EPA-Approved South Coast Air District Regulations in the California SIP

The following documents and tables contain the EPA approved rules and regulations for the South Coast Air Quality Management District (AQMD) portion of the California State Implementation Plan (SIP). EPA's Pacific Southwest Office maintains these tables and will update them to reflect any changes in the official tables codified in the Code of Federal Regulations. To find the status of SIP submittals, visit SIP Status Reports.

• Compiled Rules and Regulations
• Tables of Rules and Regulations
  • Rules and Regulations (District-Wide Applicability)
    • Regulation I - General Provisions
    • Regulation II - Permits
    • Regulation III - Fees
    • Regulation IV - Prohibitions
    • Regulation V - Procedure Before the Hearing Board
    • Regulation VII - Emergencies
    • Regulation XI - Source Specific Standards
    • Regulation XIII - New Source Review
    • Regulation XIV - Toxics and Other Non-Criteria Pollutants
    • Regulation XVI - Mobile Source Offset Programs
    • Regulation XVII - Prevention of Significant Deterioration (PSD)
    • Regulation XIX - Federal Conformity Regulations
    • Regulation XX – Regional Clean Air Incentives Market (RECLAIM)
    • Regulation XXIII - Facility Based Mobile Source Measures
    • Regulation XXIV – In-Use Mobile Source Emission Reduction Programs
    • Regulation XXV - Intercredit Trading
  • Rules and Regulations
    • Los Angeles County Portion of the District
    • Orange County Portion of the District
    • Riverside County Portion of the District
    • San Bernardino County Portion of the District

Compiled Rules and Regulations

• EPA Approved and Compiled Rules and Regulations: SCAQMD Regulations I, II, III, IV, V and VII (pdf) (13.53 MB, September 2022)
  EPA approved and compiled rules and regulations of the South Coast Air Quality Management District (AQMD) portion of the California State Implementation Plan (SIP). Regulations I, II, III, IV, V and VII.
• EPA Approved and Compiled Rules and Regulations: South Coast AQMD Regulation XI (pdf) (24.41 MB, October 2024)
  EPA approved and compiled rules and regulations of the South Coast Air Quality Management District (SCAQMD) portion of the California State Implementation Plan (SIP). Regulation XI.
• EPA Approved and Compiled Rules and Regulations: SCAQMD Regulations XIII, XIV, XVI, XVII and XIX (pdf) (9.38 MB, September 2022)
  EPA approved and compiled rules and regulations of the South Coast Air Quality Management District (AQMD) portion of the California State Implementation Plan (SIP). Regulations XIII, XIV, XVI, XVII and XIX.
• EPA Approved and Compiled Rules and Regulations: SCAQMD Regulations XX, XXIII, XXIV, XXV (pdf) (12.16 MB, October 2024)
  EPA compiled rules and regulations of the South Coast Air Quality Management District (AQMD) portion of the California State Implementation Plan (SIP). Regulations XX, XXIII, XXIV, and XXV.
• EPA Approved and Compiled Rules and Regulations: Los Angeles County Portion of the South Coast AQMD (pdf) (344.42 KB, September 2022)
  EPA approved and compiled rules and regulations of the Los Angeles County portion of the South Coast Air Quality Management District's (SCAQMD) Air District Regulations in the California State Implementation Plan (SIP).
• EPA Approved and Compiled Rules and Regulations: Orange County Portion of the South Coast AQMD (pdf) (389.81 KB, September 2022)
  EPA approved and compiled rules and regulations of the Orange County portion of the South Coast Air Quality Management District's (SCAQMD) Air District Regulations in the California SIP.
• EPA Approved and Compiled Rules and Regulations: Riverside County Portion of the South Coast AQMD (pdf) (360.11 KB, September 2022)
  EPA approved and compiled rules and regulations of the Riverside County portion of the South Coast Air Quality Management District's (SCAQMD) Air District Regulations in the California SIP.
• EPA Approved and Compiled Rules and Regulations: San Bernardino County Portion of the South Coast AQMD (pdf) (1.12 MB, September 2022)
  EPA approved and compiled rules and regulations of the San Bernardino County portion of the South Coast Air Quality Management District's (SCAQMD) Air District Regulations in the California SIP.

Tables of Rules and Regulations

Rules and Regulations (District-Wide Applicability)

Regulation I – General Provisions

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
101	Title	April 1, 1977	December 19, 1978, 43 FR 59065	Submitted on October 13, 1977. See 40 CFR 52.220(c)(41)(xiv)(A).
102	Definition of Terms	January 10, 2020	July 9, 2021, 86 FR 36227	Submitted on September 16, 2020. See 40 CFR 52.220(c)(556)(i)(A)(1).
103	Definition of Geographical Areas	January 9, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on April 21, 1976. See 40 CFR 52.220(c)(31)(vi)(B).
104	Reporting of Source Test Data and Analyses	January 9, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on April 21, 1976. See 40 CFR 52.220(c)(31)(vi)(B).
106	Increments of Progress	January 9, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on April 21, 1976. See 40 CFR 52.220(c)(31)(vi)(B).
108	Alternative Emission Control Plans	April 6, 1990	August 30, 1993, 58 FR 45445	Submitted on December 31, 1990. See 40 CFR 52.220(c)(182)(i)(A)(3).
109	Recordkeeping for Volatile Organic Compound Emissions	May 2, 2003	January 22, 2004, 69 FR 3018	Submitted on August 11, 2003. See 40 CFR 52.220(c)(320)(i)(B)(1).

