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  2. Air Quality Implementation Plans

Washington SIP: EPA Approved Regulations (Table 1 - Statewide)

Latest EPA Action: December 28, 2023

Note: The official SIPs are contained in regulations promulgated in the Federal Register and codified in the U.S. Code of Federal Regulations (CFR). EPA’s web-versions of the approved SIPs are for reference. While we make every effort to maintain the accuracy of the files accessible here, inconsistencies may occur. Please contact us if you find any errors in these files.


View Full Text of EPA Approved Rules

[Not applicable on Indian reservations (excluding non-trust land within the exterior boundaries of the Puyallup Indian Reservation) and any other area where the EPA or an Indian tribe has demonstrated that a tribe has jurisdiction.]

40 CFR Part 52.2470(c)
Table 1 - Laws and Regulations Approved Statewide
State citation Title/subject State effective date EPA approval date Explanations
Washington Administrative Code, Chapter 173-405—Kraft Pulping Mills
173-405-012 Statement of Purpose 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-405-021 Definitions 5/24/19 2/26/20
85 FR 10983 (PDF)
 
173-405-040 Emissions Standards 5/24/19 12/28/23
88 FR 89582 (PDF)
Except: 173–405–040(1)(b); 173–405–040(1)(c); 173–405–040(3)(b); 173–405–040(3)(c); 173–405–040(4); 173–405–040(6)(b).
173-405-045 Creditable Stack Height & Dispersion Techniques 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-405-061 More Restrictive Emission Standards 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-405-072 Monitoring Requirements 5/24/19 2/26/20
85 FR 10983 (PDF)
Except 173–405–072(2).
173-405-078 Emission Inventory 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-405-086 New Source Review (NSR) 5/24/19 2/26/20
85 FR 10983 (PDF)
Except provisions related to WAC 173–400–114 and provisions excluded from our approval of WAC 173–400–110 through 173– 400–113.
173-405-087 Prevention of Significant Deterioration (PSD) 5/24/19 2/26/20
85 FR 10983 (PDF)
Except 173–400–720(4)(a)(i through iv), 173– 400–720(4)(b)(iii)(C), and 173–400–750(2) second sentence.
173-405-091 Special Studies 3/22/91 1/15/93
58 FR 4578 (PDF)
 
Washington Administrative Code, Chapter 173-410—Sulfite Pulping Mills
173-410-012 Statement of Purpose 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-410-021 Definitions 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-410-040 Emissions Standards 5/24/19 12/28/23
88 FR 89582 (PDF)
Except: 173–410–040(3)(b); 173–410–040(5).
173-410-045 Creditable Stack Height & Dispersion Techniques 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-410-062 Monitoring Requirements 5/24/19 2/26/20
85 FR 10983 (PDF)
 
173-410-071 Emission Inventory 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-410-086 New Source Review (NSR) 5/24/19 2/26/20
85 FR 10983 (PDF)
Except provisions related to WAC 173–400–114 and provisions excluded from our approval of WAC 173–400–110 through 173– 400–113.
173-410-087 Prevention of Significant Deterioration (PSD) 5/24/19 2/26/20
85 FR 10983 (PDF)
Except 173–400–720(4)(a)(i through iv), 173–400–720(4)(b)(iii)(C), and 173–400–750(2) second sentence.
173-410-100 Special Studies 3/22/91 1/15/93
58 FR 4578 (PDF)
 
Washington Administrative Code, Chapter 173-415—Primary Aluminum Plants
173-415-010 Statement of Purpose 3/22/91 1/15/93
58 FR 4578 (PDF)
 
173-415-015 Applicability 5/24/19 2/26/20
85 FR 10983 (PDF)
Except 173–415–015(3).
173-415-020 Definitions 5/24/19 2/26/20
85 FR 10983 (PDF)
Except 173–415–020(6).
173-415-030 Emissions Standards 5/24/19 12/28/23
88 FR 89582 (PDF)
Except: 173–410–030(1); 173–410–030(3)(b).
173-415-060 Monitoring and Reporting 5/24/19 2/26/20
85 FR 10983 (PDF)
Except 173–415–060(1)(b).
Washington Administrative Code, Chapter 173–423—Low Emission Vehicles
173-423-010 Purpose 12/29/12 11/8/21
86 FR 61705 (PDF)
 
