
|---|---|---|---|---|
| 14-164c (pdf) | Periodic Motor Vehicle Emissions Inspection and Maintenance | 05/28/2004 | 12/05/2008 73 FR 74019 |
DMV regulation revisions for test and repair network and implementing OBD2 and other tests. [See: Electronic Docket Number EPA-R01-OAR-2008-0194 at www.regulations.gov] |
| 22a-171 (pdf) | Duties of Commissioner of Environmental Protection | 01/12/1993 | 05/19/1994 59 FR 26123 |
Associated with the Small Business Stationary Source Technical and Environmental Compliance Assistance Program. |
| 22a-174-1 (pdf) | Definitions | 11/13/2023 | 02/12/2024 89 FR 9771 (pdf) |
Modified definition of "severe non-attainment area for ozone" Note: Definitions which have been Incorporated By Reference into the Connecticut State Implementation Plan are numbered consecutively above by EPA, and do not necessarily correspond to the State's assigned definition number in the Connecticut State Regulation. It is Connecticut's practice to renumber their definitions in Section 22a-174-1 when definitions are added or deleted from the State Regulation. |
| 22a-174-2a (pdf) | Procedural Requirements for New Source Review and Title V Permitting | 11/18/2020 | 09/05/2023 88 FR 60591 (pdf) |
Revisions made to 22a–174–2a(c)(3), 22a–174–2a(d)(9), 22a–174–2a(e)(3)(C), 22a–174–2a(e)(3)(E), 22a–174–2a(e)(7), 22a–174–2a(f)(2), and 22a–174– 2a(f)(2)(G). |
| 22a-174-3a (pdf) | Permit to Construct and Operate Stationary Sources | 11/18/2020 | 09/05/2023 88 FR 60591 (pdf) |
Revisions made to 22a–174–3a(a)(2)(A)(ii) through (v), 22a–174–3a(a)(5), 22a– 174–3a(d)(3)(B) and (C), 22a–174–3a(i) Table 3a(i)–1, 22a–174–3a(i)(2), 22a– 174–3a(j)(1)(B), 22a–174–3a(j)(8)(A), 22a–174–3a(k)(3) and (4), 22a–174– 3a(k)(6)(A), 22a–174–3a(k)(7) Table 3a(k)–1, and 22a–174–3a(l)(1). |
| 22a-174-3b (pdf) | Permits for Construction and Operation of Stationary Sources | 04/04/2006 | 08/31/2006 71 FR 51761 |
Only the automotive refinishing requirements of 22a–174–3b are being approved. Connecticut did not submit the other subsections of the rule as part of its SIP revision. [See: Electronic Docket Number EPA-R01-OAR-2005-CT-0001 at www.regulations.gov] |
| 22a-174-4 (pdf) | Source Monitoring, Recordkeeping and Reporting | 04/01/2004 | 07/16/2014 79 FR 41427 (pdf) |
[See: Electronic Docket Number EPA-R01-OAR-2009-0469 at www.regulations.gov] |
| 22a-174-5 (pdf) | Methods for Sampling, Emission Testing, and Reporting | 12/19/1980 | 08/28/1981 46 FR 43418 |
|
| 04/15/2014 | 05/25/2016 81 FR 33134 (pdf) |
[See: Electronic Docket Number EPA-R01-OAR-2014-0364 at www.regulations.gov] | ||
| 19-508-6 (pdf) | Air Pollution Emergency Episode Procedures | 08/31/1979 | 12/23/1980 45 FR 84769 |
|
| 22a-174-7 (pdf) | Air Pollution Control Equipment and Monitoring Equipment Operation | 04/01/2004 | 07/16/2014 79 FR 41427 (pdf) |
[See: Electronic Docket Number EPA-R01-OAR-2009-0469 at www.regulations.gov] |
| 19-508-8 22a-174-8 (pdf) |
Compliance Plan and Schedules | 12/22/2016 | 07/31/2017 82 FR 35454 (pdf) |
Minor edit to update citation. |
| 19-508-9 (pdf) | Prohibition of Air Pollution | 08/31/1979 | 08/12/1983 48 FR 36579 |
|
| 19-508-10 (pdf) | Public Availability of Information | 04/04/1972 | 10/28/1972 37 FR 23085 |
|
| 19-508-11 (pdf) | Prohibition Against Concealment or Circumvention | 04/04/1972 | 10/28/1972 37 FR 23085 |
|
