Connecticut Administrative Code

Regulations of Connecticut State AgenciesSec. 22a-174-13. Variances(a) Any person who owns or operates any source of air pollutants as defined in section 22a-174-1 may apply to the Commissioner for a variance or a partial variance from one or more of the provisions of these regul…

Regulations of Connecticut State AgenciesSec. 22a-174-14. Compliance with regulation no defense to nuisance claim(a) Nothing in any portion of these regulations shall in any manner be construed as authorizing or legalizing the creation or maintenance of a nuisance, and compliance…

Regulations of Connecticut State AgenciesSec. 22a-174-15. Severability(a) If any provision of these regulations or the application thereof to any person or circumstances is held to be invalid, such invalidity shall not affect other provisions or application of any other part of t…

Regulations of Connecticut State AgenciesSec. 22a-174-16. Responsibility to comply with applicable regulations(a) Exemption from requirements for registration or permits or possession of a permit to construct or operate or of a variance or approval of a compliance schedule shall …

Regulations of Connecticut State AgenciesSec. 22a-174-17. Control of open burning (Repealed) Repealed September 10, 2012.(Effective August 1, 1983; Repealed September 10, 2012) AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-18. Control of particulate matter and visible emissions(a) Definitions. For the purposes of this section, the following definitions shall apply: (1) \"Calendar quarter\" means a consecutive three (3) month period (non-overlapp…

Regulations of Connecticut State AgenciesSec. 22a-174-19. Control of sulfur compound emissions(a) Reserved.(b) Sulfuric acid plants.No person shall cause or permit sulfur compound, expressed as sulfur dioxide, emissions which exceed 6.5 pounds per ton (3.25 kg/ metric ton) of one…

Regulations of Connecticut State AgenciesSec. 22a-174-19a. Control of sulfur dioxide emissions from power plants and other large stationary sources of air pollution(a) Definitions. For purposes of this section: (1) \"Affected state\" means \"affected states\" as defined in sectio…

Regulations of Connecticut State AgenciesSec. 22a-174-19b. Fuel sulfur content limitations for stationary sources(a) Definitions. For the purposes of this section: (1) “Aviation fuel” means a refined petroleum distillate defined in ASTM D1655, Standard Specification for Aviation …

Regulations of Connecticut State AgenciesSec. 22a-174-2. (Repealed) Repealed March 15, 2002. AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-20. Control of organic compound emissions(a) Storage of volatile organic compounds and restrictions for the Reid vapor pressure of gasoline.(1) Definitions. For the purposes of this subsection and subsections (b) and (c) of th…

Regulations of Connecticut State AgenciesSec. 22a-174-200. Deactivation of air pollution control systems or mechanisms from motor vehicles(a) \"Air pollution control system or mechanism\" means a system or mechanism installed on a motor vehicle for the purpose of reducing emissio…

Regulations of Connecticut State AgenciesSec. 22a-174-21. Control of carbon monoxide emissions (Repealed) Repealed June 11, 2014.(Effective August 1, 1983; Repealed June 11, 2014)Notes: For 2014 repeal, see Sec. 54 of Public Act 14-187. (June 11, 2014) AUTHORITY: Conn. Gen. Stat.…

Regulations of Connecticut State AgenciesSec. 22a-174-22. Control of nitrogen oxides emissions (Repealed) Repealed June 1, 2018.(Effective January 23, 1997; Amended December 28, 2000; Amended April 1, 2004; Amended January 1, 2005; Amended April 4, 2006; Amended June 3, 2013; Ame…

Regulations of Connecticut State AgenciesSec. 22a-174-22a. (Repealed) Repealed September 4, 2007. AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-22b. (Repealed) Repealed May 1, 2010.(Adopted effective September 29, 1999; Amended April 4, 2006; Repealed May 1, 2010)Notes: History updated October 20, 2014 to clarify section repealed date. Repeal of May 1, 2010 made by fi…

Regulations of Connecticut State AgenciesSec. 22a-174-22c. The clean air interstate rule (CAIR) nitrogen oxides (NO) ozone season trading programx(a) Definitions. For the purposes of this section, the following definitions apply, provided that any term related to the administrati…