173-423-020 Applicability 12/31/05 11/8/21
86 FR 61705 (PDF)
 
173-423-025 Effective Date 12/31/05 11/8/21
86 FR 61705 (PDF)
 
173-423-030 Incorporation by Reference 12/31/05 11/8/21
86 FR 61705 (PDF)
 
173-423-040 Definitions and Abbreviations 12/29/12 11/8/21
86 FR 61705 (PDF)
Except 173–423–040(3).
173-423-050 Requirement to Meet California Vehicle Emission Standards 12/29/12 11/8/21
86 FR 61705 (PDF)
Except 173–423–050(2)(g).
173-423-060 Exemptions 12/29/12 11/8/21
86 FR 61705 (PDF)
 
173-423-070 Emission Standards, Warranty, Recall and Other California Provisions Adopted by Reference 1/27/19 11/8/21
86 FR 61705 (PDF)
Except the incorporation by reference of California code sections 1961.1 and 1961.3.
173-423-080 Fleet Average Nonmethane Organic Gas (NMOG) and NMOG Plus NOX Exhaust Emission Requirements, Reporting and Compliance 12/29/12 11/8/21
86 FR 61705 (PDF)
 
173-423-100 Manufacturer Delivery Reporting Requirements 12/29/12 11/8/21
86 FR 61705 (PDF)
 
173-423-110 Warranty Requirements 12/29/12 11/8/21
86 FR 61705 (PDF)
 
173-423-120 Recalls 12/29/12 11/8/21
86 FR 61705 (PDF)
 
173-423-130 Surveillance 12/31/05 11/8/21
86 FR 61705 (PDF)
 
173-423-140 Enforcement 12/31/05 11/8/21
86 FR 61705 (PDF)
 
173-423-150 Severability 12/31/05 11/8/21
86 FR 61705 (PDF)
 
Washington Administrative Code, Chapter 173-425—Open Burning
173-425-010 Purpose 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-020 Applicability 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-030 Definitions 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-036 Curtailment During Episodes or Impaired Air Quality 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-045 Prohibited Materials 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-425-055 Exceptions 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-065 Residential Open Burning 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-075 Commercial Open Burning 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-085 Agricultural Open Burning 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-095 No Burn Area Designation 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-100 Delegation of Agricultural Open Burning Program 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-115 Land Clearing Projects 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-120 Department of Natural Resources Smoke Management Plan 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-130 Notice of Violation 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-425-140 Remedies 10/18/90 1/15/93
58 FR 4578 (PDF)
 
Washington Administrative Code, Chapter 173-430—Burning of Field and Forage and Turf Grasses Grown for Seed Open Burning
173-430-010 Purpose 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-020 Definitions 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-030 Permits, Conditions, and Restrictions 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-040 Mobile Field Burners 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-050 Other Approvals 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-060 Study of Alternatives 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-070 Fees 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-430-080 Certification of Alternatives 10/18/90 1/15/93
58 FR 4578 (PDF)
 
Washington Administrative Code, Chapter 173-433—Solid Fuel Burning Device Standards
173-433-010 Purpose 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-020 Applicability 12/16/87 1/15/93
58 FR 4578 (PDF)
 
173-433-030 Definitions 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-100 Emission Performance Standards 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-110 Opacity Standards 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-120 Prohibited Fuel Types 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-130 General Emission Standards 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-433-140 Criteria for Impaired Air Quality Burn Bans 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-150 Restrictions on Operation of Solid Fuel Burning Devices 2/23/14 5/9/14
79 FR 26628 (PDF)
 
173-433-155 Criteria for Prohibiting Solid Fuel Burning Devices That Are Not Certified 2/23/14 5/9/14
79 FR 26628 (PDF)
 
Washington Administrative Code, Chapter 173-434—Solid Waste Incinerator Facilities
173-434-010 Purpose 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-434-020 Applicability and Compliance 1/22/04 8/4/05
70 FR 44855 (PDF)
 
173-434-030 Definitions 1/22/04 8/4/05
70 FR 44855 (PDF)
 
