§ 52.377 Control strategy: Ozone.  


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  • (a) Revisions to the State Implementation Plan submitted by the Connecticut Department of Environmental Protection on December 30, 1997 and January 7, 1998. These revisions are for the purpose of satisfying the rate of progress requirement of section 182(c)(2) through 1999, and the contingency measure requirements of sections 172(c)(9) and 182(c)(9) of the Clean Air Act, for the Greater Hartford serious ozone nonattainment area, and the Connecticut portion of the NY-NJ-CT severe ozone nonattainment area.

    (b) Approval—Revisions to the State Implementation Plan submitted by the Connecticut Department of Environmental Protection on September 16, 1998, February 8, 2000 and June 17, 2003. The revisions are for the purpose of satisfying the attainment demonstration requirements of section 182(c)(2)(A) of the Clean Air Act for the Greater Connecticut serious ozone nonattainment area. The revision establishes an attainment date of November 15, 2007 for the Greater Connecticut serious ozone nonattainment area. Connecticut commits to conduct a mid-course review to assess modeling and monitoring progress achieved toward the goal of attainment by 2007, and submit the results to EPA by December 31, 2004. The June 17, 2003 revision establishes MOBILE6-based motor vehicle emissions budgets for 2007 of 51.9 tons per day of volatile organic compounds (VOC) and 98.4 tons per day of nitrogen oxides (NOX) to be used in transportation conformity in the Greater Connecticut serious ozone nonattainment area.

    (c) Approval—Revisions to the State Implementation Plan submitted by the Connecticut Department of Environmental Protection on October 15, 2001 and June 17, 2003. These revisions are for the purpose of satisfying the rate of progress requirement of section 182 (c)(2)(B) through 2007, and the contingency measure requirements of section 182 (c)(9) of the Clean Air Act, for the Connecticut portion of the NY-NJ-CT severe ozone nonattainment area. The October 15, 2001 revision establishes motor vehicle emissions budgets for 2002 of 15.20 tons per day of VOC and 38.39 tons per day of NOX to be used in transportation conformity in the Connecticut portion of the NY-NJ-CT severe ozone nonattainment area. The June 17, 2003 revision establishes motor vehicle emissions budgets for 2005 of 19.5 tons per day of VOC and 36.8 tons per day of NOX to be used in transportation conformity in the Connecticut portion of the NY-NJ-CT severe ozone nonattainment area.

    (d) Approval—Revisions to the State Implementation Plan submitted by the Connecticut Department of Environmental Protection on September 16, 1998, February 8, 2000, October 15, 2001 and June 17, 2003. The revisions are for the purpose of satisfying the attainment demonstration requirements of section 182(c)(2)(A) of the Clean Air Act for the Connecticut portion of the NY-NJ-CT severe ozone nonattainment area. The June 17, 2003 revision establishes MOBILE6-based motor vehicle emissions budgets for 2007 of 16.4 tons per day of VOC and 29.7 tons per day of NOX to be used in transportation conformity in the Connecticut portion of the NY-NJ-CT severe ozone nonattainment area. Connecticut commits to adopt and submit by October 31, 2001, additional necessary regional control measures to offset the emission reduction shortfall in order to attain the one-hour ozone standard by November 2007. Connecticut commits to adopt and submit by October 31, 2001, additional necessary intrastate control measures to offset the emission reduction shortfall in order to attain the one-hour ozone standard by November 2007. Connecticut commits to adopt and submit additional restrictions on VOC emissions from mobile equipment and repair operations; and requirements to reduce VOC emissions from certain consumer products. Connecticut also commits to conduct a mid-course review to assess modeling and monitoring progress achieved toward the goal of attainment by 2007, and submit the results to EPA by December 31, 2004.

    (e) Commitment Fulfillment—Connecticut has fulfilled the commitment in section 52.377(d), to adopt additional NOX and VOC control measures to meet the emission reduction shortfall in its 1-hour severe ozone nonattainment area.

    (f) Determination of Attainment. Effective September 30, 2010, EPA is determining that the Greater Connecticut 8-hour ozone nonattainment area has attained the 1997 8-hour ozone standard. Under the provisions of EPA's ozone implementation rule (see 40 CFR 51.918), this determination suspends the reasonable further progress and attainment demonstration requirements of section 182(b)(1) and related requirements of section 172(c)(9) of the Clean Air Act for as long as the area does not monitor any violations of the 1997 8-hour ozone standard. If a violation of the 1997 ozone NAAQS is monitored in the Greater Connecticut 8-hour ozone nonattainment area, this determination shall no longer apply. In addition, this area met its June 15, 2010 attainment deadline for the 1997 ozone standard.

    (g) Approval—Submittal from the Connecticut Department of Environmental Protection, dated December 28, 2007, to address the Clean Air Act (CAA) infrastructure requirements for the 1997 ozone National Ambient Air Quality Standard (NAAQS). This submittal satisfies the requirements of CAA sections 110(a)(2)(A), (B), (C), (E), (F), (G), (H), (J), (K), (L), and (M).

    (h) Conditional Approval—Submittal from the Connecticut Department of Environmental Protection, dated December 28, 2007, to address the Clean Air Act (CAA) infrastructure requirements for the 1997 ozone National Ambient Air Quality Standard (NAAQS). On May 2, 2011, the State of Connecticut supplemented this submittal with a commitment to address the requirements of section 110(a)(2)(D)(ii) of the CAA that requires notification of affected states for Prevention of Significant Deterioration purposes. EPA is conditionally approving Connecticut's submittal with respect to CAA section 110(a)(2)(D)(ii).

    (i) Determination of Attainment for the One-Hour Ozone Standard. Effective April 16, 2012, EPA is determining that the Greater Connecticut one-hour ozone nonattainment area did not meet its applicable one-hour ozone attainment date of November 15, 2007, based on 2005-2007 complete, quality-assured ozone monitoring data. Separate from and independent of this determination, EPA is determining that the Greater Connecticut one-hour ozone nonattainment area met the one-hour ozone standard, based on 2008-2010 complete, quality-assured ozone monitoring data at all monitoring sites in the area. EPA's review of the ozone data shows that the area began attaining the one-hour ozone standard during the 2006-2008 monitoring period, and has continued attaining the one-hour standard through the 2007-2009 and 2008-2010 monitoring periods.

