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  2. Air Quality Implementation Plans

EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Connecticut SIP

Connecticut Nonregulatory
Name of non regulatory SIP provision Applicable geographic or nonattainment area State submittal date/effective date EPA approved date3 Explanations
Miscellaneous non-regulatory addition to the plan and addition of amendment to Chapter 360 of General Statutes which provides authority for delegation of enforcement authority submitted on March 21, 1972, by the Connecticut Department of Environmental Protection   3/21/1972 5/31/1972, 37 FR 10842  
Miscellaneous non-regulatory additions to the plan submitted on April 6, 1972, by the Connecticut Department of Environmental Protection.   4/6/1972 5/31/1972, 37 FR 10842  
Attainment dates submitted on August 10, 1972 by CT DEP   8/10/1972 5/14/1973, 38 FR 12696  
Non-regulatory additions to the plan which were submitted on December 19, 1980, and amended on March 11, 1981, by CT DEP   12/19/1980 and 3/11/1981 8/28/1981, 46 FR 43418 Amending the sulfur control strategy to include an “Air Pollution Control/Energy Trade Option” except for submittal attachments #1 and #2, “Sulfur Dioxide” and “Transport of Sulfur Dioxide” and the section of attachment #3 “Control of Sulfur Oxides” entitled “Sample Analysis of a Btu Bubble Application”
Non-regulatory addition to the plan of the state New Source Ambient Impact Analysis Guideline   12/19/1980; 3/11/1981; and 7/15/1981 8/28/1981, 46 FR 43418 For use in state program actions, submitted on December 19, 1980 and amended on March 11, 1981 and July 15, 1981
Source Test Guidelines and Procedures; and Workshop Manual for Gasoline Tank Truck Certification     7/18/1985, 50 FR 29229 Includes Appendix B of Control of Volatile Organic Compound Leaks from Gasoline Tank Trucks and Vapor Collection Systems EPA-450/2-78-051
Letter dated May 16, 1985 certifying the meaning of an “Acceptable Method”   5/16/1985 12/13/1985, 50 FR 50906 Interpreted to mean that any monitoring method used to collect ambient air pollution data used for attainment status evaluation or designation must be approved by EPA
Technical Support Document prepared by CT DEP     4/11/1988, 53 FR 11847 Provides complete description of the reasonably available control technology determination imposed on Raymark Industries
Letter from CT DEP dated July 3, 1986   7/3/1986 5/19/1988, 53 FR 17934 Commits CT DEP to use only EPA approved test methods when requiring the testing of sources emitting volatile organic compound emissions
Letter from CT DEP dated May 29, 1987   5/29/1987 5/19/1988, 53 FR 17934 Certifys that there are no polypropylene or high-density polyethylene manufacturers in the State of Connecticut
Technical Support Document prepared by CT DEP     7/12/1988, 53 FR 26256 Provides complete description of the reasonably available control technology determination imposed on Spongex International, Ltd.
Technical Support Document prepared by CT DEP     8/1/1988, 53 FR 28884 Provides complete description of the reasonably available control technology determination imposed on American Cyanamid Co.
Technical Support Document prepared by CT DEP     3/24/1989, 54 FR 12193 Provides complete description of the reasonably available control technology determination imposed on New Departure Hyatt
Technical Support Document prepared by CT DEP     4/10/1989, 54 FR 14226 Provides complete description of the reasonably available control technology determination imposed on Stanadyne, Inc.
Technical Support Document prepared by CT DEP     5/30/1989, 54 FR 22891 Provides complete description of the reasonably available control technology determination imposed on Pratt and Whitney’s East Hartford facility
Technical Support Document prepared by CT DEP     11/28/1989, 54 FR 48885 Provides complete description of the reasonably available control technology determination imposed on Frismar, Inc.