Regulation II – Permits

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
201	Permit to Construct	January 5, 1990	May 13, 1999, 64 FR 25828	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(7).
201.1	Permit Conditions in Federally Issued Permits to Construct	January 5, 1990	May 13, 1999, 64 FR 25828	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(7).
202 (excluding paragraph (c))	Temporary Permit to Operate	January 9, 1976	November 9, 1978, 43 FR 52237	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on April 21, 1976. See 40 CFR 52.220(c)(31)(vi)(C).
202 (paragraph (c))	Temporary Permit to Operate	May 7, 1976	November 9, 1978, 43 FR 52237	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on August 2, 1976. See 40 CFR 52.220(c)(32)(iv)(C).
203	Permit to Operate	January 5, 1990	May 13, 1999, 64 FR 25828	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(7).
204	Permit Conditions	October 8, 1993	May 13, 1999, 64 FR 25828	Submitted on February 28, 1994. See 40 CFR 52.220(c)(217)(i)(C)(1).
205	Expiration of Permits to Construct	January 5, 1990	May 13, 1999, 64 FR 25828	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(7).
206	Posting of Permit to Operate	October 8, 1993	May 13, 1999, 64 FR 25828	Submitted on February 28, 1994. See 40 CFR 52.220(c)(217)(i)(C)(1).
207	Altering or Falsifying of Permit	January 9, 1976	November 9, 1978, 43 FR 52237	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on April 21, 1976. See 40 CFR 52.220(c)(31)(vi)(C).
208	Permit and Burn Authorization for Open Burning	December 21, 2001	April 8, 2002, 67 FR 16644	Submitted on January 22, 2002. See 40 CFR 52.220(c)(293)(i)(A)(1).
209	Transfer and Voiding of Permits	January 5, 1990	May 13, 1999, 64 FR 25828	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(7).
210	Applications	October 8, 1993	May 13, 1999, 64 FR 25828	Submitted on February 28, 1994. See 40 CFR 52.220(c)(217)(i)(C)(1).
212	Standards for Approving Permits	December 7, 1995	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
217	Provision for Sampling and Testing Facilities	January 5, 1990	May 13, 1999, 64 FR 25828	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(7).
218	Continuous Emission Monitoring	May 14, 1999	June 8, 2010, 75 FR 32293	Submitted on July 23, 1999. See 40 CFR 52.220(c)(268)(i)(A)(2).
218.1	Continuous Emission Monitoring Performance Specifications	May 14, 1999	June 8, 2010, 75 FR 32293	Submitted on July 23, 1999. See 40 CFR 52.220(c)(268)(i)(A)(3).
219	Equipment Not Requiring a Written Permit Pursuant to Regulation II	September 4, 1981	July 6, 1982, 47 FR 29231	Submitted on October 23, 1981. See 40 CFR 52.220(c)(103)(xviii)(A).
220	Exemption – Net Increase in Emissions	August 7, 1981	July 6, 1982, 47 FR 29231	Submitted on October 23, 1981. See 40 CFR 52.220(c)(103)(xviii)(A).
221	Plans	January 4, 1985	April 17, 1987, 52 FR 12522	Submitted on November 12, 1985. See 40 CFR 52.220(c)(165)(i)(B)(1).
223	Emission Reduction Permits for Large Confined Animal Facilities	June 2, 2006	July 13, 2015, 80 FR 39966	Submitted on March 17, 2009. See 40 CFR 52.220(c)(363)(i)(F)(1).

Regulation III – Fees

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
301 (paragraphs (e)(1), except (e)(1)(C), (e)(2), (5) and (8) only)	Permitting and Associated Fees	July 12, 2019	October 1, 2019, 84 FR 52005	Submitted on August 5, 2019. See 40 CFR 52.220(c)(526)(i)(A)(1).
317	Clean Air Act Non-Attainment Fees	February 4, 2011	December 14, 2012, 77 FR 74372	Submitted on April 22, 2011. See 40 CFR 52.220(c)(418)(i)(A)(1).