| 19-508-12 (pdf) | Violations and Enforcement | 04/04/1972 | 10/28/1972 37 FR 23085 |
|
| 19-508-13 (pdf) | Variances | 08/31/1979 | 12/23/1980 45 FR 84769 |
|
| 19-508-14 (pdf) | Compliance with Regulation No Defense to Nuisance Claim | 04/04/1972 | 05/31/1972 37 FR 10842 |
|
| 19-508-15 (pdf) | Severability | 04/04/1972 | 05/31/1972 37 FR 10842 |
|
| 19-508-16 (pdf) | Responsibility to Comply with Applicable Regulations | 04/04/1972 | 05/31/1972 37 FR 10842 |
|
| 19-508-18 (pdf) | Control of Particulate Emissions | 07/11/1981 | 09/23/1982 47 FR 41958 |
|
| 22a-174-18 (pdf) | Control of Particulate Matter and Visible Emissions | 04/01/2004 | 07/16/2014 79 FR 41427 (pdf) |
All of Section 22a–174–18 is approved, with the exception of the phrase "or malfunction" in Section 22a–174–18(j)(1) and all of Section 22a–174–18(j)(2), which CT DEEP withdrew from the SIP submittal. Because Connecticut withdrew Section 22a–174–18(j)(2) from its SIP submission, stationary sources subject to a Federal NSPS will remain subject to the opacity limits contained in "Control of Particulate Emissions" under the SIP (See 37 FR 10842). See Section 19–508–18, "Control of Particulate Emissions" posted at www.epa.gov/sips-ct/epa-approved-regulations-connecticut-sip. [See: Electronic Docket Number EPA-R01-OAR-2009-0469 at www.regulations.gov] |
| 12/22/2016 | 07/31/2017 82 FR 35454 (pdf) |
Minor edit to update citation. | ||
| 08/03/2018 | 10/29/2020 85 FR 68472 (pdf) |
Approval of revisions to subsections (c), (f), and (j). | ||
| 22a-174-19 (pdf) | Control of Sulfur Compound Emissions | 11/02/1981 | 11/18/1981 46 FR 56612 |
|
| 04/15/2014 | 05/25/2016 81 FR 33134 (pdf) |
[See: Electronic Docket Number EPA-R01-OAR-2014-0364 at www.regulations.gov] | ||
| 22a-174-19a (pdf) | Control of sulfur dioxide emissions from power plants and other large stationary sources of air pollution | 12/28/2000 | 07/10/2014 79 FR 39322 (pdf) |
Approves the sulfur dioxide emission standards and fuel sulfur limits for units subject to the CT NOX Budget program. The following sections were not submitted as part of the SIP: Sections (a)(5); (a)(8); (a)(11); (d); (e)(4); (f); (g); (h); and in (i)(2) reference to (e)(4). [See: Electronic Docket Number EPA-R01-OAR-2009-0919 at www.regulations.gov] |
| 04/15/2014 | 05/25/2016 81 FR 33134 (pdf) |
Revises sections 22a-174-19a(e) and 22a-174-19a(i) and removes outdated section 22a-174-19a(c). [See: Electronic Docket Number EPA-R01-OAR-2014-0364 at www.regulations.gov] |
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| 22a-174-19b (pdf) | Fuel Sulfur Content Limitations for Stationary Sources | 04/15/2014 | 05/25/2016 81 FR 33134 (pdf) |
A new regulation which limits the sulfur content of liquid fuels used in stationary sources. Subsection (e) was not submitted by the State. [See: Electronic Docket Number EPA-R01-OAR-2014-0364 at www.regulations.gov] |
| 22a-174-20 (pdf) | Control of Organic Compound Emissions | 11/18/2020 | 09/05/2023 88 FR 60591 (pdf) |
Revisions made to 22a–174–20(gg)(8). |
| 19-508-21 (pdf) | Control of Carbon Monoxide Emissions | 04/04/1972 | 10/28/1972 37 FR 23085 |
|
| 22a-174-22 (pdf) | Control of Nitrogen Oxides Emissions | 01/23/1997 | 10/06/1997 62 FR 52016 |
|
| 12/28/2000 | 07/10/2014 79 FR 39322 (pdf) |