Technical Support Document prepared by CT DEP     3/12/1990, 55 FR 9121 Provides complete description of the reasonably available control technology determination imposed on Hamilton Standard
Memorandum dated September 14, 1990 approving modeling analysis for Connecticut Light and Power   9/14/1990 3/24/1992, 57 FR 10139  
Letter dated April 3, 1991 confirming that the revised configuration approved by State Order No. 7017 will not lead to violations   4/3/1991 3/24/1992, 57 FR 10139  
Modeling Study dated January 26, 1990 for Connecticut Light and Power   1/28/1990 3/24/1992, 57 FR 10139  
Memorandum dated August 17, 1989 approving modeling analysis for Stone Container Co.   8/17/1989 11/20/1992, 57 FR 54703  
Modeling Study dated August 9, 1989 for Stone Container Co.   8/9/1989 11/20/1992, 57 FR 54703  
State Order No 1073A, effective July 9, 1990   7/9/1990 11/20/1992, 57 FR 54703  
Memorandum dated January 3, 1990 approving modeling analysis for Hartford Hospital   1/3/1990 11/20/1992, 57 FR 54703  
Modeling Study dated December 28, 1989 for Hartford Hospital   12/28/1989 11/20/1992, 57 FR 54703  
SIP narrative entitled “New Source Review”     2/23/1993, 56 FR 10957  
Letter from CT DEP regarding implementation of BACT     2/23/1993, 56 FR 10957  
Narrative of SIP Revision: Stage II Vapor Recovery   January 1993 12/17/1993, 58 FR 65930  
Air Quality Modeling Analysis to Demonstrate SO2 CAAQS/NAAQS Compliance   June 1991 1/18/1994, 59 FR 2530 Relates to Hamilton Standard Division of United Technologies Corporation
Letter from CT DEP dated April 6, 1994 clarifying the January 12, 1993 submittal   4/6/1994 5/19/1994, 59 FR 26123  
An attainment plan and demonstration which outlines Connecticut’s control strategy and for attainment and maintenance of the PM10 NAAQS     9/11/1995, 60 FR 47076 Implements and meets RACM and RACT requirements, and provides contingency measures for New Haven
Letter dated June 18, 1996 from CT DEP and SIP narratives for various Source Orders   6/18/1996 10/6/1997, 62 FR 52016 SIP narratives for Order Nos. 8092, 8095, 8093, 8096, 8106, 8107, 8105, 8100, and others
Letter from CT DEP dated June 27, 1994 clarifying language in sec 22a-174-32(A)   6/27/1994 3/10/1999, 64 FR 12019  
Letters from CT DEP dated June 24, 1998 and November 13, 1998 submitting CT SIP revisions   6/24/1998 and 11/13/1998 3/10/1999, 64 FR 12005  
Nonregulatory portions of submittals and Policy materials concerning the use of emission credits from New Jersey at Connecticut sources   7/11/1997, 9/12/1997, and 12/8/1997 9/28/1999, 64 FR 52233  
Letter from CT DEP dated October 7, 1999 submitting a revision to the CT SIP   10/7/1999 12/1/1999, 64 FR 67188  
Letter from CT DEP dated February 7, 1996 submitting a revision to the CT SIP for the Low Emission Vehicle Program   2/7/1996 3/9/2000, 65 FR 12476  
Letter from CT DEP dated February 18, 1999 submitting a revision to the CT SIP   2/7/1996 3/9/2000, 65 FR 12476 Request for the National Low Emission Vehicle program to be a compliance option under the State’s Low Emission Vehicle Program
Letters from CT DEP dated April 15, 1997, April 20, 1998, and September 2, 1999 submitting revisions to the CT SIP   4/15/1997, 4/20/1998, and 9/2/199 10/19/2000, 65 FR 62620  
Letter from CT DEP dated November 19, 1999 submitting a revision to the CT SIP   11/19/1999 10/27/2000, 65 FR 64357  
Narrative portion of the SIP revision for Enhanced Motor Vehicle Inspection and Maintenance Program   10/7/1999 10/27/2000, 65 FR 64357  
Letter from CT DEP dated September 30, 1999 submitting a revision to the CT SIP   9/30/1999 12/27/2000, 65 FR 81743 Contains RCSA section 22a-174-22b and associated administrative materials
SIP Narrative dated September 30, 1999 for CT SIP revision   9/30/1999 12/27/2000, 65 FR 81743 SIP revision to implement the NOx SIP Call
Letter from CT DEP dated May 19, 2000 submitting a revision to the CT SIP   5/19/2000 3/23/2001, 66 FR 16135  
SIP narrative materials   December 1999 3/23/2001, 66 FR 16135 Submitted with Source Order Nos. 8176, 8177, 8178, 8179, and 8187
Letter from CT DEP dated October 15, 2001 submitting a revision to the CT SIP   10/15/2001 12/6/2001, 66 FR 63311  
Letter from CT DEP dated June 14, 2002 submitting a revision to the CT SIP   6/14/2002 2/27/2003, 68 FR 9009  
Pressure Vacuum Vent Cap Test Procedures     8/31/2006, 71 FR 51765  
Table 1 showing the emission reductions resulting form the measures Connecticut adopted to meet the shortfall identified in the Connecticut on-hour ozone attainment demonstration     8/31/2006, 71 FR 51765  
Connecticut Regional Haze SIP Revision   Nov. 2009 7/10/14, 79 FR 39322  
Letter from CT DEEP dated March 12, 2012   3/12/2012 7/10/14, 79 FR 39322 Clarification of Connecticut’s 2008 PM2.5 Attainment Demonstration
Letter from CT DEEP dated February 24, 2012 regarding Regional Haze SIP   2/24/2012 7/10/14, 79 FR 39322  
Letter from CT DEEP dated November 23, 2012   11/23/2012 7/10/14, 79 FR 39322 Withdrawal of Request for Parallel Processing
Letter from CT DEEP dated January 14, 2013, entitled “Information to Support EPA’s Approval of Connecticut’s Requirements for Opacity.”   1/14/2013 7/16/14, 79 FR 41436  
Letter from CT DEEP dated July 8, 2013   7/8/2013 7/16/14, 79 FR 41436 Withdrawing from CT DEEP’s December 1, 2004 SIP revision the phrase “and malfunction” from Subsection (j)(1) of RCSA Section 22a-174-18.