Regulation IV – Prohibitions

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
401	Visible Emissions	March 2, 1984	January 29, 1985, 50 FR 3906	Submitted on July 10, 1984. See 40 CFR 52.220(c)(155)(iv)(B).
403	Fugitive Dust	June 3, 2005	March 10, 2008, 73 FR 12639	Submitted on October 20, 2005. See 40 CFR 52.220(c)(342)(i)(C)(4).
403 Implementation Handbook (Chapters 5, 7 and 8)	Fugitive Dust	April 2, 2004	November 14, 2005, 70 FR 69081	Submitted on November 16, 2004. See 40 CFR 52.220(c)(340)(i)(A)(1).
403.1 (excluding paragraph (j))	Supplemental Fugitive Dust Control Requirements for Coachella Valley Sources	April 2, 2004	November 14, 2005, 70 FR 69081	Paragraph (j) relates to fees. Submitted on July 29, 2004. See 40 CFR 52.220(c)(333)(i)(A)(2).
403.1 Implementation Handbook (Chapters 2, 3, 4 and 7)	Supplemental Fugitive Dust Control Requirements for Coachella Valley Sources	April 2, 2004	November 14, 2005, 70 FR 69081	Submitted on November 16, 2004. See 40 CFR 52.220(c)(340)(i)(A)(1).
404 (excluding table 404(a))	Particulate Matter – Concentration	February 7, 1986	September 2, 1998, 63 FR 46659	Submitted on June 4, 1986. See 40 CFR 52.220(c)(169)(i)(A)(1). The submittal did not include table 404(a).
404 (table 404(a))	Particulate Matter – Concentration	October 15, 1979	September 28, 1981, 46 FR 47451	Submitted on December 17, 1979. See 40 CFR 52.220(c)(58)(ii)(B).
405 (excluding table 405(a))	Solid Particulate Matter – Weight	February 7, 1986	September 2, 1998, 63 FR 46659	Submitted on June 4, 1986. See 40 CFR 52.220(c)(169)(i)(A)(1). The submittal did not include table 405(a).
405 (table 405(a))	Solid Particulate Matter – Weight	May 7, 1976	September 28, 1981, 46 FR 47451	Submitted on April 23, 1980. See 40 CFR 52.220(c)(69)(ii).
407	Liquid and Gaseous Air Contaminants	April 2, 1982	November 10, 1982, 47 FR 50864	Submitted on August 6, 1982. See 40 CFR 52.220(c)(124)(iv)(A).
408	Circumvention	May 7, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on August 2, 1976. See 40 CFR 52.220(c)(32)(iv)(A).
409	Combustion Contaminants	August 7, 1981	July 6, 1982, 47 FR 29231	Submitted on October 23, 1981. See 40 CFR 52.220(c)(103)(xviii)(A).
431.1	Sulfur Content of Gaseous Fuels	June 12, 1998	December 3, 1999, 64 FR 67787	Submitted on September 29, 1998. See 40 CFR 52.220(c)(266)(i)(A)(2).
431.2	Sulfur Content of Liquid Fuels	May 4, 1990	June 8, 1999, 64 FR 30396	Submitted on December 31, 1990. See 40 CFR 52.220(c)(182)(i)(A)(5).
431.3	Sulfur Content of Fossil Fuels	December 2, 1977	September 28, 1981, 46 FR 47451	Submitted on July 25, 1979. See 40 CFR 52.220(c)(65)(ii).
442	Usage of Solvents	December 15, 2000	May 23, 2002, 67 FR 36105	Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(B)(3).
443	Labeling of Solvents	January 1, 1977	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on August 2, 1976. See 40 CFR 52.220(c)(32)(iv)(A).
443.1	Labeling of Materials Containing Organic Solvents	December 5, 1986	September 12, 2001, 66 FR 47392	Submitted on June 9, 1987. See 40 CFR 52.220(c)(173)(i)(F)(1).
444 (excluding paragraph (g))	Open Burning	May 3, 2013	September 26, 2013, 78 FR 59249	Paragraph (g) (“Fees”) was not included as part of the SIP revision. Submitted on June 11, 2013. See 40 CFR 52.220(c)(430)(i)(A)(1).
445 (excluding paragraph (g), “Ozone Contingency Measures,” and paragraph (k), “Penalties”)	Wood-Burning Devices	October 27, 2020	March 8, 2022, 87 FR 12866	Submitted on October 29, 2020. See 40 CFR 52.220(c)(570)(i)(A)(1).
461	Gasoline Transfer and Dispensing	April 6, 2012	April 11, 2013, 78 FR 21542	Submitted on September 21, 2012. See 40 CFR 52.220(c)(423)(i)(C)(1).
462	Organic Liquid Loading	May 14, 1999	July 21, 1999, 64 FR 39037	Submitted on June 3, 1999. See 40 CFR 52.220(c)(264)(i)(A)(1).
463	Organic Liquid Storage	November 4, 2011	March 28, 2013, 78 FR 18853	Submitted on February 23, 2012. See 40 CFR 52.220(c)(411)(i)(F)(1).
464	Wastewater Separators	December 7, 1990	February 24, 1997, 62 FR 8171	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(6).
465	Refinery Vacuum-Producing Devices or Systems	August 13, 1999	March 1, 2000, 65 FR 10944	Submitted on October 29, 1999. See 40 CFR 52.220(c)(270)(i)(C)(1).
466	Pumps and Compressors	October 7, 1983	January 15, 1987, 52 FR 1627	Submitted on December 2, 1983. See 40 CFR 52.220(c)(166)(i)(A)(1).
466.1	Valves and Flanges	May 2, 1980	July 8, 1982, 47 FR 29668	Submitted on June 2, 1980. See 40 CFR 52.220(c)(79)(iv)(B).
467	Pressure Relief Devices	March 5, 1982	November 16, 1983, 58 FR 52054	Submitted on May 20, 1982. See 40 CFR 52.220(c)(125)(ii)(D).
468	Sulfur Recovery Units	October 8, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on February 10, 1977. See 40 CFR 52.220(c)(37)(i)(A).
469	Sulfuric Acid Units	October 8, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on February 10, 1977. See 40 CFR 52.220(c)(37)(i)(A).
470	Asphalt Air Blowing	May 7, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on August 2, 1976. See 40 CFR 52.220(c)(32)(iv)(A).
472	Reduction of Animal Matter	May 7, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on August 2, 1976. See 40 CFR 52.220(c)(32)(iv)(A).
474	Fuel Burning Equipment – Oxides of Nitrogen	December 4, 1981	July 6, 1982, 47 FR 29231	Submitted on March 1, 1982. See 40 CFR 52.220(c)(121)(i)(A).
475	Electric Power Generating Equipment	October 8, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on February 10, 1977. See 40 CFR 52.220(c)(37)(i)(A).
476	Steam Generating Equipment	October 8, 1976	June 14, 1978, 43 FR 25684	Adopted by the Southern California Air Pollution Control District and remains applicable throughout the SCAQMD. Submitted on February 10, 1977. See 40 CFR 52.220(c)(37)(i)(A).
481	Spray Coating Operations	January 11, 2002	August 26, 2003, 68 FR 51181	Submitted on May 21, 2002. See 40 CFR 52.220(c)(310)(i)(B)(1).

Regulation V – Procedure Before the Hearing Board

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
518.2	Federal Alternative Operating Conditions	December 21, 2001	September 13, 2002, 67 FR 57954	Submitted on March 15, 2002. See 40 CFR 52.220(c)(297)(i)(C)(2).

Regulation VII – Emergencies

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
701	Air Pollution Emergency Contingency Actions	June 13, 1997	March 25, 1999, 64 FR 14391	Submitted on September 8, 1997. See 40 CFR 52.220(c)(249)(i)(A)(2).