173-434-090 Operation and Maintenance Plan 10/18/90 1/15/93
58 FR 4578 (PDF)
 
173-434-110 Standards of Performance 1/22/04 8/4/05
70 FR 44855 (PDF)
Except section (1)(a).
173-434-130 Emission Standards 1/22/04 8/4/05
70 FR 44855 (PDF)
Except section (2).
173-434-160 Design and Operation 1/22/04 8/4/05
70 FR 44855 (PDF)
 
173-434-170 Monitoring and Reporting 1/22/04 8/4/05
70 FR 44855 (PDF)
 
173-434-190 Changes in Operation 1/22/04 8/4/05
70 FR 44855 (PDF)
 
173-434-200 Emission Inventory 1/22/04 8/4/05
70 FR 44855 (PDF)
 
173-434-210 Special Studies 10/18/90 1/15/93
58 FR 4578 (PDF)
 
Washington Administrative Code, Chapter 173-435—Emergency Episode Plan
173-435-010 Purpose 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-015 Significant Harm Levels 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-020 Definitions 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-030 Episode Stage Criteria 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-040 Source Emission Reduction Plans 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-050 Action Procedures 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-060 Enforcement 1/3/89 1/15/93
58 FR 4578 (PDF)
 
173-435-070 Sampling Sites, Equipment and Methods 1/3/89 1/15/93
58 FR 4578 (PDF)
Except section (1).
Washington Administrative Code, Chapter 173-476—Ambient Air Quality Standards
173-476-010 Purpose 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-020 Applicability 7/1/16 10/6/16
81 FR 69385 (PDF)
 
173-476-030 Definitions 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-100 Ambient Air Quality Standard for PM-10 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-110 Ambient Air Quality Standards for PM-2.5 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-120 Ambient Air Quality Standard for Lead (Pb) 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-130 Ambient Air Quality Standards for Sulfur Oxides (Sulfur Dioxide) 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-140 Ambient Air Quality Standards for Nitrogen Oxides (Nitrogen Dioxide) 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-150 Ambient Air Quality Standard for Ozone 7/1/16 10/6/16
81 FR 69385 (PDF)
 
173-476-160 Ambient Air Quality Standards for Carbon Monoxide 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-170 Monitor Siting Criteria 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-180 Reference Conditions 12/22/13 3/4/14
79 FR 12077 (PDF)
 
173-476-900 Table of Standards 7/1/16 10/6/16
81 FR 69385 (PDF)
 
Washington Administrative Code, Chapter 173-490—Emission Standards and Controls for Sources Emitting Volatile Organic Compounds
173-490-010 Policy and Purpose 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-020 Definitions 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-025 General Applicability 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-030 Registration and Reporting 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-040 Requirements 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-080 Exceptions and Alternative Methods 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-090 New Source Review (NSR) 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-200 Petroleum Refinery Equipment Leaks 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-201 Petroleum Liquid Storage in External Floating Roof Tanks 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-202 Leaks from Gasoline Transport Tanks and Vapor Collection System 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-203 Perchloroethylene Dry Cleaning Systems 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-204 Graphic Arts System 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-205 Surface Coating of Miscellaneous Metal Parts and Products 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-207 Surface Coating of Flatwood Paneling 3/22/91 7/12/93
58 FR 37426 (PDF)
 
173-490-208 Aerospace Assembly and Component Coating Operations 3/22/91 7/12/93
58 FR 37426 (PDF)
 
Washington Administrative Code, Chapter 173-492—Motor Fuel Specifications for Oxygenated Gasoline
173-492-010 Policy and Purpose 10/19/96 4/30/97
62 FR 23363 (PDF)
 
173-492-020 Applicability 12/1/92 4/30/97
62 FR 23363 (PDF)
 
173-492-030 Definitions 12/1/92 4/30/97
62 FR 23363 (PDF)
 
173-492-040 Compliance Requirements 12/1/92 4/30/97
62 FR 23363 (PDF)
 
173-492-050 Registration Requirements 10/19/96 4/30/97
62 FR 23363 (PDF)
 
173-492-060 Labeling Requirements 12/1/92 4/30/97
62 FR 23363 (PDF)
 
