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  2. Air Quality Implementation Plans

EPA-Approved Monterey Bay Unified Air District Regulations in the California SIP

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

The following documents and tables contain the EPA approved rules and regulations for the Monterey Bay Unified Air Pollution Control District (APCD) 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.

On this page:
  • Compiled Rules and Regulations (PDF)
  • Tables of Rules and Regulations
    • District-Wide Applicability
      • Regulation I – General Provisions
      • Regulation II – Permits
      • Regulation III – Fees
      • Regulation IV – Prohibitions
      • Regulation V – Orchard, Field Crop, or Citrus Grove Heaters
      • Regulation VII – Air Emergencies
      • Regulation X – Toxic Air Contaminants
      • Appendices to Rules and Regulations
    • Monterey County and Santa Cruz County Portion of District
    • San Benito County Portion of District

Compiled Rules and Regulations

Free viewers and readers are available to access documents on our website. If you encounter issues with assistive technology, please contact us.

  • EPA Approved and Compiled Rules and Regulations: Monterey Bay Unified APCD (pdf) (11.85 MB, September 2022)
    EPA approved and compiled rules and regulations of the Monterey Bay Unified Air Pollution Control District (MBUAPCD) Regulations portions of the California SIP.
  • EPA Approved and Compiled Rules and Regulations: Monterey and Santa Cruz County Portions of the Monterey Bay Unified APCD (pdf) (276.87 KB, September 2022)
    EPA approved and compiled rules and regulations of the Monterey and Santa Cruz County Portions of the Monterey Bay Unified Air Pollution Control District (MBUAPCD) portion of the California State Implementation Plan (SIP).
  • EPA Compiled Rules and Regulations: San Benito County Portions of the Monterey Bay Unified APCD (pdf) (349.43 KB, September 2022)
    EPA approved and compiled rules and regulations of the Monterey and Santa Cruz County Portions of the Monterey Bay Unified Air Pollution Control District (MBUAPCD) portion of the California State Implementation Plan (SIP).

Tables of Rules and Regulations

Air Pollution Rules and Regulations (District-Wide Applicability)

Regulation I – General Provisions

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
100TitleDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
101DefinitionsFebruary 21, 2007November 15, 2007, 72 FR 64156Submitted on August 24, 2007. See 40 CFR 52.220(c)(351)(i)(B)(1).
103Effective DateDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
105Separate ZoneDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
106Increments of ProgressDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).

Regulation II – Permits

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
200Permits RequiredDecember 17, 1986July 1, 1999, 64 FR 35577Submitted on June 9, 1987. See 40 CFR 52.220(c)(173)(i)(C)(2).
201 (introductory paragraph through subparagraph (8.6))Source Not Requiring PermitsDecember 17, 1986February 3, 1989, 54 FR 5448Submitted on June 9, 1987. See 40 CFR 52.220(c)(173)(i)(C)(1).
201 (subparagraph (8.7 through paragraph (16))Source Not Requiring PermitsDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
202TransferDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
203ApplicationOctober 16, 2002March 26, 2015, 80 FR 15899Submitted on December 12, 2002. See 40 CFR 52.220(c)(308)(i)(E)(1).
204Cancellation of ApplicationsMarch 21, 2001March 26, 2015, 80 FR 15899Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(C)(2).
205Provision of Sampling and Testing FacilitiesMarch 21, 2001September 20, 2012, 77 FR 58313Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(C)(1).
206Standards for Issuing Authorities to Construct and Permits to OperateMarch 21, 2001March 26, 2015, 80 FR 15899Submitted on May 31, 2001. See 40 CFR 52.220(c)(282)(i)(C)(3).
207Review of New or Modified SourcesApril 20, 2011March 26, 2015, 80 FR 15899Submitted on May 12, 2011. See 40 CFR 52.220(c)(453)(i)(A)(1).
212Public Availability of Emission DataOctober 16, 2002March 26, 2015, 80 FR 15899Submitted on December 12, 2002. See 40 CFR 52.220(c)(308)(i)(E)(2).
213Continuous Emissions MonitoringMarch 21, 2001December 9, 2002, 67 FR 72842Submitted on May 23, 2001. See 40 CFR 52.220(c)(281)(i)(B)(1).
214Breakdown ConditionsDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
215Banking of Emissions ReductionsMarch 26, 1997July 1, 1999, 64 FR 35577Submitted on June 3, 1997. See 40 CFR 52.220(c)(258)(i)(A)(2).