Regulation XI – Source Specific Standards

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
1101	Secondary Lead Smelters – Sulfur Oxides	October 7, 1977	September 2, 1981, 46 FR 43968	Submitted on August 15, 1980. See 40 CFR 52.220(c)(70)(i)(B).
1102	Dry Cleaners Using Solvent Other Than Perchloroethylene	November 17, 2000	July 17, 2002, 67 FR 46876	Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(B)(4).
1102.1	Perchloroethylene Dry Cleaning Systems	December 7, 1990	March 24, 1992, 57 FR 10136	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(1).
1103	Pharmaceuticals and Cosmetics Manufacturing Operations	March 12, 1999	July 21, 1999, 64 FR 39037	Submitted on May 13, 1999. See 40 CFR 52.220(c)(263)(i)(A)(1).
1104	Wood Flat Stock Coating Operations	August 13, 1999	March 22, 2000, 65 FR 15240	Submitted on October 29, 1999. See 40 CFR 52.220(c)(270)(i)(C)(2).
1105	Fluid Catalytic Cracking Units - Oxides of Sulfur	September 21, 1984	July 12, 1990, 55 FR 28624	Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(v)(C).
1105.1	Reduction of PM10 and Ammonia Emissions from Fluid Catalytic Cracking Units	November 7, 2003	January 4, 2006, 71 FR 241	Submitted on June 3, 2004. See 40 CFR 52.220(c)(331)(i)(B)(2).
1106	Marine Coating Operations	January 13, 1995	July 14, 1995, 60 FR 36227	Submitted on February 24, 1995. See 40 CFR 52.220(c)(215)(i)(A)(3).
1106.1	Pleasure Craft Coating Operations	February 12, 1999	August 31, 1999, 64 FR 47392	Submitted on June 3, 1999. See 40 CFR 52.220(c)(264)(i)(A)(2).
1107	Coating of Metal Parts and Products	January 6, 2006	November 24, 2008, 73 FR 70883	Submitted on May 8, 2007. See 40 CFR 52.220(c)(350)(i)(D)(1).
1108	Cutback Asphalt	February 1, 1985	July 12, 1990, 55 FR 28624	Submitted on April 12, 1985. See 40 CFR 52.220(c)(160)(i)(E)(1).
1108.1	Emulsified Asphalt	November 4, 1983	January 24, 1985, 50 FR 3338	Submitted on March 14, 1984. See 40 CFR 52.220(c)(153)(vii)(A).
1110.2	Emissions from Gaseous- and Liquid-Fueled Engines	February 1, 2008	April 27, 2009, 74 FR 18995	Submitted on May 20, 2008. See 40 CFR 52.220(c)(360)(i)(A)(1).
1111	Reduction of NOx Emissions From Natural-Gas-Fired, Fan-Type Central Furnaces	September 5, 2014	March 29, 2016, 81 FR 17390	Submitted on April 7, 2015. See 40 CFR 52.220(c)(461)(i)(C)(2).
1112.1	Emissions of Particulate Matter and Carbon Monoxide from Cement Kilns	December 4, 2009	March 13, 2014, 79 FR 14176	Submitted on July 20, 2010. See 40 CFR 52.220(c)(381)(i)(K)(1).
1113 (excluding the final sentence of paragraphs (b)(8), and (b)(25))	Architectural Coatings	February 5, 2016	November 29, 2018, 83 FR 61326	Submitted on August 22, 2016. See 40 CFR 52.220(c)(488)(i)(D)(1).
1114	Petroleum Refinery Coking Operations	May 3, 2013	January 20, 2015, 80 FR 2609	Submitted on February 10, 2014. See 40 CFR 52.220(c)(442)(i)(C)(1).
1115	Motor Vehicle Assembly Line Coating Operations	May 12, 1995	July 14, 1995, 60 FR 36227	Submitted on June 16, 1995. See 40 CFR 52.220(c)(222)(i)(A)(1).
1117	Emissions of Oxides of Nitrogen from Glass Melting Furnaces	January 6, 1984	July 12, 1990, 55 FR 28624	Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(v)(D).
1118	Control of Emissions from Refinery Flares	January 6, 2023	October 21, 2024, 89 FR 84083	Submitted on May 11, 2023. See 40 CFR 52.220(c)(610)(i)(B)(1).
1118.1	Control of Emissions from Non-Refinery Flares	January 4, 2019	December 28, 2022, 87 FR 79806	Submitted by CARB on April 24, 2019. See 40 CFR 52.220 (c)(564)(i)(A)(2)
1119	Petroleum Coke Calcining Operations – Oxides of Sulfur	March 2, 1979	September 28, 1981, 46 FR 47451	Submitted on July 25, 1980. See 40 CFR 52.220(c)(88)(iii)(A).
1120	Asphalt Pavement Heaters	August 4, 1978	September 28, 1981, 46 FR 47451	Submitted on July 25, 1979. See 40 CFR 52.220(c)(65)(ii).
1121	Control of Nitrogen Oxides from Residential Type, Natural Gas-Fired Water Heaters	September 3, 2004	May 6, 2009, 74 FR 20880	Submitted on July 18, 2008. See 40 CFR 52.220(c)(359)(i)(B)(1).
1122	Solvent Degreasers	October 1, 2004	February 8, 2006, 71 FR 6350	Submitted on January 13, 2005. See 40 CFR 52.220(c)(335)(i)(D)(1).
1123	Refinery Process Turnarounds	December 7, 1990	August 11, 1992, 57 FR 35758	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(2).
1124	Aerospace Assembly and Component Manufacturing Operations	September 21, 2001	August 13, 2002, 67 FR 52611	Submitted on January 22, 2002. See 40 CFR 52.220(c)(293)(i)(A)(2).
1125	Metal Container, Closure, and Coil Coating Operations	March 7, 2008	December 21, 2009, 74 FR 67821	Submitted on April 6, 2009. See 40 CFR 52.220(c)(366)(i)(B)(1).
1126	Magnet Wire Coating Operations	January 13, 1995	June 13, 1995, 60 FR 31081	Submitted on February 24, 1995. See 40 CFR 52.220(c)(215)(i)(A)(1).
1127	Emissions Reductions from Livestock Waste	August 6, 2004	May 23, 2013, 78 FR 30768	Submitted on October 5, 2006. See 40 CFR 52.220(c)(347)(i)(B)(2).
1128	Paper, Fabric, and Film Coating Operations	March 8, 1996	May 4, 1999, 64 FR 23774	Submitted on July 23, 1996. See 40 CFR 52.220(c)(239)(i)(B)(1).
1130	Graphic Arts	May 2, 2014	July 14, 2015, 80 FR 40915	Submitted on November 6, 2014. See 40 CFR 52.220(c)(457)(i)(E)(1).
1130.1	Screen Printing Operations	December 13, 1996	August 21, 1998, 63 FR 44792	Submitted on March 3, 1997. See 40 CFR 52.220(c)(244)(i)(D)(1).
1131	Food Product Manufacturing and Processing Operations	June 6, 2003	January 22, 2004, 69 FR 3018	Submitted on August 11, 2003. See 40 CFR 52.220(c)(320)(i)(B)(1).
1132	Further Control of VOC Emissions From High-Emitting Spray Booth Facilities	May 5, 2006	July 26, 2011, 76 FR 44493	Submitted on January 10, 2010. See 40 CFR 52.220(c)(378)(i)(A)(2).
1133	Composting and Related Operations – General Administrative Requirements	January 10, 2003	July 21, 2004, 69 FR 43518	Submitted on June 5, 2003. See 40 CFR 52.220(c)(316)(i)(D)(1).
1133.1	Chipping and Grinding Activities	July 8, 2011	November 29, 2012, 77 FR 71129	Submitted on November 18, 2011. See 40 CFR 52.220(c)(416)(i)(B)(1).
1133.2	Emission Reductions from Co-Composting Operations	January 10, 2003	July 21, 2004, 69 FR 43518	Submitted on June 5, 2003. See 40 CFR 52.220(c)(316)(i)(D)(1).
1133.3	Emission Reductions from Greenwaste Composting Operations	July 8, 2011	November 29, 2012, 77 FR 71129	Submitted on November 18, 2011. See 40 CFR 52.220(c)(416)(i)(B)(2).
1134	Emissions of Oxides of Nitrogen from Stationary Gas Turbines	August 8, 1997	August 1, 2000, 65 FR 46873	Submitted on March 10, 1998. See 40 CFR 52.220(c)(254)(i)(D)(4).
1135	Emissions of Oxides of Nitrogen from Electric Power Generating Systems	July 19, 1991	August 11, 1998, 63 FR 42721	Submitted on January 28, 1992. See 40 CFR 52.220(c)(187)(i)(C)(2).
1136	Wood Products Coatings	June 14, 1996	August 18, 1998, 63 FR 44132	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(5).