Amended by adding section (e)(3), which approves the Oct–April NOx emission limits for units subject to the CT NOx Budget program. [See: Electronic Docket Number EPA-R01-OAR-2009-0919 at www.regulations.gov] |
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| 22a-174-22a (pdf) | Nitrogen Oxides (NOx) Budget Program | 03/03/1999 | 09/28/1999 64 FR 52233 |
|
| 09/04/2007 | 01/24/2008 73 FR 4105 |
Repealed as of January 24, 2008. Superseded by CAIR (22a-174-22c). [See: Electronic Docket Number EPA-R01-OAR-2007-0399 at www.regulations.gov] |
||
| 22a-174-22b (pdf) | Post-2002 Nitrogen Oxides (NOx) Budget Program | 09/29/1999 | 12/27/2000 65 FR 81743 |
|
| 09/04/2007 | 01/24/2008 73 FR 4105 |
Repealed as of May 1, 2010. Superseded by CAIR (22a-174-22c). [See: Electronic Docket Number EPA-R01-OAR-2007-0399 at www.regulations.gov] |
||
| 22a-174-22c (pdf) |
The Clean Air Interstate Rule (CAIR) Nitrogen Oxides (NOx) Ozone Season Trading Program |
12/22/2016 |
07/31/2017 |
Minor edit to update citation. |
| 22a-174-22e (pdf) | Control of nitrogen oxides emissions from fuel-burning equipment at major stationary sources of nitrogen oxides. | 10/08/2019 | 07/14/2021 86 FR 37053 (pdf) |
New regulation applicable to major sources of NOx approved into the SIP on July 31 , 2017 (82 FR 35454 (pdf) ). Subsequently, approved regulation for revisions to the definitions of "emergency" and "emergency engine"; as well as subsections (g)(4) and (g)(6): two compliance options relating to ISO-New England OP-4 removed. |
| 22a-174-22f (pdf) | High daily NOx emitting units at non-major sources of NOx. | 12/22/2016 | 07/31/2017 82 FR 35454 (pdf) |
New regulation applicable to non-major sources of NOx. |
| 19-508-24 (pdf) | Connecticut Primary and Secondary Standards | 10/08/1980 | 12/13/1985 50 FR 50906 |
|
| 22a-174-24 (pdf) | Connecticut Primary and Secondary Ambient Air Quality Standards | 04/15/2014 | 06/24/2015 80 FR 36242 (pdf) |
EPA did not approve subsections (a), (c), (g), or (j) into the Connecticut State Implementation Plan (SIP). Subsection (m) Dioxin, which Connecticut withdrew from its SIP submittal was also not approved. [See Electronic Docket Number EPA-R01-OAR-2014-0881 at www.regulations.gov] |
| 19-508-25 (pdf) | Effective Date | 04/04/1972 | 10/28/1972 37 FR 23085 |
|
| 22a-174-27 (pdf) | Emission Standards and On-Board Diagnostic II Test Requirements for Periodic Motor Vehicle Inspection and Maintenance | 08/10/2009 | 3/17/2015 80 FR 13768 (pdf) |
This SIP revision includes a change to exempt composite vehicles from tailpipe inspections. Revision to Section 22a–174–27 (b) and removal of Section 22a–174–27 (e). [See: Electronic Docket Number EPA-R01-OAR-2010-0121 atwww.regulations.gov] |
| 22a-174-28 (pdf) | Oxygenated Gasoline | 04/15/2014 | 06/24/2015 80 FR 36242 (pdf) |
Amendment of subdivision (a)(5) Control period. [See: Electronic Docket Number EPA-R01-OAR-2014-0881 at www.regulations.gov] |
| 22a-174-30a (pdf) | Stage I Vapor Recovery | 07/08/2015 | 12/15/2017 82 FR 59519 (pdf) |
Replaces the repealed section 22a-174-30. |
| 22a-174-32 (pdf) | Reasonably Available Control Technology for Volatile Organic Compounds | 07/08/2015 | 12/15/2017 82 FR 59519 (pdf) |
Revises section (b)(3). |
| Limit on Premises-wide Actual Emissions Below 50% of Title V Thresholds | 09/24/2020 | 03/11/2022 87 FR 13936 (pdf) |