Regulation III – Fees

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
300 (excluding paragraph (i)(1))Permit FeesJune 14, 1978May 18, 1981, 46 FR 27116Submitted on December 17, 1979. See 40 CFR 52.220(c)(58)(i)(B). Paragraph (i)(1) was disapproved – see 40 CFR 52.236(g)(1)(i).
300 (part 4, paragraph 4.4 only)Permit FeesJuly 1, 1993January 17, 1997, 62 FR 2597Submitted on November 18, 1993. See 40 CFR 52.220(c)(194)(i)(F)(5). Only paragraph 4.4 (“Emissions Statement”) of part 4 was approved.

Regulation IV – Prohibitions

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
400Visible EmissionsAugust 15, 2012December 10, 2012, 77 FR 73322Submitted on September 20, 2012. See 40 CFR 52.220(c)(422)(i)(A)(1).
403Particulate MatterFebruary 16, 2005November 9, 2006, 71 FR 65740Submitted on July 15, 2005. See 40 CFR 52.220(c)(337)(i)(D)(1).
404Sulfur Compounds and Nitrogen OxidesDecember 15, 2004October 14, 2005, 70 FR 60008Submitted on January 13, 2005. See 40 CFR 52.220(c)(335)(i)(A)(3).
408Incinerator BurningSeptember 15, 2004April 25, 2005, 70 FR 21151Submitted on January 13, 2005. See 40 CFR 52.220(c)(335)(i)(A)(1).
412Sulfur Content of FuelsAugust 21, 2002September 30, 2003, 68 FR 56174Submitted on October 16, 2002. See 40 CFR 52.220(c)(302)(i)(B)(4).
413Removal of Sulfur CompoundsAugust 21, 2002September 30, 2003, 68 FR 56174Submitted on October 16, 2002. See 40 CFR 52.220(c)(302)(i)(B)(4).
414Reduction of Animal MatterAugust 21, 2002September 16, 2003, 68 FR 54167Submitted on October 16, 2002. See 40 CFR 52.220(c)(302)(i)(B)(3).
415CircumventionFebruary 21, 2007January 2, 2008, 73 FR 48Submitted on August 24, 2007. See 40 CFR 52.220(c)(351)(i)(B)(2).
416SolventsMarch 19, 2001July 17, 2002, 67 FR 46876Amended on January 17, 2001. Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(A)(3).
417Storage of Organic LiquidsDecember 19, 2001February 26, 2003, 68 FR 8835Submitted on March 15, 2002. See 40 CFR 52.220(c)(297)(i)(D)(2).
418Transfer of Gasoline into Stationary Storage ContainersMarch 21, 2007January 2, 2008, 73 FR 48Submitted on August 24, 2007. See 40 CFR 52.220(c)(351)(i)(B)(2).
419Bulk Gasoline Plants and TerminalsDecember 13, 2000April 23, 2002, 67 FR 19682Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(A)(2).
420Effluent Oil Water SeparatorsAugust 25, 1993February 9, 1996, 61 FR 4890Submitted on November 18, 1993. See 40 CFR 52.220(c)(194)(i)(F)(3).
421Violations and Determinations of ComplianceFebruary 1, 1995December 9, 2002, 67 FR 72842Amended on December 21, 1994. Submitted on February 24, 1995. See 40 CFR 52.220(c)(215)(i)(F)(1).
425Use of Cutback AsphaltMarch 26, 1997May 26, 2000, 65 FR 34101Submitted on June 3, 1997. See 40 CFR 52.220(c)(258)(i)(A)(3).
426Architectural CoatingsAugust 15, 2012January 3, 2014, 79 FR 364Submitted on April 22, 2013. See 40 CFR 52.220(c)(429)(i)(C)(1).
427Steam Drive Crude Oil Production WellsOctober 17, 2007June 11, 2009, 74 FR 27714Submitted on March 7, 2008. See 40 CFR 52.220(c)(354)(i)(D)(1).
429Applications of Non-architectural CoatingsJanuary 17, 2001October 3, 2001, 66 FR 50319Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(A)(1).
431Emissions from Electric Power BoilersOctober 17, 2001April 8, 2002, 67 FR 16638Submitted on November 7, 2001. See 40 CFR 52.220(c)(292)(i)(A)(1).
433Organic Solvent CleaningJanuary 17, 2001March 7, 2003, 68 FR 10966Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(A)(4).
434Coating of Metal Parts and ProductsJanuary 17, 2001October 3, 2001, 66 FR 50319Submitted on May 8, 2001. See 40 CFR 52.220(c)(284)(i)(A)(1).
436Title V: General Prohibitory RuleNovember 6, 1996July 1, 1999, 64 FR 35577Adopted on May 17, 1995. Submitted on August 10, 1995. See 40 CFR 52.220(c)(224)(i)(D)(1).
438Open Outdoor BurningSeptember 15, 2004April 25, 2005, 70 FR 21151Submitted on January 13, 2005. See 40 CFR 52.220(c)(335)(i)(A)(2).