1137	PM10 Emission Reductions from Woodworking Operations	February 1, 2002	January 22, 2004, 69 FR 3018	Submitted on November 19, 2002. See 40 CFR 52.220(c)(307)(i)(D)(1).
1138	Control of Emissions from Restaurant Operations	November 14, 1997	July 11, 2001, 66 FR 36170	Submitted on March 10, 1998. See 40 CFR 52.220(c)(254)(i)(D)(5).
1140	Abrasive Blasting	August 2, 1985	December 10, 2014, 79 FR 73203	Submitted on November 12, 1985. See 40 CFR 52.220(c)(165)(i)(B)(2).
1141	Control of Volatile Organic Compound Emissions from Resin Manufacturing	November 17, 2000	August 13, 2002, 67 FR 52611	Submitted on March 14, 2001. See 40 CFR 52.220(c)(286)(i)(A)(3).
1141.1	Coatings and Ink Manufacturing	November 17, 2000	February 12, 2002, 67 FR 6410	Submitted on March 14, 2001. See 40 CFR 52.220(c)(286)(i)(A)(1).
1141.2	Surfactant Manufacturing	January 11, 2002	August 26, 2003, 68 FR 51181	Submitted on May 21, 2002. See 40 CFR 52.220(c)(310)(i)(B)(1).
1142	Marine Tank Vessel Operations	July 19, 1991	December 13, 1994, 59 FR 64132	Submitted on January 28, 1992. See 40 CFR 52.220(c)(187)(i)(C)(1).
1143	Consumer Paint Thinners & Multi-Purpose Solvents	December 3, 2010	November 16, 2011, 76 FR 70888	Submitted on April 5, 2011. See 40 CFR 52.220(c)(388)(i)(A)(1).
1144	Metal Working Fluids and Direct-Contact Lubricants	July 9, 2010	November 16, 2011, 76 FR 70888	Submitted on April 5, 2011. See 40 CFR 52.220(c)(388)(i)(A)(2).
1145	Plastic, Rubber, Leather, and Glass Coatings	December 4, 2009	July 14, 2010, 75 FR 40726	Submitted on May 17, 2010. See 40 CFR 52.220(c)(379)(i)(A)(2).
1146	Emissions of Oxides of Nitrogen from Industrial, Institutional, and Commercial Boilers, Steam Generators, and Process Heaters	November 1, 2013	September 25, 2014, 79 FR 57442	Submitted on May 13, 2014. See 40 CFR 52.220(c)(441)(i)(A)(1).
1146.1	Emissions of Oxides of Nitrogen from Small Industrial, Institutional, and Commercial Boilers, Steam Generators, and Process Heaters	November 1, 2013	September 25, 2014, 79 FR 57442	Submitted on May 13, 2014. See 40 CFR 52.220(c)(441)(i)(A)(2).
1146.2	Emissions of Oxides of Nitrogen From Large Water Heaters and Small Boilers and Process Heaters	May 5, 2006	December 5, 2008, 73 FR 74027	Submitted on March 7, 2008. See 40 CFR 52.220(c)(354)(i)(A)(4).
1147	NOx Reductions from Miscellaneous Sources	September 9, 2011	December 28, 2016, 81 FR 95472	Submitted on February 6, 2013. See 40 CFR 52.220(c)(428)(i)(D)(2).
1148	Thermally Enhanced Oil Recovery Wells	November 5, 1982	October 19, 1984, 49 FR 41028	Submitted on February 3, 1983. See 40 CFR 52.220(c)(127)(vii)(C).
1148.1	Oil and Gas Production Wells	March 5, 2004	September 29, 2011, 76 FR 60376	Submitted on January 10, 2010. See 40 CFR 52.220(c)(378)(i)(A)(3).
1149	Storage Tank and Pipeline Cleaning and Degassing	May 2, 2008	December 21, 2009, 74 FR 67821	Submitted on April 6, 2009. See 40 CFR 52.220(c)(366)(i)(B)(2).
1150.1	Control of Gaseous Emissions from Municipal Solid Waste Landfills	April 1, 2011	May 23, 2013, 78 FR 30768	Submitted on September 27, 2011. See 40 CFR 52.220(c)(404)(i)(A)(4).
1151	Motor Vehicle and Mobile Equipment Non-Assembly Line Coating Operations	September 5, 2014	December 8, 2015, 80 FR 76219	Submitted on April 7, 2015. See 40 CFR 52.220(c)(461)(i)(C)(1).
1153	Commercial Bakery Ovens	January 13, 1995	August 8, 1995, 60 FR 40285	Submitted on February 24, 1995. See 40 CFR 52.220(c)(215)(i)(A)(2).
1153.1	Emissions of Oxides of Nitrogen from Commercial Food Ovens	November 7, 2014	December 28, 2016, 81 FR 95472	Submitted on April 7, 2015. See 40 CFR 52.220(c)(461)(i)(C)(3).
1155	Particulate Matter (PM) Control Devices	May 2, 2014	March 16, 2015, 80 FR 13495	Submitted on July 25, 2014. See 40 CFR 52.220(c)(447)(i)(C)(1).
1156	Further Reductions of Particulate Emissions from Cement Manufacturing Facilities	March 6, 2009	September 4, 2012, 77 FR 53773	Submitted on April 29, 2009. See 40 CFR 52.220(c)(362)(i)(B)(2).
1157	PM10 Emission Reductions from Aggregate and Related Operations	September 8, 2006	March 7, 2012, 77 FR 13495	Submitted on May 17, 2010. See 40 CFR 52.220(c)(379)(i)(A)(5).
1158	Storage, Handling, and Transport of Coke, Coal and Sulfur	July 11, 2008	November 10, 2009, 74 FR 57907	Submitted on December 23, 2008. See 40 CFR 52.220(c)(364)(i)(B)(1).
1159	Nitric Acid Units – Oxides of Nitrogen	December 6, 1985	July 12, 1990, 55 FR 28622	Submitted on February 10, 1986. See 40 CFR 52.220(c)(168)(i)(H)(1).
1162	Polyester Resin Operations	July 8, 2005	July 26, 2011, 76 FR 44493	Submitted on April 6, 2009. See 40 CFR 52.220(c)(366)(i)(B)(3).
1164	Semiconductor Manufacturing	January 13, 1995	February 1, 1996, 61 FR 3579	Submitted on February 24, 1995. See 40 CFR 52.220(c)(215)(i)(A)(4).
1166	Volatile Organic Compound Emissions from Decontamination of Soil	July 14, 1995	August 17, 1998, 63 FR 43881	Submitted on October 13, 1995. See 40 CFR 52.220(c)(225)(i)(A)(3).
1168	Adhesive and Sealant Applications	October 6, 2017	February 24, 2021, 86 FR 11130; corrected on March 11, 2021, 86 FR 13819	Submitted on May 23, 2018. See 40 CFR 52.220(c)(518)(i)(D)(1).
1171	Solvent Cleaning Operations	February 1, 2008	September 29, 2011, 76 FR 60376	Submitted on April 5, 2011. See 40 CFR 52.220(c)(388)(i)(A)(5).
1173	Control of Volatile Organic Compound Leaks and Releases from Components at Petroleum Facilities and Chemical Plants	February 6, 2009	May 5, 2010, 75 FR 24406	Submitted on January 10, 2010. See 40 CFR 52.220(c)(378)(i)(A)(1).
1174	Control of Volatile Organic Compound Emissions from the Ignition of Barbeque Charcoal	October 5, 1990	October 4, 1994, 59 FR 50498	Submitted on May 13, 1991. See 40 CFR 52.220(c)(184)(i)(B)(4).
1175	Control of Emissions from the Manufacture of Polymeric Cellular (Foam) Products	November 5, 2010	August 4, 2011, 76 FR 47074	Submitted on April 5, 2011. See 40 CFR 52.220(c)(388)(i)(A)(3).
1176	VOC Emissions from Wastewater Systems	September 13, 1996	October 7, 2002, 67 FR 62376	Submitted on November 26, 1996. See 40 CFR 52.220(c)(242)(i)(B)(2).
1177	Liquefied Petroleum Gas Transfer and Dispensing	June 1, 2012	January 3, 2014, 79 FR 364	Submitted on February 6, 2013. See 40 CFR 52.220(c)(428)(i)(D)(1).
1178	Further Reductions of VOC Emissions from Storage Tanks at Petroleum Facilities	April 7, 2006	August 28, 2007, 72 FR 49196	Submitted on June 16, 2006. See 40 CFR 52.220(c)(345)(i)(A)(2).
1179	Publicly Owned Treatment Works Operations	March 6, 1992	October 4, 1994, 59 FR 50498	Submitted on September 14, 1992. See 40 CFR 52.220(c)(189)(i)(A)(5).
1186	PM10 Emissions from Paved and Unpaved Roads, and Livestock Operations	July 11, 2008	March 7, 2012, 77 FR 13495	Submitted on December 23, 2008. See 40 CFR 52.220(c)(364)(i)(B)(2).
1189	Emissions from Hydrogen Plant Process Vents	January 21, 2000	June 8, 2001, 66 FR 30815	Submitted on July 26, 2000. See 40 CFR 52.220(c)(280)(i)(A)(1).