Regulations of Connecticut State AgenciesSec. 22a-174-22e. Control of nitrogen oxides emissions from fuel-burning equipment at major stationary sources of nitrogen oxides.(a) Definitions. For the purposes of this section, the following definitions apply. Any term not defined shal…

Regulations of Connecticut State AgenciesSec. 22a-174-22f. High daily NOx emitting units at non-major sources of NOx.(a) Definitions. For the purposes of this section, the following definitions apply. Any term not defined shall be as defined in section 22a-174-1 of the Regulation…

Regulations of Connecticut State AgenciesSec. 22a-174-23. Control of odors(a) (1) No person shall cause or permit the emission of any substance or combination of substances which creates or contributes to an odor, in the ambient air, that constitutes a nuisance. (2) An odor const…

Regulations of Connecticut State AgenciesSec. 22a-174-24. Connecticut primary and secondary ambient air quality standards(a) Reserved.(b) The concentration of pollutants in the ambient air, as measured by a reference or equivalent method designated in 40 CFR 50 or 40 CFR 53, shal…

Regulations of Connecticut State AgenciesSec. 22a-174-25. (Repealed) Repealed February 1, 2010. AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-26. Fees(a) Definitions. For the purposes of this section: (1) “Annual fee” means the fee required by section 22a-174a of the Connecticut General Statutes. (2) “Applicant” means the person filing an application.(3) “Applicatio…

Regulations of Connecticut State AgenciesSec. 22a-174-27. Emission standards and on-board diagnostic II test requirements for periodic motor vehicle inspection and maintenance(a) Applicability.This section shall apply to any owner or operator of a 1979 and later model year motor …

Regulations of Connecticut State AgenciesSec. 22a-174-28. Oxygenated gasoline(a) Definitions. (1) \"ASTM\" means the American Society for Testing and Materials.(2) \"Carrier\" means any person who transports, stores or causes the transportation or storage of gasoline at any point…

Regulations of Connecticut State AgenciesSec. 22a-174-29. Hazardous air pollutants(a) \"Hazard Limiting Values\" and \"Ambient Air Quality Standards\" (1) \"Hazard Limiting Values\" (HLV)’s for \"Hazardous Air Pollutants\" for 8-hour and 30-minute averaging times are listed in Ta…

Regulations of Connecticut State AgenciesSec. 22a-174-2a. Procedural requirements for new source review and Title V permitting(a) Signatory Responsibilities(1) Any document, such as a permit application, report or certification, submitted to the commissioner shall be signed by an…

Regulations of Connecticut State AgenciesSec. 22a-174-3. (Repealed) Repealed March 15, 2002. AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-30. Dispensing of gasoline/stage I and stage II vapor recovery (Repealed) Repealed July 8, 2015.(Effective November 24, 1992; Amended May 10, 2004; Repealed July 8, 2015) AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-30a. Stage I Vapor Recovery.(a) Definitions. For the purposes of this section, the definitions provided in this subsection shall apply. Terms used in this section that are not defined in this subsection are as defined in secti…

Regulations of Connecticut State AgenciesSec. 22a-174-31. Control of carbon dioxides emissions(a) Definitions and Abbreviations. Except as otherwise provided, for the purposes of this section and section 22a-174-31a of the Regulations of Connecticut State Agencies: (1) “Account n…

Regulations of Connecticut State AgenciesSec. 22a-174-31a. Greenhouse gas emission offset projects(a) Definitions and abbreviations. Except as otherwise provided, for the purposes of this section and section 22a-174-31 of the Regulations of Connecticut State Agencies: (1) \"Anaer…

Regulations of Connecticut State AgenciesSec. 22a-174-32. Reasonably available control technology (RACT) for volatile organic compounds(a) Definitions. For the purposes of this section: (1) \"Aerospace manufacturing and rework operations\" means the production or repair of aerosp…

