EPA-Approved Mendocino County AQMD 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 document and tables contain the EPA approved rules and regulations for the Mendocino County 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.

On this page:

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.

Tables of Rules and Regulations

Original Codification of Rules and Regulations

Part V – Prohibitions and Standards

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
1.Visible EmissionsFebruary 9, 1971May 31, 1972, 37 FR 10842Submitted on February 21, 1972. See 40 CFR 52.220(b). Most of the provisions have been superseded by approval of District Rule 410, but certain exclusions in paragraph (C) (i.e., exclusions (1), (2), (3) and (7)) have not been superseded or rescinded and thus remain in the applicable SIP.
3.Total Reduced SulfidesFebruary 9, 1971May 31, 1972, 37 FR 10842Submitted on February 21, 1972. See 40 CFR 52.220(b).

Part VI – Maintenance, Malfunction, Evasion, Inspection

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
3.EvasionFebruary 9, 1971May 31, 1972, 37 FR 10842Submitted on February 21, 1972. See 40 CFR 52.220(b).

Part VIII – Emergency Conditions

District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
1.Emergency ConditionsFebruary 9, 1971May 31, 1972, 37 FR 10842Submitted on February 21, 1972. See 40 CFR 52.220(b).

1976 Recodification of Rules and Regulations

Regulation 1 – Air Quality Control Rules

Chapter I – General Provisions
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
100TitleDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
110PurposeJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
120AdministrationDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
150Public RecordsJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
190ValidityJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
Chapter II – Permits
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
210Environmental AssessmentAugust 7, 1979June 18, 1982, 47 FR 26379Submitted on April 17, 1980. See 40 CFR 52.220(c)(119)(ii)(A).
240 (excluding the introductory paragraph to paragraph (e))Permit to OperateDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A). The introductory paragraph to paragraph (e) was superseded by approval of a revised introductory paragraph at 50 FR 19529 (May 9, 1985).
240 (introductory paragraph to paragraph (e))Permit to OperateSeptember 18, 1984May 9, 1985, 50 FR 19529Submitted on December 3, 1984. See 40 CFR 52.220(c)(158)(i)(A).
260ExclusionsDecember 13, 1983July 31, 1985, 50 FR 30941Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(B).
Chapter IV – Prohibitions
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
400(b)CircumventionApril 6, 1993March 21, 2003, 68 FR 13843Submitted on November 18, 1993. See 40 CFR 52.220(c)(194)(i)(G)(2).
410 (excluding (c)(2))Visible EmissionsAugust 1, 1978October 31, 1980, 45 FR 72147Submitted on May 7, 1979. See 40 CFR 52.220(c)(50)(iii)(A).
420Particulate MatterFebruary 13, 1979October 31, 1980, 45 FR 72147Submitted on May 23, 1979. See 40 CFR 52.220(c)(51)(v)(A).
430Fugitive DustJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
440Sulfur Oxide EmissionsJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
455(a) and (d)Geothermal Emission StandardsJune 21, 1977December 21, 1978, 43 FR 59487Submitted on November 4, 1977. See 40 CFR 52.220(c)(42)(xix)(A).
470Reduction of Animal MatterJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
480Orchard, Vineyard and Citrus Grove HeatersJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
482Petroleum Loading and StorageJuly 13, 1976November 7, 1978, 43 FR 51768Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
Chapter V – Enforcement and Penalty Actions
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
540Equipment BreakdownFebruary 13, 1979October 31, 1980, 45 FR 72147Submitted on May 23, 1979. See 40 CFR 52.220(c)(51)(v)(A).
Appendices to Regulation 1
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
Appendix B (excluding paragraph (D)(1)(e))Continuous MonitoringDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A). No action was taken on paragraph (D)(1)(e) at 49 FR 47490 (December 5, 1984).

Regulation 2 - Open Burning Procedures

Chapter I – General Provisions
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
120 (paragraphs (h), (k) and (n))DefinitionsApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A). All of the definitions other than for “mechanized burner,” “open burning,” and “regulated open burning” were superseded by approval of Rule 2-200 at 49 FR 47490 (December 5, 1984).
Chapter II – Burning Approval Procedures
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
200Classification of Open BurningApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
240Burning Permits and ReportsApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Chapter III - Limitations & Enforcement
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
300Burning Preparation and RestrictionsApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Appendices to Regulation 2
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
Appendix AHumboldt Bay Air BasinApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Appendix BUkiah – Little Lake Air BasinApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Appendix CDistricts by WatershedApril 1, 1980April 13, 1982, 47 FR 15784Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).

More Recent Recodification of District Rules

Regulation 1 – Air Pollution Control Rules
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
1-130DefinitionsSeptember 20, 2016July 3, 2017, 82 FR 30770Submitted on November 15, 2016. See 40 CFR 52.220(c)(489)(i)(A)(1).
1-200Permit RequirementsSeptember 20, 2016July 3, 2017, 82 FR 30770Submitted on November 15, 2016. See 40 CFR 52.220(c)(489)(i)(A)(2).
1-220New Source Review Standards (Including PSD Evaluations)April 7, 2020June 25, 2021, 86 FR 33539Submitted on August 10, 2020. See 40 CFR 52.220(c)(555)(i)(A)(1).
1-230Action on ApplicationsApril 7, 2020June 25, 2021, 86 FR 33539Submitted on August 10, 2020. See 40 CFR 52.220(c)(555)(i)(A)(2).
Regulation 2 – Open Burning
District CitationTitle/SubjectState Effective DateEPA Approval DateAdditional Explanation
2-101Restrictions and DescriptionsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-102ExemptionsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-200DefinitionsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-301Open Burning – AgriculturalDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-302Open Burning – NonagriculturalDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-303ForecastsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-304Burning PermitsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-305Designated Fire AgenciesDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-401Burning Preparation and RestrictionsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-501ProhibitionsDecember 13, 1983December 5, 1984, 49 FR 47490Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).

Air Quality Implementation Plans

Contact Us about Air Quality Implementation Plans
Contact Us about Air Quality Implementation Plans to ask a question, provide feedback, or report a problem.
Last updated on March 11, 2026