Regulation XIII – New Source Review

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
1301	General	December 7, 1995	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1302	Definitions	June 13, 1997	March 19, 1999, 64 FR 13514	Submitted on March 10, 1998. See 40 CFR 52.220(c)(254)(i)(D)(3).
1303	Requirements	May 10, 1996	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1304	Exemptions	June 14, 1996	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1306	Emission Calculations	June 14, 1996	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1309	Emission Reduction Credits	December 7, 1995	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1309.1	Priority Reserve	May 3, 2002	June 19, 2006, 71 FR 35157	Submitted on December 23, 2002. See 40 CFR 52.220(c)(311)(i)(A)(3).
1310	Analysis and Reporting	December 7, 1995	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1313	Permits to Operate	December 7, 1995	December 4, 1996, 61 FR 64291	Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(1).
1315 (excluding paragraph (b)(2) and subdivisions (g) and (h))	Federal New Source Review Tracking System	February 4, 2011	May 25, 2012, 77 FR 31200	Submitted on March 2, 2011. See 40 CFR 52.220(c)(403)(i)(A)(1).
1325	Federal PM2.5 New Source Review Program	January 4, 2019	October 22, 2021, 86 FR 58592	Submitted on April 24, 2019. See 40 CFR 52.220(c)(564)(i)(A)(1).

Regulation XIV – Toxics and Other Non-Criteria Pollutants

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
1420.1	Emissions Standard For Lead From Large Lead-Acid Battery Recycling Facilities	November 5, 2010	January 25, 2013, 78 FR 5305	Submitted on September 27, 2011. See 40 CFR 52.220(c)(404)(i)(A)(2).

Regulation XVI – Mobile Source Offset Programs

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
1612.1	Mobile Source Credit Generation Pilot Program	March 16, 2001	February 7, 2002, 67 FR 5729	Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(B)(1).
1631	Pilot Credit Generation Program for Marine Vessels	October 4, 2002	November 24, 2003, 68 FR 65845	Submitted on December 12, 2002. See 40 CFR 52.220(c)(308)(i)(D)(1).
1632	Pilot Credit Generation Program for Hotelling Operations	May 11, 2001	February 7, 2002, 67 FR 5729	Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(A)(1).
1633	Pilot Credit Generation Program for Truck/Trailer Refrigeration Units	May 11, 2001	February 7, 2002, 67 FR 5729	Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(A)(1).
1634	Pilot Credit Generation Program for Truck Stops	November 9, 2001	November 24, 2003, 68 FR 65845	Submitted on January 22, 2002. See 40 CFR 52.220(c)(293)(i)(A)(3).