Regulations of Connecticut State AgenciesSec. 22a-174-33. Title V sources(a) Definitions. For the purposes of this section: (1) “Alternative operating scenario” means a condition, including equipment configurations, process parameters, or materials used in a process under which t…

Regulations of Connecticut State AgenciesSec. 22a-174-33a. Limit on Premises-Wide Actual Emissions Below 50% of Title V Source Thresholds(a) Definitions. For purposes of this section, the following definitions shall apply. Any term not defined shall be as defined in section 22a-1…

Regulations of Connecticut State AgenciesSec. 22a-174-33b. Limit on Premises-Wide Actual Emissions Below 80% of Title V Source Thresholds(a) Definitions. For purposes of this section, the following definitions shall apply. Any term not defined shall be as defined in section 22a-1…

Regulations of Connecticut State AgenciesSec. 22a-174-34—22a-174-35. Reserved AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-36. Low emission vehicles(a) Definitions.For the purposes of this section: \"Air contaminant emission control system\" means the equipment designed for installation on a motor vehicle or motor vehicle engine for the purpose of…

Regulations of Connecticut State AgenciesSec. 22a-174-36a. Heavy-duty diesel engines (Repealed) Repealed June 11, 2014.(Adopted effective March 4, 2003; Repealed June 11, 2014)Notes: For 2014 repeal, see Sec. 54 of Public Act 14-187. (June 11, 2014) AUTHORITY: Conn. Gen. Stat. § …

Regulations of Connecticut State AgenciesSec. 22a-174-36b. Low emission vehicles II program(a) Definitions and abbreviations. Provided that any term related to the administration of the Low Emission Vehicles II program not defined in this subsection shall be as defined or describ…

Regulations of Connecticut State AgenciesSec. 22a-174-36c. Low Emission Vehicle III Program.(a) Definitions and abbreviations. Provided that any term related to the administration of the Low Emission Vehicles III program not defined in this subsection shall be as defined or descr…

Regulations of Connecticut State AgenciesSec. 22a-174-37. Reserved AUTHORITY: Conn. Gen. Stat. § 22a-174 AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-38. Municipal waste combustors(a) Definitions. For purposes of this section: (1) \"Calendar quarter\" means a consecutive three-month period (nonoverlapping) beginning on January 1, April 1, July 1 or October 1. (2) \"Calendar…

Regulations of Connecticut State AgenciesSec. 22a-174-39. Reserved AUTHORITY: Conn. Gen. Stat. § 22a-174 AUTHORITY: Conn. Gen. Stat. § 22a-174

Regulations of Connecticut State AgenciesSec. 22a-174-3a. Permit to construct and operate stationary sources(a) Applicability and Exemptions.(1) Applicability. Prior to beginning actual construction of any stationary source or modification not otherwise exempted in accordance wit…

Regulations of Connecticut State AgenciesSec. 22a-174-3b. Exemptions from permitting for construction and operation of external combustion units, automotive refinishing operations, emergency engines, nonmetallic mineral processing equipment and surface coating operations(a) Defin…

Regulations of Connecticut State AgenciesSec. 22a-174-3c. Limitations on potential to emit for external combustion units, emergency engines, automotive refinishing operations, nonmetallic mineral processing equipment and surface coating operations(a) Limitations on potential to e…

Regulations of Connecticut State AgenciesSec. 22a-174-3d. Permit-by-Rule for Combined Heat-and-Power Systems.(a) Definitions. For the purposes of this section, the following definitions apply: (1) “Actual electrical output” means the gross electrical output measured at the termin…

Regulations of Connecticut State AgenciesSec. 22a-174-4. Source monitoring, record keeping and reporting (Repealed) Repealed October 28, 2022.(Effective February 1, 1989; Amended April 1, 2004; Repealed October 28, 2022) AUTHORITY: Conn. Gen. Stat. § 22a-174 AUTHORITY: Conn. Gen.…

Regulations of Connecticut State AgenciesSec. 22a-174-40. Consumer Products(a) Definitions. For purposes of this section, the definitions listed in this subsection shall apply: (1) \"Adhesive\" means any product that is applied for the purpose of bonding two surfaces together exc…