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| 22a-174-33b (pdf) | Limit on Premises-wide Actual Emissions Below 80% of Title V Thresholds | 09/24/2020 | 03/11/2022 87 FR 13936 (pdf) |
Approved with the exception of section (d)(6) which Connecticut withdrew from its SIP submittal. |
| 22a-174-36 (pdf) | Low Emission Vehicles | 01/29/1999 | 08/16/1999 64 FR 44411 |
Section 22a-174-36(a) through 36(f) state effective 12/23/1994; Section 22a-174-36(g) state effective 01/29/1999. |
| 22a-174-36b (pdf) | Low Emission Vehicles II Program | 08/10/2009 | 3/17/2015 80 FR 13768 (pdf) |
Added Sections 22a–174–36b (c), (e), and (k). [See: Electronic Docket Number EPA-R01-OAR-2010-0121 at www.regulations.gov] |
| 22a-174-38 (pdf) | Municipal Waste Combustors | 08/02/2016 | 07/31/2017 82 FR 35454 (pdf) |
Portions of previously approved regulation were revised, primarily to incorporate tightened NOx emission limit for mass burn water-walled units. |
| 22a-174-40 (pdf) | Consumer Products | 10/05/2017 | 11/19/2018 83 FR 58188 (pdf) |
Minor correction published 12/04/2018 (83 FR 62466 (pdf) ), clarifying that the effective date of the final rule is December 19, 2018. |
| 22a-174-41 (pdf) | Architectural and Industrial Maintenance Products - phase 1 | 10/05/2017 | 11/19/2018 83 FR 58188 (pdf) |
Minor correction published 12/04/2018 (83 FR 62466 (pdf) (215 KB)), clarifying that the effective date of the final rule is December 19, 2018. |
| 22a-174-41a (pdf) | Architectural and Industrial Maintenance Products - phase 2 | 10/05/2017 | 11/19/2018 83 FR 58188 (pdf) |
Minor correction published 12/04/2018 (83 FR 62466 (pdf) (215 KB)), clarifying that the effective date of the final rule is December 19, 2018. |
| 22a–174–44 (pdf) | Adhesives and Sealants | 10/03/2008 | 06/09/2014 79 FR 32873 (pdf) |
[See: Electronic Docket Number EPA-R01-OAR-2010-0460 at www.regulations.gov] |
| Connecticut General Statute. Title 1, Chapter 10, Section 1-85 (pdf) | Interest in conflict with discharge of duties | 10/01/1989 | 06/03/2016 81 FR 35636 (pdf) |
Approves criteria for identifying a conflict of interest. [See: Electronic Docket Number EPA-R01-OAR-2015-0198 at www.regulations.gov] |
| Connecticut General Statute. Title 16a, Chapter 296, Section 16a-21a (pdf) | Sulfur content of home heating oil and off-road diesel fuel. Suspension of requirements for emergency. Enforcement. | 07/01/2015 | 08/01/2018 83 FR 37437 (pdf) |
Allowable sulfur content of fuels provided. Criteria for suspension of requirements and for enforcement identified. |
| Connecticut General Statute. Title 22a, Chapter 446c, Section 22a-171 (pdf) | Duties of Commissioner of Energy and Environmental Protection | 10/01/1984 | 06/03/2016 81 FR 35636 (pdf) |
Identifies obligations and activities of the Commissioner. [See: Electronic Docket Number EPA-R01-OAR-2015-0198 at www.regulations.gov] |
| Connecticut General Statute. Title 22a, Chapter 446c, Section 22a-174(f) (pdf) | Open Burning | 03/30/2000 | 09/01/2016 81 FR 60274 (pdf) |
Approves criteria for open burning and process for certifying local open-burning officials. [See: Electronic Docket Number EPA-R01-OAR-2015-0471 at www.regulations.gov] |
| Connecticut Public Act No. 13-120 (pdf) | An act concerning gasoline vapor recovery systems. | 06/18/2013 | 12/15/2017 82 FR 59519 (pdf) |
Revises section 22a-174e of the Connecticut General Statutes to require decommissioning of Stage II Vapor Recovery Systems. |