Regulation XVII – Prevention of Significant Deterioration (PSD)

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
1714	Prevention of Significant Deterioration for Greenhouse Gases	November 5, 2010	December 10, 2012, 77 FR 73320	Submitted on December 30, 2010. See 40 CFR 52.220(c)(421)(i)(A)(1). The approval is based on clarifications provided in a letter dated August 15, 2012 from Mohsen Nazemi, SCAQMD, to Gerardo Rios, EPA Region 9, which is listed in the tables for the nonregulatory portions of the applicable California SIP.

Regulation XIX – Federal Conformity Regulations

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
1901	General Conformity	September 9, 1994	April 23, 1999, 64 FR 19916	Submitted on November 30, 1994. See 40 CFR 52.220(c)(207)(i)(I)(1).

Regulation XX – Regional Clean Air Incentives Market (RECLAIM)

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
2000	General	May 6, 2005	August 29, 2006, 71 FR 51120	Submitted on October 20, 2005. See 40 CFR 52.220(c)(342)(i)(C)(2).
2001	Applicability	December 4, 2015	September 14, 2017, 82 FR 43176	Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(1).
2002	Allocations for Oxides of Nitrogen (NOx) and Oxides of Sulfur (SOx)	October 7, 2016	September 14, 2017, 82 FR 43176	Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(2).
2004	Requirements	April 6, 2007	July 3, 2008, 73 FR 38122	Submitted on March 7, 2008. See 40 CFR 52.220(c)(354)(i)(A)(1).
2005	New Source Review for RECLAIM	December 4, 2015	September 14, 2017, 82 FR 43176	Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(3).
2006	Permits	May 11, 2001	September 4, 2003, 68 FR 52512	Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(A)(2).
2007	Trading Requirements	April 6, 2007	July 3, 2008, 73 FR 38122	Submitted on March 7, 2008. See 40 CFR 52.220(c)(354)(i)(A)(2).
2008	Mobile Source Credits	October 15, 1993	November 8, 1996, 61 FR 57775	Submitted on March 21, 1994. See 40 CFR 52.220(c)(232)(i)(A)(1).
2010	Administrative Remedies and Sanctions	April 6, 2007	July 3, 2008, 73 FR 38122	Submitted on March 7, 2008. See 40 CFR 52.220(c)(354)(i)(A)(3).
2011	Requirements for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2011 Protocol - Appendix A, Chapter 1	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	May 6, 2005	August 29, 2006, 71 FR 51120	Chapter 1 is titled “Overview.” Submitted on October 20, 2005. See 40 CFR 52.220(c)(342)(i)(C)(2).
2011 Protocol - Appendix A, Chapter 2	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Chapter 2 is titled “Major Sources – Continuous Emission Monitoring System (CEMS).” Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2011 Protocol – Appendix A, Chapter 3	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	December 4, 2015	September 14, 2017, 82 FR 43176	Chapter 3 is titled “Process Units – Periodic Reporting and Rule 219 Equipment.” Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(5).
2011 Protocol - Appendix A, Chapters 4, 5 and 6	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Chapters 4, 5 and 6 are titled “Process Units – Source Testing,” “Remote Terminal Unit (RTU) – Electronic Reporting” and “Reference Methods,” respectively. Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2011 Protocol – Appendix A, Attachments A and B	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Attachments A, B, D and F are titled “1 N Procedure,” and “Bias Test,” respectively. Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2011 Protocol – Appendix A, Attachment C	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	December 4, 2015	September 14, 2017, 82 FR 43176	Attachment C is titled “Quality Assurance and Quality Control Procedures.” Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(4).
2011 Protocol – Appendix A, Attachment D	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Attachment D is titled “List of Acronyms and Abbreviations.” Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2011 Protocol – Appendix A, Attachment E	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	February 5, 2016	September 14, 2017, 82 FR 43176	Attachment E is titled “Definitions.” Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(8).
2011 Protocol – Appendix A, Attachment F	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Sulfur (SOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Attachment F is titled “Supplemental and Alternative CEMS Performance Requirements for Low SOx Concentrations.” Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2012	Requirements for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
Rule 2012(j)(3) - Testing Guidelines (Protocol)	Rule 2012(j)(3) - Testing Guidelines (Protocol) for Alternative Nitrogen Oxides Emission Rate Determination at Process Units	December 7, 1995	June 15, 1998, 63 FR 32621	The Protocol is dated March 31, 1994. Submitted on August 28, 1996. See 40 CFR 52.220(c)(240)(i)(A)(3).
2012 Protocol - Appendix A, Chapter 1	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	May 6, 2005	August 29, 2006, 71 FR 51120	Chapter 1 is titled “Overview.” Submitted on October 20, 2005. See 40 CFR 52.220(c)(342)(i)(C)(2).
2012 Protocol – Appendix A, Chapters 2 and 3	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Chapters 2 and 3 are titled “Major Sources – Continuous Emission Monitoring System (CEMS)” and “Large Sources – Continuous Process Monitoring System (CPMS),” respectively. Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2012 Protocol – Appendix A, Chapter 4	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	December 4, 2015	September 14, 2017, 82 FR 43176	Chapter 4 is titled “Process Units – Periodic Reporting and Rule 219 Equipment.” Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(7).
2012 Protocol – Appendix A, Chapters 5, 6, 7 and 8	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Chapters 5, 6, 7 and 8 are titled “Large Sources and Process Units – Source Testing,” “All Sources and Units – Determining Source Category Status,” “Remote Terminal Unit (RTU) – Electronic Reporting” and “Reference Methods,” respectively. Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2012 Protocol – Appendix A, Attachments A and B	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Attachments A and B are titled “1 N Procedures” and “Bias Test,” respectively. Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2012 Protocol – Appendix A, Attachment C	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	December 4, 2015	September 14, 2017, 82 FR 43176	Attachment C is titled “Quality Assurance and Quality Control Procedures.” Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(6).
2012 Protocol – Appendix A, Attachments D and E	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Attachments D and E are titled “Equipment Tuning Procedures,” and “List of Acronyms and Abbreviations,” respectively. Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2012 Protocol – Appendix A, Attachment F	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	February 5, 2016	September 14, 2017, 82 FR 43176	Attachment F is titled “Definitions.” Submitted on March 17, 2017. See 40 CFR 52.220(c)(491)(i)(A)(9).
2012 Protocol – Appendix A, Attachment G	Protocol for Monitoring, Reporting, and Recordkeeping for Oxides of Nitrogen (NOx) Emissions	January 7, 2005	August 29, 2006, 71 FR 51120	Attachment G is titled “Supplemental and Alternative CEMS Performance Requirements for Low NOx Concentrations.” Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(C)(1).
2015	Backstop Provisions	June 4, 2004	December 21, 2004, 69 FR 76417	Submitted on July 29, 2004. See 40 CFR 52.220(c)(333)(i)(A)(1).
2020	RECLAIM Reserve	May 11, 2001	September 4, 2003, 68 FR 52512	Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(A)(2).