    (j) Determination of Attainment for the One-Hour Ozone Standard. Effective July 18, 2012, EPA is determining that the New York-Northern New Jersey-Long Island (NY-NJ-CT) one-hour ozone nonattainment area did not meet its applicable one-hour ozone attainment date of November 15, 2007, based on 2005-2007 complete, quality-assured and certified ozone monitoring data. Separate from and independent of this determination, EPA is determining that the New York-Northern New Jersey-Long Island (NY-NJ-CT) one-hour ozone nonattainment area has attained the one-hour ozone standard, based on 2008-2010 complete, quality-assured and certified ozone monitoring data at all monitoring sites in the area and data showing the area continued to attain through 2011.

    (k) Determination of Attainment for the Eight-Hour Ozone Standard. Effective July 18, 2012 EPA is determining, that complete, quality-assured and certified ozone monitoring data for 2007-2009 show the NY-NJ-CT eight-hour ozone nonattainment area attained the 1997 eight-hour ozone standard by its June 15, 2010 attainment deadline. Therefore, EPA has met the requirement pursuant to CAA section 181(b)(2)(A) to determine, based on the area's air quality data as of the attainment date, whether the area attained the standard. EPA also determined that the NY-NJ-CT nonattainment area will not be reclassified for failure to attain by its applicable attainment date under section 181(b)(2)(A). EPA is also determining that the NY-NJ-CT eight-hour ozone nonattainment area currently continues to attain the eight-hour ozone NAAQS, based on complete, quality-assured and certified data for 2008-2010 and data through 2011. This determination, in accordance with 40 CFR 51.918, suspends the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 1997 annual eight-hour ozone NAAQS.

    (l) Approval—Revisions to the Connecticut State Implementation Plan (SIP) submitted on December 8, 2006. The SIP revision satisfies the requirement to implement reasonably available control technology (RACT) for sources of volatile organic compounds (VOC) and oxides of nitrogen (NOX) for purposes of the 1997 8-hour ozone standard. Specifically, the following sections of the Regulations of Connecticut State Agencies are approved for this purpose: For VOC RACT, 22a-174-20, Control of Organic Compound Emissions, 22a-174-30, Dispensing of Gasoline/Stage I and Stage II Vapor Recovery, and 22a-174-32, RACT for Organic Compounds; for NOX RACT, 22a-174-22, Control of Nitrogen Oxide Emissions, and 22a-174-38, Municipal Waste Combustors.

    (m) Approval. (1) Revisions to the State Implementation Plan submitted by the Connecticut Department of Environmental Protection on August 18, 2000, December 12, 2002, July 1, 2004, January 13, 2006. The revisions consist of 148 single source emission trading orders necessary for satisfying Reasonable Available Control Technology requirements for nitrogen oxides during specific time periods. All trading orders expired before January 1, 2013, with the exception of Trading Agreement and Order 8242, in paragraph (m)(1)(xlii) of this section, issued to PSEG Power Connecticut, LLC in Bridgeport, Connecticut on February 12, 2003. Trading Agreement and Order 8242 was issued to reflect a change in ownership at the source.

    (i) Trading Agreement and Order No. 8116 Modification No. 1 issued to the Connecticut Resources Recovery Authority in Hartford on April 29, 1999.

    (ii) Trading Agreement and Order No. 1494A issued to the Connecticut Resources Recovery Authority in Hartford on May 4, 2001.

    (iii) Trading Agreement and Order No. 8116A issued to The Connecticut Resources Recovery Authority in Hartford on March 18, 2003.

    (iv) Trading Agreement and Order No. 8116B issued to The Connecticut Resources Recovery Authority in Hartford on April 11, 2005.

    (v) Order No. 1494 Modification No. 2 issued to The Connecticut Light and Power Company in Branford, Greenwich, Hartford, Montville, Middletown, Milford, Preston, Norwalk, and Torrington on May 6, 1998.

    (vi) Order No. 1494 Modification No. 3 Issued to The Connecticut Light and Power Company In Branford, Greenwich, Hartford, Montville, Middletown, Milford, Preston, Norwalk, and Torrington on February 3, 1999.

    (vii) Consent Order No. 1494 Modification No. 4 issued to Connecticut Light and Power Company in Branford, Greenwich, Hartford, Montville, Middletown, Milford, Preston, Norwalk, and Torrington on April 29, 1999.

    (viii) Order No. 1494 Modification No. 5 issued to The Connecticut Light and Power Company in Branford, Greenwich, Hartford, Montville, Middletown, Milford, Preston, Norwalk, and Torrington on November 29, 1999.

    (ix) Order No. 1494 Modification No. 6 issued to The Connecticut Light and Power Company in Branford, Greenwich, Hartford, Montville, Middletown, Milford, Preston, Norwalk, and Torrington on April 30, 2000.

    (x) Trading Agreement and Order No. 8154 Modification No. 1 issued to Combustion Engineering, Inc. in Windsor on June 3, 1998.

    (xi) Trading Agreement and Order No. 8154 Modification No. 2 issued to Combustion Engineering, Inc. in Windsor on April 29, 1999.

    (xii) Trading Agreement and Order No. 8154 Modification No. 3 issued to Combustion Engineering, Inc. in Windsor on April 21, 2002.

    (xiii) Trading Agreement and Order No. 8154A issued to Combustion Engineering, Inc. in Windsor on April 26, 2003.

    (xiv) Consent Order No. 1626 issued to Borough of Naugatuck in Naugatuck on February 14, 2001.

    (xv) Consent Order No. 1626 Modification No. 1 issued to Borough of Naugatuck in Naugatuck on July 31, 2002.

    (xvi) Trading Agreement and Order No. 8247 issued to Borough of Naugatuck in Naugatuck on April 26, 2003.

    (xvii) Trading Agreement and Order No. 8159 issued to The Connecticut Light and Power Company in Milford on April 29, 1999.

    (xviii) Trading Agreement and Order No. 8181 issued to Devon Power, LLC in Milford on January 12, 2000.

    (xix) Trading Agreement and Order No. 8181A issued to Devon Power, LLC in Milford on April 22, 2003.

    (xx) Trading Agreement and Order No. 8181A Modification No. 1 issued to Devon Power, LLC in Milford on March 21, 2005.

    (xxi) Trading Agreement and Order No. 8219 issued to Devon Power, LLC in Milford on March 22, 2002.

    (xxii) Trading Agreement and Order No. 8219A issued to Devon Power, LLC in Milford on April 30, 2003.