Letter from CT DEEP dated March 27, 2014   3/27/2014 7/16/14, 79 FR 41436 Withdrawing from CT DEEP’s December 1, 2004 SIP revision section 22a-174-18(j)(2).
Adequacy Determination of the Connecticut SIP with Regard to CAA Section 110(a)(1) and (2) for the 8-Hr Ozone NAAQS Program Infrastructure   12/28/2007 6/3/16, 81 FR 35639  
Adequacy Determination of the Connecticut SIP with Regard to CAA Section 110(a) Infrastructure Elements: 1997 PM2.5 NAAQS   9/4/2008 6/3/16, 81 FR 35639  
Adequacy Determination of the Connecticut SIP with Regard to CAA Section 110(a)(1) and (2) for 2006 PM2.5 NAAQS   9/18/2009 6/3/16, 81 FR 35639  
CT DEEP document dated January 7, 2011   1/7/2011 6/3/16, 81 FR 35639 Request to withdraw a portion of Connecticut’s PM2.5 Infrastructure Adequacy Determination
Addendum to the CAA section 110(a)(2)(D)(i)(I) Portion of Connecticut’s Infrastructure Submittal for the 2006 PM2.5 NAAQS   8/19/2011 6/3/16, 81 FR 35639  
Adequacy Determination of the CT SIP with Regard to CAA section 110(a)(1) and (2) for the 2008 Lead NAAQS   10/13/2011 6/3/16, 81 FR 35639  
Update to Connecticut PM2.5 Infrastructure submittal   6/15/2012 6/3/16, 81 FR 35639  
CT SIP with Regard to the Infrastructure Requirements of CAA section 110(a)(1) and (2) for the 2008 Ozone NAAQS   12/28/2012 6/3/16, 81 FR 35639  
CT SIP with Regard to the Infrastructure Requirements of CAA section 110(a)(1) and (2) for the 2010 Nitrogen Dioxide NAAQS   1/2/2013 6/3/16, 81 FR 35639  
Connecticut SIP for CAA Section 110(a) Infrastructure Elements: 2010 Sulfur Dioxide NAAQS   5/30/2013 6/3/16, 81 FR 35639  
Supplement to Infrastructure SIP Revisions   8/5/2015 6/3/16, 81 FR 35639  
Letter from CT DEEP dated September 14, 2015, submitting a revision to the SIP   9/14/2015 12/15/17, 82 FR 59519  
Addendum to the CAA § 110(a)(2)(D)(i)(I) Portion of Connecticut’s Infrastructure  Submittal for the 2006 PM2.5 NAAQS   8/19/2011 8/1/18, 83 FR 37437  
Infrastructure SIP for the 2012 PM2.5 NAAQS   12/14/2015 8/1/18, 83 FR 37437  
Letter from CT DEEP dated October 18, 2017, submitting a revision to the SIP   10/18/2017 8/1/18, 83 FR 37437 SIP revision concerning Consumer Products, Architectural and Industrial Maintenance Coatings and Prevention of Significant Deterioration Permit Programs
Regional Haze 5-Yr Progress Report   7/8/2015 11/26/19, 84 FR 65007  
Good Neighbor SIP for the 2008 Ozone NAAQS   6/11/2015 2/14/20, 85 FR 8406  
Infrastructure SIP submittal for 2015 Ozone NAAQS   9/7/2018 8/19/20, 85 FR 50953  
Good Neighbor SIP for the 2015 Ozone NAAQS   12/6/2018 12/20/21, 86 FR 71830  
Letter from CT DEEP dated October 26, 2020, submitting a revision to the SIP   10/26/2020 3/11/22, 87 FR 13936 Letter from CT DEEP dated January 12, 2022 withdrawing regulation section 22a-174-33b(d)(6) from the SIP revision

3 To determine the EPA effective date for a specific provision listed in this table, consult the Federal Register notice cited in this column for the particular provision.