Regulation XXIII - Facility Based Mobile Source Measures

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
2305	Warehouse Indirect Source Rule - Warehouse Actions and Investments to Reduce Emissions (WAIRE) Program	May 7, 2021	September 11, 2024, 89 FR 73568	Submitted on August 13, 2021. See 40 CFR 52.220(c)(616)(i)(A)(1).

Regulation XXIV – In-Use Mobile Source Emission Reduction Programs

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
2449	Control of Oxides of Nitrogen Emissions from Off-Road Diesel Vehicles	July 11, 2014	November 21, 2016, 81 FR 83154	Submitted on September 5, 2014. See 40 CFR 52.220(c)(482)(i)(A)(1).

Regulation XXV – Intercredit Trading

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
2507	Pilot Credit Generation Program for Agricultural Pumps	May 11, 2001	February 7, 2002, 67 FR 5729	Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(A)(1).

Los Angeles County Portion of the District

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
53	Sulfur Compounds - Concentration	June 30, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
58	Disposal of Solid and Liquid Wastes	June 30, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
67	Fuel Burning Equipment	June 30, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6). Deletion approved in part at 46 FR 27116 (May 18, 1981). The emission limits of Rule 67 are partially retained, applicable only to (existing) sources, granted permits prior to June 17, 1981 – see 40 CFR 52.280(c)(1)(i).

Orange County Portion of the District

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
53 (paragraph (c))	Specific Contaminants	May 24, 1967	May 31, 1972, 37 FR 10842	Submitted on February 21, 1972. See 40 CFR 52.220(b). Paragraph (a) was superseded by approval of Rule 53 (Sulfur Compounds – Concentration) at 37 FR 19812 (September 22, 1972). Paragraph (b) was disapproved at 37 FR 10842, at 10852 (May 31, 1972). Paragraph (c) relates to fluorine emissions.
53	Sulfur Compounds – Concentration	June 18, 1975	September 8, 1978, 43 FR 40011	Submitted on July 22, 1975. See 40 CFR 52.220(c)(28)(xi)(A).
58	Disposal of Solid and Liquid Wastes	April 25, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
67	Fuel Burning Equipment	December 23, 1969	May 31, 1972, 37 FR 10842	Submitted on February 21, 1972. See 40 CFR 52.220(b). Deletion approved in part at 46 FR 27116 (May 18, 1981). The emission limits of Rule 67 are partially retained, applicable only to (existing) sources, granted permits prior to June 17, 1981 – see 40 CFR 52.280(c)(1)(i).
74	Lead Content of Motor Fuels	October 27, 1971	May 31, 1972, 37 FR 10842	Submitted on February 21, 1972. See 40 CFR 52.220(b).

Riverside County Portion of the District

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
53	Specific Air Contaminants	June 10, 1975	June 14, 1978, 43 FR 25684	Submitted on July 22, 1975. See 40 CFR 52.220(c)(28)(x)(A).
56	Scavenger Plants	June 13, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
58	Disposal of Solid and Liquid Wastes	March 28, 1972	September 22, 1972, 37 FR 19812	Paragraphs (b), (c), (d) are effective on January 1, 1974. Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
72	Fuel Burning Equipment	May 8, 1970	May 31, 1972, 37 FR 10842	Submitted on February 21, 1972. See 40 CFR 52.220(b). Deletion approved in part at 46 FR 27116 (May 18, 1981). The emission limits of Rule 72 are partially retained, applicable only to (existing) sources, granted permits prior to June 17, 1981 – see 40 CFR 52.280(c)(1)(i).

San Bernardino County Portion of the District

District Citation	Title/Subject	State Effective Date	EPA Approval Date	Additional Explanation
2	Definitions	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation I (General Provisions). Submitted on February 21, 1972. See 40 CFR 52.220(b). Superseded except for the definitions for the terms used in Regulation VI (Orchard or Citrus Grove Heaters), which remains part of the applicable SIP.
5 (paragraph (a))	Public Availability of Emission Data	May 30, 1972	June 14, 1978, 43 FR 25684	Submitted on July 25, 1973. See 40 CFR 52.220(c)(21)(xv)(A).
53A	Specific Contaminants	May 30, 1972	June 14, 1978, 43 FR 25684	Submitted on July 25, 1973. See 40 CFR 52.220(c)(21)(xv)(A).
53.1	Scavenger Plants	May 30, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
58-A	Disposal of Solid and Liquid Wastes – South Coast Air Basin	May 30, 1972	September 22, 1972, 37 FR 19812	Submitted on June 30, 1972. See 40 CFR 52.220(c)(6).
67	Fuel Burning Equipment	December 23, 1969	May 31, 1972, 37 FR 10842	Submitted on February 21, 1972. See 40 CFR 52.220(b). Deletion approved in part at 46 FR 27116 (May 18, 1981). The emission limits of Rule 67 are partially retained, applicable only to (existing) sources, granted permits prior to June 17, 1981 – see 40 CFR 52.280(c)(1)(i).
100	Definition	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
101	Exceptions	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
102	Permits Required	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
104	Standards for Granting Permits	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
109	Denial of Applications	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
110	Appeals	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
130	Classification of Orchard Heaters	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
131	Class I Heaters Designated	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
132	Class II Heaters Designated	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
133	Identification of Heaters	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
134	Use of Incomplete Heaters Prohibited	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
135	Cleaning, Repairs	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
136	Authority to Classify Orchard Heaters	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.
137	Enforcement	November 17, 1970	May 31, 1972, 37 FR 10842	Part of Regulation VI (Orchard or Citrus Grove Heaters). Submitted on February 21, 1972. See 40 CFR 52.220(b). Cites the definitions in Rule 2.