    (xxiii) Trading Agreement and Order No. 8219A Modification No. 1 issued to Devon Power, LLC in Milford on September 16, 2004.

    (xxiv) Trading Agreement and Order No. 8251 issued to Devon Power, LLC in Milford on September 15, 2003.

    (xxv) Trading and Agreement Order No. 8251 Modification No. 1 issued to Devon Power, LLC in Milford on March 21, 2005.

    (xxvi) Trading Agreement and Order No. 8109 issued to Hamilton Sundstrand Corporation in Windsor Locks on April 29, 2003.

    (xxvii) Trading Agreement and Order No. 8093A issued to Pfizer, Inc. in Groton on April 29, 1999.

    (xxviii) Trading Agreement and Order No. 8093B issued to Pfizer, Inc. in Groton on December 5, 2001.

    (xxix) Trading Agreement and Order No. 8093C issued to Pfizer, Inc. in Groton on April 29, 2003.

    (xxx) Trading Agreement and Order No. 8093C Modification No. 1 issued to Pfizer, Inc. in Groton on April 11, 2005.

    (xxxi) Trading Agreement and Order No. 8136 issued to Pfizer, Inc. in Groton on April 29, 1999.

    (xxxii) Trading Agreement and Order No. 8136A issued to Pfizer, Inc. in Groton on April 14, 2003.

    (xxxiii) Trading Agreement and Order No. 8119 Modification No. 1 issued to City of Norwich Department of Public Utilities in Norwich on April 29, 1999.

    (xxxiv) Trading Agreement and Order No. 8119A issued to City of Norwich Department of Public Utilities in Norwich on April 29, 2003.

    (xxxv) Trading Agreement and Order No. 8119A Modification No. 1 issued to City of Norwich Department Of Public Utilities in Norwich on March 21, 2005.

    (xxxvi) Trading Agreement and Order No. 8092 Modification No. 1 issued to The United Illuminating Company in Bridgeport on April 30, 1999.

    (xxxvii) Trading Agreement and Order No. 8103 Modification No. 1 issued to The United Illuminating Company in Bridgeport on February 18, 1997.

    (xxxviii) Trading Agreement and Order No. 8103 Modification No. 2 issued to The United Illuminating Company in Bridgeport on April 30, 1999.

    (xxxix) Trading Agreement and Order No. 8177 Modification 1 issued to Wisvest-Connecticut, LLC in Bridgeport on March 12, 2001.

    (xl) Trading Agreement and Order No. 8241 issued to PSEG Power Connecticut, LLC in Bridgeport on February 13, 2003.

    (xli) Trading Agreement and Order No. 8241 Modification No. 1 issued to PSEG Power Connecticut, LLC in Bridgeport on September 15, 2004.

    (xlii) Trading Agreement and Order No. 8242 issued to PSEG Power Connecticut, LLC in Bridgeport on February 13, 2003.

    (xliii) Trading Agreement and Order No. 8243 issued to PSEG Power Connecticut, LLC in New Haven on February 13, 2003.

    (xliv) Trading Agreement and Order No. 8244 issued to PSEG Power Connecticut, LLC in Bridgeport on February 13, 2003.

    (xlv) Trading Agreement and Order No. 8244 Modification No. 1 issued to PSEG Power Connecticut, LLC in Bridgeport on March 21, 2005.

    (xlvi) Trading Agreement and Order No. 8253 issued to PSEG Power Connecticut, LLC in Bridgeport on July 23, 2003.

    (xlvii) Trading Agreement and Order No. 8253 Modification No. 1 issued to PSEG Power Connecticut, LLC in Bridgeport on September 15, 2004.

    (xlviii) Trading Agreement and Order No. 8115 Modification No. 2 issued to University of Connecticut in Storrs on April 29, 1999.

    (xlix) Trading Agreement and Order No. 8115B issued to University of Connecticut in Storrs on March 21, 2003.

    (l) Trading Agreement and Order No. 8107 Modification No. 1 issued to Northeast Nuclear Energy Company in Waterford on April 29, 1999.

    (li) Trading Agreement and Order No. 8107 Modification No. 2 issued to Northeast Nuclear Energy Company in Waterford on March 29, 2001.

    (lii) Trading Agreement and Order No. 8152 issued to Northeast Nuclear Energy Company in Waterford on July 9, 1998.

    (liii) Trading Agreement and Order No. 8152 Modification No. 1 issued to Northeast Nuclear Energy Company in Waterford on December 30, 1998.

    (liv) Trading Agreement and Order No. 8152A issued to Northeast Nuclear Energy Company in Waterford on June 28, 1999.

    (lv) Trading Agreement and Order No. 8221 issued to Dominion Nuclear Connecticut, Inc. in Waterford on March 29, 2001.

    (lvi) Trading Agreement and Order No. 8221A issued to Dominion Nuclear Connecticut, Inc. in Waterford on April 28, 2003.

    (lvii) Trading Agreement and Order No. 8222 issued to Dominion Nuclear Connecticut, Inc. in Waterford on March 29, 2001.

    (lviii) Trading Agreement and Order No. 8222A issued to Dominion Nuclear Connecticut, Inc. in Waterford on April 28, 2003.

    (lix) Trading Agreement and Order No. 8180 issued to Connecticut Jet Power LLC in Branford, Greenwich, and Torrington on January 12, 2000.

    (lx) Trading Agreement and Order No. 8180 Modification No. 1 issued to Connecticut Jet Power, LLC in Branford, Greenwich, and Torrington on May 7, 2002.

    (lxi) Trading Agreement and Order No. 8180A issued to Connecticut Jet Power, LLC in Branford, Greenwich, and Torrington on April 22, 2003.

    (lxii) Trading Agreement and Order No. 8180A Modification No. 1 issued to Connecticut Jet Power, LLC in Branford, Greenwich, and Torrington on March 21, 2005.

    (lxiii) Trading Agreement and Order No. 8114 Modification No. 1 issued to Cytec Industries, Inc. in Wallingford on April 29, 1999.

    (lxiv) Trading Agreement and Order No. 8114 Modification No. 2 issued to Cytec Industries, Inc. in Wallingford on May 26, 2001.

    (lxv) Trading Agreement and Order No. 8114A issued to Cytec Industries, Inc. in Wallingford on April 24, 2003.

    (lxvi) Trading Agreement and Order No. 8117 issued to Sprague Paperboard, Inc. in Versailles on December 10, 2002.

