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.

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Compiled Rules and Regulations

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Tables of Rules and Regulations

Original Codification of Rules and Regulations

Part V – Prohibitions and Standards

District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
1. Visible Emissions February 9, 1971 May 31, 1972, 37 FR 10842 Submitted 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 Most of the provisions have been superseded by approval of District Rule 410, but certain exclusions in paragraph (C) (i.e., exclusions (1), (2), (3) and (7)) have not been superseded or rescinded and thus remain in the applicable SIP.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 Sulfides February 9, 1971 May 31, 1972, 37 FR 10842 Submitted on February 21, 1972. See 40 CFR 52.220(b).

Part VI – Maintenance, Malfunction, Evasion, Inspection

District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
3. Evasion February 9, 1971 May 31, 1972, 37 FR 10842 Submitted on February 21, 1972. See 40 CFR 52.220(b).

Part VIII – Emergency Conditions

District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
1. Emergency Conditions February 9, 1971 May 31, 1972, 37 FR 10842 Submitted 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 Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
100 Title December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
110 Purpose July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
120 Administration December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
150 Public Records July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
190 Validity July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
Chapter II – Permits
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
210 Environmental Assessment August 7, 1979 June 18, 1982, 47 FR 26379 Submitted on April 17, 1980. See 40 CFR 52.220(c)(119)(ii)(A).
240 (excluding the introductory paragraph to paragraph (e)) Permit to Operate December 13, 1983 December 5, 1984, 49 FR 47490 Submitted 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 Operate September 18, 1984 May 9, 1985, 50 FR 19529 Submitted on December 3, 1984. See 40 CFR 52.220(c)(158)(i)(A).
260 Exclusions December 13, 1983 July 31, 1985, 50 FR 30941 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(B).
Chapter IV – Prohibitions
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
400(b) Circumvention April 6, 1993 March 21, 2003, 68 FR 13843 Submitted on November 18, 1993. See 40 CFR 52.220(c)(194)(i)(G)(2).
410 (excluding (c)(2)) Visible Emissions August 1, 1978 October 31, 1980, 45 FR 72147 Submitted on May 7, 1979. See 40 CFR 52.220(c)(50)(iii)(A).
420 Particulate Matter February 13, 1979 October 31, 1980, 45 FR 72147 Submitted on May 23, 1979. See 40 CFR 52.220(c)(51)(v)(A).
430 Fugitive Dust July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
440 Sulfur Oxide Emissions July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
455(a) and (d) Geothermal Emission Standards June 21, 1977 December 21, 1978, 43 FR 59487 Submitted on November 4, 1977. See 40 CFR 52.220(c)(42)(xix)(A).
470 Reduction of Animal Matter July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
480 Orchard, Vineyard and Citrus Grove Heaters July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
482 Petroleum Loading and Storage July 13, 1976 November 7, 1978, 43 FR 51768 Submitted on November 10, 1976. See 40 CFR 52.220(c)(35)(xv)(C).
Chapter V – Enforcement and Penalty Actions
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
540 Equipment Breakdown February 13, 1979 October 31, 1980, 45 FR 72147 Submitted on May 23, 1979. See 40 CFR 52.220(c)(51)(v)(A).
Appendices to Regulation 1
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Appendix B (excluding paragraph (D)(1)(e)) Continuous Monitoring December 13, 1983 December 5, 1984, 49 FR 47490 Submitted 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 Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
120 (paragraphs (h), (k) and (n)) Definitions April 1, 1980 April 13, 1982, 47 FR 15784 Submitted 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 Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
200 Classification of Open Burning April 1, 1980 April 13, 1982, 47 FR 15784 Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
240 Burning Permits and Reports April 1, 1980 April 13, 1982, 47 FR 15784 Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Chapter III - Limitations & Enforcement
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
300 Burning Preparation and Restrictions April 1, 1980 April 13, 1982, 47 FR 15784 Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Appendices to Regulation 2
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
Appendix A Humboldt Bay Air Basin April 1, 1980 April 13, 1982, 47 FR 15784 Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Appendix B Ukiah – Little Lake Air Basin April 1, 1980 April 13, 1982, 47 FR 15784 Submitted on January 28, 1981. See 40 CFR 52.220(c)(98)(iii)(A).
Appendix C Districts by Watershed April 1, 1980 April 13, 1982, 47 FR 15784 Submitted 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 Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
1-130 Definitions September 20, 2016 July 3, 2017, 82 FR 30770 Submitted on November 15, 2016. See 40 CFR 52.220(c)(489)(i)(A)(1).
1-200 Permit Requirements September 20, 2016 July 3, 2017, 82 FR 30770 Submitted on November 15, 2016. See 40 CFR 52.220(c)(489)(i)(A)(2).
1-220 New Source Review Standards (Including PSD Evaluations) April 7, 2020 June 25, 2021, 86 FR 33539 Submitted on August 10, 2020. See 40 CFR 52.220(c)(555)(i)(A)(1).
1-230 Action on Applications April 7, 2020 June 25, 2021, 86 FR 33539 Submitted on August 10, 2020. See 40 CFR 52.220(c)(555)(i)(A)(2).
Regulation 2 – Open Burning
District Citation Title/Subject State Effective Date EPA Approval Date Additional Explanation
2-101 Restrictions and Descriptions December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-102 Exemptions December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-200 Definitions December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-301 Open Burning – Agricultural December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-302 Open Burning – Nonagricultural December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-303 Forecasts December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-304 Burning Permits December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-305 Designated Fire Agencies December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-401 Burning Preparation and Restrictions December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).
2-501 Prohibitions December 13, 1983 December 5, 1984, 49 FR 47490 Submitted on April 19, 1984. See 40 CFR 52.220(c)(154)(i)(A).

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Last updated on May 8, 2025