173-492-070 Control Areas and Control Periods 10/19/96 4/30/97
62 FR 23363 (PDF)(
 
173-492-080 Enforcement and Compliance 12/1/92 4/30/97
62 FR 23363 (PDF)
 
173-492-090 Unplanned Conditions 12/1/92 4/30/97
62 FR 23363 (PDF)
 
173-492-100 Severability 12/1/92 4/30/97
62 FR 23363 (PDF)
 
Washington Administrative Code, Chapter 332–24—Forest Protection
332–24–201 Burning Permit Program—Requirements and Exceptions. 6/30/92 8/10/2023
88 FR 54240 (PDF)
 
332–24–205 General rules—Minimum Requirements for All Burning. 11/22/19 8/10/2023
88 FR 54240 (PDF)
Except section (13).
332–24–211 Specific rules for small fires not requiring a written burning permit. 7/31/92 8/10/2023
88 FR 54240 (PDF)
Included for the purpose of setting the size limit for burns covered by the Department of Natural Resources 2022 Smoke Management Plan in paragraph
(e), Table 2.
332–24–217 Burning permit requirements—Penalty. 7/31/92 8/10/2023
88 FR 54240 (PDF)
 
332–24–221 Specific Rules for Burning That Requires a Written Burning Permit. 2/1/12 8/10/2023
88 FR 54240 (PDF)
 
Revised Code of Washington, Chapter 52.12—Fire Protection Districts, Powers—Burning Permits
52.12.103 Burning permits—Issuance—Contents. 3/27/84 8/10/2023
88 FR 54240 (PDF)
 
52.12.104 Burning permits—Duties of permittee 3/27/84 8/10/2023
88 FR 54240 (PDF)
 
Revised Code of Washington, Chapter 70A.15—Washington Clean Air Act
70A.15.1030(21) Definitions. ‘‘Silvicultural burning’’ 6/11/20 8/10/2023
88 FR 54240 (PDF)
 
70A.15.5000 Definition of ‘‘outdoor burning’’ 7/26/20 8/10/2023
88 FR 54240 (PDF)
 
70A.15.5010 Outdoor burning—Fires prohibited—Exceptions. 6/11/20 8/10/2023
88 FR 54240 (PDF)
Except (1).
70A.15.5020 Outdoor burning—Areas where prohibited—Exceptions—Use for management of storm or flood-related debris—Silvicultural burning. 6/11/20 8/10/2023
88 FR 54240 (PDF)
Except (3).
70A.15.5120 Burning permits for abating or prevention of forest fire hazards, management of ecosystems, instruction or silvicultural operations—
issuance—Fees.
6/11/20 8/10/2023
88 FR 54240 (PDF)
 
70A.15.5130 Silvicultural forest burning—Reduce statewide emissions Exemption—Monitoring program. 7/28/19 8/10/2023
88 FR 54240 (PDF)
 
70A.15.5140 Burning permits for abating or prevention of forest fire hazards, management of ecosystems, instruction or silvicultural operations—Conditions for issuance and use of permits—Air quality standards to be met—Alternate methods to lessen forest debris. 6/11/20 8/10/2023
88 FR 54240 (PDF)
 
70A.15.5150 Cooperation between department of natural resources and state, local, or regional air pollution authorities—Withholding of permits. 6/11/20 8/10/2023
88 FR 54240 (PDF)
 
70A.15.5190 Outdoor burning allowed for managing storm or flood-related debris. 6/11/20 8/10/2023
88 FR 54240 (PDF)
 
Revised Code of Washington, Chapter 76.04—Forest Protection
76.04.005 Definitions 7/24/15 8/10/2023
88 FR 54240 (PDF)
Except (2), (3), (4), (6), (7), (8), (10), (14), (16), (17), (19), (22)
76.04.205 Burning Permits—Civil Penalty 7/25/21 8/10/2023
88 FR 54240 (PDF)
 

Full Text of Approved Rules

  • Table 1 - Regulations Approved Statewide (pdf) (1.2 MB, Updated as of December 28, 2023)
    Full text of EPA-approved regulations for 40 CFR part 52.2470(c) Table 1. Strikeout text denotes sections not incorporated by reference by EPA.

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