    (lxvii) Trading Agreement and Order No. 8117A issued to Sprague Paperboard, Inc. in Versailles on September 29, 2003.

    (lxviii) Trading Agreement and Order No. 8117B issued to Sprague Paperboard, Inc. in Versailles on April 25, 2005.

    (lxix) Trading Agreement and Order No. 8157 issued to The Connecticut Light and Power Company in Middletown on April 29, 1999.

    (lxx) Trading Agreement and Order No. 8160 issued to The Connecticut Light and Power Company in Middletown on April 29, 1999.

    (lxxi) Trading Agreement and Order No. 8162 issued to The Connecticut Light and Power Company in Middletown on April 29, 1999.

    (lxxii) Trading Agreement and Order No. 8182 issued to Middletown Power, LLC in Middletown on January 12, 2000.

    (lxxiii) Trading Agreement and Order No. 8182A issued to Middletown Power, LLC in Middletown on April 22, 2003.

    (lxxiv) Trading Agreement and Order No. 8182A Modification No. 1 issued to Middletown Power, LLC in Middletown on March 21, 2005.

    (lxxv) Trading Agreement and Order No. 8213 issued to Middletown Power, LLC in Middletown on March 22, 2002.

    (lxxvi) Trading Agreement and Order No. 8213A issued to Middletown Power, LLC in Middletown on April 30, 2003.

    (lxxvii) Trading Agreement and Order No. 8213A Modification No. 1 issued to Middletown Power, LLC in Middletown on September 16, 2004.

    (lxxviii) Trading Agreement and Order No. 8214 issued to Middletown Power, LLC in Middletown on March 22, 2002.

    (lxxix) Trading Agreement and Order No. 8214A issued to Middletown Power, LLC in Middletown on April 30, 2003.

    (lxxx) Trading Agreement and Order No. 8214A Modification No. 1 issued to Middletown Power, LLC in Middletown on September 16, 2004.

    (lxxxi) Trading Agreement and Order No. 8215 issued to Middletown Power, LLC in Middletown on March 22, 2002.

    (lxxxii) Trading Agreement and Order No. 8215A issued to Middletown Power, LLC in Middletown on April 30, 2003.

    (lxxxiii) Trading Agreement and Order No. 8215A Modification No. 1 issued to Middletown Power, LLC in Middletown on September 16, 2004.

    (lxxxiv) Consent Order No. 8227 issued to Middletown Power, LLC in Middletown on March 11, 2002.

    (lxxxv) Trading Agreement and Order No. 8227A issued to Middletown Power, LLC in Middletown on April 26, 2003.

    (lxxxvi) Trading Agreement and Order No. 8227A Modification 1 issued to Middletown Power, LLC in Middletown on July 18, 2003.

    (lxxxvii) Trading Agreement and Order No. 8156 issued to The Connecticut Light and Power Company in Montville on April 29, 1999.

    (lxxxviii) Trading Agreement and Order No. 8161 issued to The Connecticut Light and Power Company in Montville on April 29, 1999.

    (lxxxix) Trading Agreement and Order No. 8183 issued to Montville Power, LLC in Montville on January 12, 2000.

    (xc) Trading Agreement and Order No. 8183A issued to Montville Power, LLC in Montville on April 22, 2003.

    (xci) Trading Agreement and Order No. 8183A Modification No. 1 issued to Montville Power, LLC in Montville on March 21, 2005.

    (xcii) Trading Agreement and Order No. 8216 issued to Montville Power, LLC in Montville on March 22, 2002.

    (xciii) Trading Agreement and Order No. 8216A issued to Montville Power, LLC in Montville on April 30, 2003.

    (xciv) Trading Agreement and Order No. 8216A Modification No. 1 issued to Montville Power, LLC in Montville on September 16, 2004.

    (xcv) Trading Agreement and Order No. 8217 issued to Montville Power, LLC in Montville on March 22, 2002.

    (xcvi) Trading Agreement and Order No. 8217A issued to Montville Power, LLC in Montville on April 30, 2003.

    (xcvii) Trading Agreement and Order No. 8217A Modification No. 1 issued to Montville Power, LLC in Montville on September 16, 2004.

    (xcviii) Trading Agreement and Order No. 8158 issued to The Connecticut Light and Power Company in Norwalk on April 29, 1999.

    (xcix) Trading Agreement and Order No. 8184 issued to Norwalk Power, LLC in Norwalk on January 12, 2000.

    (c) Trading Agreement and Order No. 8184A issued to Norwalk Power, LLC in Norwalk on April 22, 2003.

    (ci) Trading Agreement and Order No. 8184A Modification No. 1 issued to Norwalk Power, LLC in Norwalk on March 21, 2005.

    (cii) Trading Agreement and Order No. 8218 issued to Norwalk Power, LLC in Norwalk on March 22, 2002.

    (ciii) Trading Agreement and Order No. 8218A issued to Norwalk Power, LLC in Norwalk on April 30, 2003.

    (civ) Trading Agreement and Order No. 8218A Modification No. 1 issued to Norwalk Power, LLC in Norwalk on September 16, 2004.

    (cv) Trading Agreement and Order No. 8134 issued to United Technologies Corporation in East Hartford on January 24, 2000.

    (cvi) Trading Agreement and Order No. 8134A issued to United Technologies Corporation in East Hartford on April 15, 2003.

    (cvii) Trading Agreement and Order No. 8248 issued to United Technologies Corporation in East Hartford on August 19, 2003.

    (cviii) Trading Agreement and Order No. 8175 issued to Northeast Generation Company in Berlin on February 1, 2000.

    (cix) Trading Agreement and Order No. 8175 Modification No. 1 issued to Northeast Generation Company in Berlin on March 13, 2000.

    (cx) Trading Agreement and Order No. 8175A issued to Northeast Generation Company in Berlin on April 28, 2003.

    (cxi) Trading Agreement and Order No. 8175A Modification No. 1 issued to Northeast Generation Company in Berlin on April 11, 2005.

    (cxii) Trading Agreement and Order No. 8102 Modification No. 1 issued to The United Illuminating Company in New Haven on April 30, 1999.

    (cxiii) Trading Agreement and Order No. 8153 issued to The United Illuminating Company in New Haven on April 30, 1999.

    (cxiv) Trading Agreement and Order No. 8176 Modification No. 1 issued to Wisvest-Connecticut, LLC in New Haven on March 12, 2001.