Regulation V – Orchard, Field Crop, or Citrus Grove Heaters

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
500DefinitionDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
501Non-Complying HeatersDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
502Approved Orchard HeatersDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
503Condition of HeatersDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
504Classification of HeatersDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
505Prohibition of Sale of HeatersDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
506Burning Rubber and Other SubstancesDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).

Regulation VII – Air Emergencies

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
700GeneralDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
701Sampling StationsDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
702Air SamplingDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
703ReportsDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
704Continuing Program of Voluntary CooperationDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
705PlansDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
706Application of RulesDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
707Episode NotificationDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
708Episode CriteriaDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
709First Stage EpisodeDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
710Second Stage EpisodeDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
711Third Stage EpisodeDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
712Termination of EpisodesDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).
713EnforcementDecember 13, 1984July 13, 1987, 52 FR 26148Submitted on February 6, 1985. See 40 CFR 52.220(c)(159)(iii)(A).

Regulation X – Toxic Air Contaminants

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
1002Transfer of Gasoline into Vehicle Fuel TanksDecember 17, 2014September 25, 2015, 80 FR 57725Submitted on April 7, 2015. See 40 CFR 52.220(c)(461)(i)(A)(1).

Appendices to Rules and Regulations

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
Appendix GDetermining Conformity of General Federal Actions to State or Federal Implementation PlansOctober 19, 1994April 23, 1999, 64 FR 19916Submitted on November 30, 1994. See 40 CFR 52.220(c)(207)(i)(E)(2).

Air Pollution Rules and Regulations (Monterey County and Santa Cruz County Portion of District)

Regulation IV – Prohibitions

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
404 (paragraph (c) only)Specific Air ContaminantsJuly 1, 1971May 31, 1972, 37 FR 10842Adopted by the Monterey-Santa Cruz County Unified Air Pollution Control District. Submitted on February 21, 1972. See 40 CFR 52.220(b). Applies only to sources in Monterey and Santa Cruz Counties. See 42 FR 56605 (October 27, 1977) and 40 CFR 52.277(a)(1)(i)(A).
413Separation of EmissionsJuly 1, 1971May 31, 1972, 37 FR 10842Adopted by the Monterey-Santa Cruz County Unified Air Pollution Control District. Submitted on February 21, 1972. See 40 CFR 52.220(b). Applies only to sources in Monterey and Santa Cruz Counties.
414Combination of EmissionsJuly 1, 1971May 31, 1972, 37 FR 10842Adopted by the Monterey-Santa Cruz County Unified Air Pollution Control District. Submitted on February 21, 1972. See 40 CFR 52.220(b). Applies only to sources in Monterey and Santa Cruz Counties.

Air Pollution Rules and Regulations (San Benito County Portion of District)

Regulation IV – Prohibitions

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
406Separation of EmissionsAugust 1, 1971May 31, 1972, 37 FR 10842Adopted by the San Benito County Air Pollution Control District. Submitted on February 21, 1972. See 40 CFR 52.220(b). Applies only to sources in San Benito County.
407Combination of EmissionsAugust 1, 1971May 31, 1972, 37 FR 10842Adopted by the San Benito County Air Pollution Control District. Submitted on February 21, 1972. See 40 CFR 52.220(b). Applies only to sources in San Benito County.
408 (paragraph (b) only)Specific Air ContaminantsAugust 1, 1971May 31, 1972, 37 FR 10842Adopted by the San Benito County Air Pollution Control District. Submitted on February 21, 1972. See 40 CFR 52.220(b). Applies only to sources in San Benito County. See 42 FR 56605 (October 27, 1977) and 40 CFR 52.277(a)(1)(i)(B).

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