[37 FR 10842, May 31, 1972; as amended at 37 FR 23085, Oct. 28, 1972; 38 FR 12696, May 14, 1973; 45 FR 84769, Dec. 23, 1980; 46 FR 43418, Aug. 28, 1981; 46 FR 56612, Nov. 18, 1981; 47 FR 41958, Sep. 23, 1982; 48 FR 5723, Feb. 8, 1983; 48 FR 20051, May 4, 1983; 48 FR 29689, Jun. 28, 1983; 48 FR 36579, Aug. 12, 1983; 48 FR 56218, Dec. 20, 1983; 50 FR 29229, Jul. 18, 1985; 50 FR 50906, Dec. 13, 1985; 51 FR 41963, Nov. 20, 1986; 52 FR 5104, Feb. 19, 1987; 52 FR 47925, Dec. 17, 1987; 53 FR 11847, Apr. 11, 1988; 53 FR 17934, May 19, 1988; 53 FR 26256, Jul. 12, 1988; 53 FR 28884, Aug. 1, 1988; 54 FR 12193, Mar. 24, 1989; 54 FR 14226, Apr. 10, 1989; 54 FR 22891, May 30, 1989; 54 FR 29893, Jul. 14, 1989; 54 FR 48885, Nov. 28, 1989; 54 FR 49284, Mar. 12, 1990; 57 FR 10139, Mar. 24, 1992; 57 FR 54703, Nov. 20, 1992; 56 FR 10957, Feb. 23, 1993; 58 FR 65930, Dec. 17, 1993; 59 FR 2530, Jan. 18, 1994; 59 FR 26123, May 19, 1994; 60 FR 47076, Sept. 11, 1995; 62 FR 52016, Oct. 6, 1997; 63 FR 20315, Apr. 24, 1998; 64 FR 12005, Mar. 10, 1999; 64 FR 12019, Mar. 10, 1999; 64 FR 44411, Aug. 16, 1999; 64 FR 52233, Sept. 28, 1999; 64 FR 67188, Dec. 1, 1999; 65 FR 12476, Mar. 9, 2000; 65 FR 62620, Oct. 19, 2000; 65 FR 64357, Oct. 27, 2000; 65 FR 81743, Dec. 27, 2000; 66 FR 16135, Mar. 23, 2001; 66 FR 63311, Dec. 6, 2001; 68 FR 9009, Feb. 27, 2003; 70 FR 61384, Oct. 24, 2005; 71 FR 51765, Aug. 31, 2006; 73 FR 4105, Jan. 24, 2008; 73 FR 74019, Dec. 5, 2008; 77 FR 50595, Aug. 22, 2012; 78 FR 38587, Jun. 27, 2013; 79 FR 32873, Jun. 9, 2014; 79 FR 39322, Jul. 10, 2014; 79 FR 41436, Jul. 16, 2014; 80 FR 13768, Mar. 17, 2015; 80 FR 36242, Jun. 24, 2015; 80 FR 43960, Jul. 24, 2015; 80 FR 45887, Aug. 3, 2015; 80 FR 67642, Nov. 3, 2015; 81 FR 33134, May 25, 2016; 81 FR 35639, Jun. 3, 2016; 82 FR 20262, May 1, 2017; 82 FR 35454, Jul. 31, 2017 82 FR 59519, Dec. 15, 2017;  83 FR 37437, Aug. 1, 2018; 83 FR 58188, Nov. 19, 2018; 83 FR 62466, Dec. 4, 2018;  84 FR 4338, Feb. 15, 2019;  84 FR 65007, Nov. 26, 2019; 85 FR 8406, Feb. 14, 2020; 85 FR 50953, Aug. 19, 2020; 85 FR 68472, Oct. 29, 2020; 86 FR 37053, Jul. 14, 2021; 86 FR 71830, Dec. 20, 2021; 87 FR 13936, Mar 11, 2022; 87 FR 38284, Jun. 28, 2022]

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