    (cxv) Trading Agreement and Order No. 8240 issued to PSEG Power Connecticut, LLC in New Haven on February 13, 2003.

    (cxvi) Trading Agreement and Order No. 8240 Modification No. 1 issued to PSEG Power Connecticut, LLC in New Haven on September 16, 2004.

    (cxvii) Trading Agreement and Order No. 8220 issued to Bristol-Meyers Squibb Company in Wallingford on September 23, 2001.

    (cxviii) Trading Agreement and Order No. 8220A issued to Bristol-Meyers Squibb Company in Wallingford on March 27, 2003.

    (cxix) Trading Agreement and Order No. 8220A Modification No. 1 issued to Bristol-Meyers Squibb Company in Wallingford on May 5, 2005.

    (cxx) Trading Agreement and Order No. 8124 issued to Stone Container Corporation in Uncasville on January 15, 2002.

    (cxxi) Trading Agreement and Order No. 8124A issued to Stone Container Corporation in Uncasville on March 12, 2003.

    (cxxii) Trading Agreement and Order No. 8120 issued to Sikorsky Aircraft Corporation in Stratford on April 5, 2002.

    (cxxiii) Trading Agreement and Order No. 8120A issued to Sikorsky Aircraft Corporation in Stratford on March 27, 2003.

    (cxxiv) Trading Agreement and Order No. 8137 Modification No. 1 issued to Alliedsignal, Inc. and U.S. Army Tank-Automotive and Armaments Command in Stratford on July 8, 1997.

    (cxxv) Trading Agreement and Order No. 8137 Modification No. 2 issued to U.S. Army Tank-Automotive and Armaments Command in Stratford on April 29, 1999.

    (cxxvi) Trading Agreement and Order No. 8137A issued to United States Army Stratford Army Engine Plant in Stratford on May 1, 2003.

    (cxxvii) Trading Agreement and Order No. 8188 issued to Allegheny Ludlum Corporation in Wallingford on May 28, 2002.

    (cxxviii) Trading Agreement and Order No. 8112 issued to US Navy Submarine Base New London in Groton on April 30, 1999.

    (cxxix) Trading Agreement and Order No. 8112A issued to United States Naval Submarine Base in Groton on May 7, 2003.

    (cxxx) Trading Agreement and Order No. 8112A, Modification No. 1 issued to United States Naval Submarine Base in Groton on April 25, 2005.

    (cxxxi) Trading Agreement and Order No. 8201CC issued to US Naval Submarine Base New London in Groton on July 12, 2002.

    (cxxxii) Trading Agreement and Order No. 8230 issued to Jacobs Vehicle Systems, Inc. in Bloomfield on November 21, 2002.

    (cxxxiii) Trading Agreement and Order No. 8110 Modification No. 1 issued to Yale University in New Haven on April 29, 1999.

    (cxxxiv) Trading Agreement and Order No. 8123 Modification No. 1 issued to Algonquin Gas Transmission Company in Cromwell on April 29, 1999.

    (cxxxv) Trading Agreement and Order No. 8123A issued to Algonquin Gas Transmission Company in Cromwell on April 30, 2003.

    (cxxxvi) Trading Agreement and Order No. 8250 issued to Algonquin Windsor Locks, LLC in Windsor Locks on August 27, 2003.

    (cxxxvii) Trading Agreement and Order No. 8261 issued to Algonquin Windsor Locks, LLC in Windsor Locks on April 8, 2005.

    (cxxxviii) Trading Agreement and Order No. 8249 issued to Capitol District Energy Center Cogeneration Associates in Hartford on September 29, 2003.

    (cxxxix) Trading Agreement and Order No. 8249 Modification No. 1 issued to Capitol District Energy Center Cogeneration Associates in Hartford on April 11, 2005.

    (cxl) Trading Agreement and Order No. 8094 Modification No. 1 issued to Ogden Martin Systems of Bristol, Inc. in Bristol on April 29, 1999.

    (cxli) Trading Agreement and Order No. 8095 Modification No. 1 issued to American Ref-Fuel Company of Southeastern Connecticut in Preston on April 29, 1999.

    (cxlii) Trading Agreement and Order No. 8100 Modification No. 1 issued to Bridgeport Resco Company, Limited Partnership in Bridgeport on April 29, 1999.

    (cxliii) Trading Agreement and Order No. 8101 Modification No. 1 issued to State of Connecticut Department of Mental Health and Addiction Services in Middletown on April 29, 1999.

    (cxliv) Trading Agreement and Order No. 8111 Modification No. 1 issued to Uniroyal Chemical Company, Inc. in Naugatuck on April 29, 1999.

    (cxlv) Trading Agreement and Order No. 8118 Modification No. 1 issued to South Norwalk Electric Works in South Norwalk on April 29, 1999.

    (cxlvi) Trading Agreement and Order No. 8130 Modification No. 1 issued to Department of Public Works in Newton on April 29, 1999.

    (cxlvii) Trading Agreement and Order No. 8132 Modification No. 1 issued to Bridgeport Hospital in Bridgeport on April 29, 1999.

    (cxlviii) Trading Agreement and Order No. 8141 Modification No. 1 issued to The Town of Wallingford Department of Public Utilities in Wallingford on April 29, 1999.

    (2) Revisions to the State Implementation Plan submitted by the Connecticut Department of Energy and Environmental Protection on November 15, 2011 and July 1, 2004. The revisions consist of 90 single source emission trading orders necessary for satisfying Reasonable Available Control Technology requirements for nitrogen oxides during specific time periods.

    (i) Trading Agreement and Order No. 8093C, Modification No. 2 issued to Pfizer in Groton.

    (ii) Trading Agreement and Order No. 8093C, Modification No. 3 issued to Pfizer in Groton.

    (iii) Trading Agreement and Order No. 8136A, Modification No. 1 issued to Pfizer in Groton.

    (iv) Trading Agreement and Order No. 8136A, Modification No. 2 issued to Pfizer in Groton.

    (v) Trading Agreement and Order No. 8296 issued to Pfizer in Groton.

    (vi) Trading Agreement and Order No. 8109, Modification No. 1 issued to Hamilton Sundstrand Corporation in Windsor Locks.

    (vii) Trading Agreement and Order No. 8109, Modification No. 2 issued to Hamilton Sundstrand Corporation in Windsor Locks.

    (viii) Trading Agreement and Order No. 8109, Modification No. 3 issued to Hamilton Sundstrand Corporation in Windsor Locks.

    (ix) Trading Agreement and Order No. 8291 issued to Hamilton Sundstrand Corporation in Windsor Locks.

    (x) Trading Agreement and Order No. 8291, Modification No. 1 issued to Hamilton Sundstrand Corporation in Windsor Locks.

    (xi) Trading Agreement and Order No. 8114A, Modification No. 1 issued to Cytec Industries, Inc. in Wallingford.

    (xii) Trading Agreement and Order No. 8114A, Modification No. 2 issued to Cytec Industries, Inc. in Wallingford.

    (xiii) Trading Agreement and Order No. 8115B, Modification No. 1 issued to University of Connecticut in Storrs.

    (xiv) Trading Agreement and Order No. 8115B, Modification No. 2 issued to University of Connecticut in Storrs.

    (xv) Trading Agreement and Order No. 8115B, Modification No. 3 issued to University of Connecticut in Storrs.

    (xvi) Trading Agreement and Order No. 8116B, Modification No. 1 issued to Connecticut Resources Recovery Authority in Hartford.

    (xvii) Trading Agreement and Order No. 8116B, Modification No. 2 issued to Connecticut Resources Recovery Authority in Hartford.

    (xviii) Trading Agreement and Order No. 8302 issued to Connecticut Resources Recovery Authority in Hartford.

    (xix) Trading Agreement and Order No. 8119A, Modification No. 2 issued to City of Norwich, Department of Public Utilities in Norwich.

    (xx) Trading Agreement and Order No. 8119A, Modification No. 3 issued to City of Norwich, Department of Public Utilities in Norwich.

    (xxi) Trading Agreement and Order No. 8304 issued to City of Norwich, Department of Public Utilities in Norwich.

    (xxii) Trading Agreement and Order No. 8120A, Modification No. 1 issued to Sikorsky Aircraft Corporation in Stratford.

    (xxiii) Trading Agreement and Order No. 8120A, Modification No. 2 issued to Sikorsky Aircraft Corporation in Stratford.

    (xxiv) Trading Agreement and Order No. 8293 issued to Sikorsky Aircraft Corporation in Stratford.

    (xxv) Trading Agreement and Order No. 8293, Modification No. 1 issued to Sikorsky Aircraft Corporation in Stratford.

    (xxvi) Trading Agreement and Order No. 8123A, Modification No. 1 issued to Algonquin Gas Transmission Company in Cromwell.

    (xxvii) Trading Agreement and Order No. 8123A, Modification No. 2 issued to Algonquin Gas Transmission Company in Cromwell.

    (xxviii) Trading Agreement and Order No. 8134A, Modification No. 1 issued to United Technologies Corporation in East Hartford.

    (xxix) Trading Agreement and Order No. 8134A, Modification No. 2 issued to United Technologies Corporation in East Hartford.

    (xxx) Trading Agreement and Order No. 8289 issued to United Technologies Corporation in East Hartford.

    (xxxi) Trading Agreement and Order No. 8154A, Modification No. 1 issued to Combustion Engineering, Inc. in Windsor.

    (xxxii) Trading Agreement and Order No. 8154A, Modification No. 2 issued to Combustion Engineering, Inc. in Windsor.

    (xxxiii) Trading Agreement and Order No. 8180A, Modification No. 2 issued to Connecticut Jet Power LLC in Branford, Greenwich, and Torrington.

    (xxxiv) Trading Agreement and Order No. 8180A, Modification No. 3 issued to Connecticut Jet Power LLC in Branford, Greenwich, and Torrington.

    (xxxv) Trading Agreement and Order No. 8181A, Modification No. 2 issued to Devon Power LLC in Milford.

    (xxxvi) Trading Agreement and Order No. 8181A, Modification No. 3 issued to Devon Power LLC in Milford.

    (xxxvii) Trading Agreement and Order No. 8219A, Modification No. 2 issued to Devon Power LLC in Milford.

    (xxxviii) Trading Agreement and Order No. 8251A, Modification No. 2 issued to Devon Power LLC in Milford.

    (xxxix) Trading Agreement and Order No. 8251A, Modification No. 3 issued to Devon Power LLC in Milford.

    (xl) Trading Agreement and Order No. 8182A, Modification No. 2 issued to Middleton Power LLC in Middleton.

    (xli) Trading Agreement and Order No. 8182A, Modification No. 3 issued to Middleton Power LLC in Middleton.

    (xlii) Trading Agreement and Order No. 8213A, Modification No. 2 issued to Middleton Power LLC in Middleton.

    (xliii) Trading Agreement and Order No. 8213A, Modification No. 3 issued to Middleton Power LLC in Middleton.

    (xliv) Trading Agreement and Order No. 8214A, Modification No. 2 issued to Middleton Power LLC in Middleton.

    (xlv) Trading Agreement and Order No. 8214A, Modification No. 3 issued to Middleton Power LLC in Middleton.

    (xlvi) Trading Agreement and Order No. 8215A, Modification No. 2 issued to Middleton Power LLC in Middleton.

    (xlvii) Trading Agreement and Order No. 8215A, Modification No. 3 issued to Middleton Power LLC in Middleton.

    (xlviii) Trading Agreement and Order No. 8183A, Modification No. 2 issued to Montville Power LLC in Montville.

    (xlix) Trading Agreement and Order No. 8183A, Modification No. 3 issued to Montville Power LLC in Montville.

    (l) Trading Agreement and Order No. 8216A, Modification No. 2 issued to Montville Power LLC in Montville.

    (li) Trading Agreement and Order No. 8216A, Modification No. 3 issued to Montville Power LLC in Montville.

    (lii) Trading Agreement and Order No. 8217A, Modification No. 2 issued to Montville Power LLC in Montville.

    (liii) Trading Agreement and Order No. 8217A, Modification No. 3 issued to Montville Power LLC in Montville.

    (liv) Trading Agreement and Order No. 8184A, Modification No. 2 issued to Norwalk Power LLC in Norwalk.

    (lv) Trading Agreement and Order No. 8184A, Modification No. 3 issued to Norwalk Power LLC in Norwalk.

    (lvi) Trading Agreement and Order No. 8218A, Modification No. 2 issued to Norwalk Power LLC in Norwalk.

    (lvii) Trading Agreement and Order No. 8218A, Modification No. 3 issued to Norwalk Power LLC in Norwalk.

    (lviii) Trading Agreement and Order No. 8221A, Modification No. 1 issued to Dominion Nuclear Connecticut, Inc. in Waterford.

    (lix) Trading Agreement and Order No. 8221A, Modification No. 2 issued to Dominion Nuclear Connecticut, Inc. in Waterford.

    (lx) Trading Agreement and Order No. 8222A, Modification No. 1 issued to Dominion Nuclear Connecticut, Inc. in Waterford.

    (lxi) Trading Agreement and Order No. 8222A, Modification No. 2 issued to Dominion Nuclear Connecticut, Inc. in Waterford.

    (lxii) Trading Agreement and Order No. 8288 issued to Dominion Nuclear Connecticut, Inc. in Waterford.

    (lxiii) Trading Agreement and Order No. 8288, Modification No. 1 issued to Dominion Nuclear Connecticut, Inc. in Waterford.

    (lxiv) Trading Agreement and Order No. 8240, Modification No. 2 issued to PSEG Power Connecticut LLC in New Haven.

    (lxv) Trading Agreement and Order No. 8240, Modification No. 3 issued to PSEG Power Connecticut LLC in New Haven.

    (lxvi) Trading Agreement and Order No. 8243, Modification No. 1 issued to PSEG Power Connecticut LLC in New Haven.

    (lxvii) Trading Agreement and Order No. 8243, Modification No. 2 issued to PSEG Power Connecticut LLC in New Haven.

    (lxviii) Trading Agreement and Order No. 8241, Modification No. 2 issued to PSEG Power Connecticut LLC in Bridgeport.

    (lxix) Trading Agreement and Order No. 8241, Modification No. 3 issued to PSEG Power Connecticut LLC in Bridgeport.

    (lxx) Trading Agreement and Order No. 8244, Modification No. 2 issued to PSEG Power Connecticut LLC in Bridgeport.

    (lxxi) Trading Agreement and Order No. 8244, Modification No. 3 issued to PSEG Power Connecticut LLC in Bridgeport.

    (lxxii) Trading Agreement and Order No. 8253, Modification No. 2 issued to PSEG Power Connecticut LLC in Bridgeport.

    (lxxiii) Trading Agreement and Order No. 8253, Modification No. 3 issued to PSEG Power Connecticut LLC in Bridgeport.

    (lxxiv) Trading Agreement and Order No. 8301 issued to PSEG Power LLC, PSEG Fossil LLC, and PSEG Power Connecticut LLC in Bridgeport.

    (lxxv) Trading Agreement and Order No. 8305 issued to PSEG Power LLC, PSEG Fossil LLC, and PSEG Power Connecticut LLC in New Haven and Bridgeport.

    (lxxvi) Trading Agreement and Order No. 8249, Modification No. 2 issued to Capitol District Energy Center Cogeneration Associates in Hartford.

    (lxxvii) Trading Agreement and Order No. 8249, Modification No. 3 issued to Capitol District Energy Center Cogeneration Associates in Hartford.

    (lxxviii) Trading Agreement and Order No. 8298 issued to Capitol District Energy Center Cogeneration Associates in Hartford.

    (lxxix) Trading Agreement and Order No. 8261, Modification No. 1 issued to Algonquin Power Windsor Locks LLC in Windsor Locks.

    (lxxx) Trading Agreement and Order No. 8261, Modification No. 2 issued to Algonquin Power Windsor Locks LLC in Windsor Locks.

    (lxxxi) Trading Agreement and Order No. 8299 issued to Algonquin Power Windsor Locks LLC in Windsor Locks.

    (lxxxii) Trading Agreement and Order No. 8269 issued to Cascades Boxboard Group Connecticut LLC in Versailles.

    (lxxxiii) Trading Agreement and Order No. 8269, Modification No. 1 issued to Cascades Boxboard Group Connecticut LLC in Versailles.

    (lxxxiv) Trading Agreement and Order No. 8297 issued to Cascades Boxboard Group Connecticut LLC in Versailles.

    (lxxxv) Trading Agreement and Order No. 8272 issued to NE Hydro Generating Company in Preston.

    (lxxxvi) Trading Agreement and Order No. 8279 issued to First Light Hydro Generating Company in Preston.

    (lxxxvii) Trading Agreement and Order No. 8303 issued to First Light Hydro Generating Company in Preston.

    (lxxxviii) Trading Agreement and Order No. 8300 issued to NRG Energy, Inc., Middletown Power LLC, NRG Middletown Operations Inc., Montville Power LLC, NRG Montville Operations Inc., Norwalk Power LLC, NRG Norwalk Harbor Operations Inc., and Connecticut Jet Power LLC in Branford, Greenwich, Torrington, Middletown, Norwalk, Milford, and Montville.

    (lxxxix) Trading Agreement and Order No. 8306 issued to NRG Energy, Inc., Middletown Power LLC, NRG Middletown Operations Inc., Montville Power LLC, NRG Montville Operations Inc., Norwalk Power LLC, and NRG Norwalk Harbor Operations Inc. in Middletown, Montville, and Norwalk.

    (xc) Trading Agreement and Order No. 8110A issued to Yale University in New Haven.

    (n) Approval—An attainment demonstration for the 1997 8-hour ozone standard to satisfy requirements of section 182(c)(2)(A) of the Clean Air Act, and a Reasonably Available Control Measure (RACM) analysis to satisfy requirements of section 172(c)(1) of the Clean Air Act for the Greater Connecticut ozone nonattainment area, submitted by the Connecticut Department of Energy and Environmental Protection on February 1, 2008.

    (o) Revisions to the State Implementation Plan submitted by the Connecticut Department of Environmental Protection on February 1, 2008. These revisions are for the purpose of satisfying the rate of progress requirement of section 182(b)(1) from 2002 through 2008, and the contingency measure requirement of sections 172(c)(9) and of the Clean Air Act, for the Greater Connecticut moderate 8-hour ozone nonattainment area, and the Connecticut portion of the New York-New Jersey-Long Island moderate 8-hour ozone nonattainment area. These revisions establish motor vehicle emission budgets for 2008 of 29.7 tons per day of volatile organic compounds (VOCs) and 60.5 tons per day of nitrogen oxides (NOx) to be used in transportation conformity in the Connecticut portion of the New York-New Jersey-Long Island moderate 8-hour ozone nonattainment area. These revisions also establish motor vehicle emission budgets for 2008 for the Greater Connecticut moderate 8-hour ozone nonattainment area of 28.5 tons per day for VOCs, and 54.3 tons per day for NOx.

    (p) Rescission of clean data determination for the 1997 eight-hour ozone standard. Effective June 3, 2016, the EPA is determining that complete quality-assured and certified ozone monitoring data for 2012-2014 show the NY-NJ-CT 1997 eight-hour ozone nonattainment area did not meet 1997 eight-hour ozone standard. Therefore, the EPA is rescinding the clean data determination for the 1997 eight-hour ozone standard only. The prior determination (see paragraph k of this section) is in accordance with 40 CFR 51.918. The prior determination suspended the requirements for this area to submit an attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard for as long as this area continues to meet the 1997 annual eight-hour ozone NAAQS. This rescission of the clean data determination will result in a SIP Call for a new ozone attainment demonstration, associated reasonably available control measures, a reasonable further progress plan, contingency measures, and other planning SIPs related to attainment of the standard, for this area only. If the revised plan is approved by the EPA as demonstrating reasonable further progress and attainment for the more stringent 2008 NAAQS by the Moderate area attainment date, and is approved by the EPA as containing adequate contingency measures for the 2008 NAAQS, then the plan would be deemed to have also satisfied requirements of the SIP Call associated with violations for the 1997 NAAQS.

    (q) Approval—Revisions to the Connecticut State Implementation Plan (SIP) submitted on July 18, 2014. The SIP revision satisfies the requirement to implement reasonably available control technology (RACT) for sources of volatile organic compounds (VOC) and oxides of nitrogen (NOX) for purposes of the 2008 ozone standard. Specifically, the following sections of the Regulations of Connecticut State Agencies are approved for this purpose: For VOC RACT, 22a-174-20, Control of Organic Compound Emissions, 22a-174-30, Dispensing of Gasoline/Stage I and Stage II Vapor Recovery, and 22a-174-32, RACT for Organic Compounds; for NOX RACT, 22a-174-22, Control of nitrogen oxide emissions, 22a-174-22e, Control of nitrogen oxide emissions from fuel burning equipment at major sources, 22a-174-22f, High daily NOX emitting units at non-major sources of nitrogen oxides, and 22a-174-38, Municipal Waste Combustors.

    (r) Approval—Submittal from the Connecticut Department of Energy and Environmental Protection dated March 9, 2017, to address the nonattainment new source review requirements for the 2008 8-hour ozone NAAQS for the Greater Connecticut and the New York-N. New Jersey-Long Island, NY-NJ-CT ozone nonattainment areas, as it meets the requirements for both the State's marginal and moderate classifications.

    (s) Approval—An attainment demonstration for the 1997 8-hour ozone standard to satisfy requirements of section 182(c)(2)(A) of the Clean Air Act, and a Reasonably Available Control Measure (RACM) analysis to satisfy requirements of section 172(c)(1) of the Clean Air Act for the New York-Northern New Jersey-Long Island (NY-NJ-CT) ozone nonattainment area, submitted by the Connecticut Department of Energy and Environmental Protection. This rulemaking addresses the EPA's obligations to act on Connecticut's February 1, 2008 SIP revision for the 1997 ozone NAAQS, as well as the attainment demonstration and RACM analysis portion of the August 8, 2017 SIP submittal for the 1997 ozone NAAQS for the Connecticut portion of the NY-NJ-CT area.

    (t) Approval. Revisions to the State Implementation Plan submitted by the Connecticut Department of Energy and Environmental Protection on January 17, 2017, September 5, 2017, and August 8, 2017, to meet, in part, requirements of the 2008 ozone NAAQS. These revisions satisfy the rate of progress requirement of section 182(b) through 2017, the contingency measure requirements of section 182(c)(9), the emission statement requirements of section 182(a)(3)(B), and the reasonably available control measure requirement of section 172(c)(1) for the Connecticut portion of the New York-Northern New Jersey-Long Island, NY-NJ-CT area, and the Greater Connecticut moderate ozone nonattainment areas. The January 17, 2017 revision establishes motor vehicle emissions budgets for 2017 of 15.9 tons per day of VOC and 22.2 tons per day of NOX to be used in transportation conformity in the Greater Connecticut moderate ozone nonattainment area. The August 8, 2017 revision establishes motor vehicle emissions budgets for 2017 of 17.6 tons per day of VOC and 24.6 tons per day of NOX to be used in transportation conformity in the Connecticut portion of the New York-Northern New Jersey-Long Island, NY-NJ-CT moderate ozone nonattainment area.

    [65 FR 62626, Oct. 19, 2000, as amended at 66 FR 663, Jan. 3, 2001; 66 FR 63938, Dec. 11, 2001; 69 FR 5288, Feb. 4, 2004; 71 FR 51765, Aug. 31, 2006; 75 FR 53220, Aug. 31, 2010; 76 FR 40256, July 8, 2011; 77 FR 15608, Mar. 16, 2012; 77 FR 36169, June 18, 2012; 78 FR 38591, June 27, 2013; 78 FR 54964, Sept. 9, 2013; 78 FR 78274, Dec. 26, 2013; 79 FR 20099, Apr. 11, 2014; 81 FR 26708, May 4, 2016; 81 FR 62379, Sept. 9, 2016; 82 FR 35456, July 31, 2017; 83 FR 6970, Feb. 16, 2018; 83 FR 39892, Aug. 13, 2018; 83 FR 49298, Oct. 1, 2018]

[65 FR 62626, Oct. 19, 2000, as amended at 66 FR 663, Jan. 3, 2001; 66 FR 63938, Dec. 11, 2001; 69 FR 5288, Feb. 4, 2004; 71 FR 51765, Aug. 31, 2006; 75 FR 53220, Aug. 31, 2010; 76 FR 40256, July 8, 2011; 77 FR 15608, Mar. 16, 2012; 77 FR 36169, June 18, 2012; 78 FR 38591, June 27, 2013; 78 FR 54964, Sept. 9, 2013; 78 FR 78274, Dec. 26, 2013; 79 FR 20099, Apr. 11, 2014; 81 FR 26708, May 4, 2016; 81 FR 62379, Sept. 9, 2016; 82 FR 35456, July 31, 2017; 83 FR 6970, Feb. 16, 2018; 83 FR 39892, Aug. 13, 2018; 83 FR 49298, Oct. 1, 2018