Latest EPA Action: February 26, 2020
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.
State citation | Title/subject | State effective date | EPA approval date | Explanations |
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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)(340 pp, 99 MB, About PDF) |
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173-405-021 | Definitions | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
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173-405-040 | Emissions Standards | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
Except sections (1)(b), (1)(c), (3)(b), (3)(c), (4), (7), (8) & (9). |
173-405-045 | Creditable Stack Height & Dispersion Techniques | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-405-061 | More Restrictive Emission Standards | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-405-072 | Monitoring Requirements | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
Except 173–405–072(2). |
173-405-077 | Report of Startup, Shutdown, Breakdown or Upset Conditions | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-405-078 | Emission Inventory | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-405-086 | New Source Review (NSR) | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
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 10984 (PDF)(3 pp, 291 K) |
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)(340 pp, 99 MB) |
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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)(340 pp, 99 MB) |
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173-410-021 | Definitions | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
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173-410-040 | Emissions Standards | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
Except the exception provision in (3) & section (5). |
173-410-045 | Creditable Stack Height & Dispersion Techniques | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-410-062 | Monitoring Requirements | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
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173-410-067 | Report of Startup, Shutdown, Breakdown or Upset Conditions | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-410-071 | Emission Inventory | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-410-086 | New Source Review (NSR) | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
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 10984 (PDF)(3 pp, 291 K) |
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)(340 pp, 99 MB) |
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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)(340 pp, 99 MB) |
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173-415-015 | Applicability | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
Except 173–415–015(3). |
173-415-020 | Definitions | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
Except 173–415–020(6). |
173-415-030 | Emissions Standards | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
Except sections (1) & (3)(b). |
173-415-060 | Monitoring and Reporting | 5/24/19 | 2/26/20 85 FR 10984 (PDF)(3 pp, 291 K) |
Except 173–415–060(1)(b). |
173-415-070 | Report of Startup, Shutdown, Breakdown or Upset Conditions | 3/22/91 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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Washington Administrative Code, Chapter 173-422—Motor Vehicle Emission Inspection | ||||
173-422-010 | Purpose | 6/3/93 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-020 | Definitions | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-030 | Vehicle Emission Inspection Requirement | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-031 | Vehicle Emission Inspection Schedules | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-035 | Registration Requirements | 3/31/95 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-040 | Noncompliance Areas | 6/3/93 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-050 | Emission Contributing Areas | 11/9/96 | 5/19/97 62 FR 27204 (PDF)(6 pp, 141 K) |
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173-422-060 | Gasoline Vehicle Emission Standards | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-065 | Diesel Vehicle Exhaust Emission Standards | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-070 | Gasoline Vehicle Exhaust Emission Testing Procedures | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-075 | Diesel Vehicle Inspection Procedure | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-090 | Exhaust Gas Analyzer Specifications | 3/31/95 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-095 | Exhaust Opacity Testing Equipment | 3/11/94 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-100 | Testing Equipment Maintenance and Calibration | 3/31/95 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-120 | Quality Assurance | 3/31/95 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-145 | Fraudulent Certificates of Compliance/Acceptance | 4/6/90 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-160 | Fleet and Diesel Owner Vehicle Testing Requirements | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
Except: The part of 173-422-160(3) that says “of twelve or less dollars”. |
173-422-170 | Exemptions | 12/2/00 | 5/12/05 70 FR 24491 (PDF)(2 pp, 140 K) |
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173-422-175 | Fraudulent Exemptions | 1/2/84 | 9/25/96 61 FR 50235 (PDF)(4 pp, 127 K) |
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173-422-190 | Emission Specialist Authorization | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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173-422-195 | Listing of Authorized Emission Specialists | 7/4/02 | 8/11/15 80 FR 48033 (PDF)(4 pp, 242 K) |
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Washington Administrative Code, Chapter 173-425—Open Burning | ||||
173-425-010 | Purpose | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-020 | Applicability | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-030 | Definitions | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-036 | Curtailment During Episodes or Impaired Air Quality | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-045 | Prohibited Materials | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-055 | Exceptions | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-065 | Residential Open Burning | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-075 | Commercial Open Burning | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-085 | Agricultural Open Burning | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-095 | No Burn Area Designation | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-100 | Delegation of Agricultural Open Burning Program | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-115 | Land Clearing Projects | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-120 | Department of Natural Resources Smoke Management Plan | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-130 | Notice of Violation | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-425-140 | Remedies | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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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)(340 pp, 99 MB) |
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173-430-020 | Definitions | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-430-030 | Permits, Conditions, and Restrictions | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-430-040 | Mobile Field Burners | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-430-050 | Other Approvals | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-430-060 | Study of Alternatives | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-430-070 | Fees | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-430-080 | Certification of Alternatives | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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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)(4 pp, 242 K) |
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173-433-020 | Applicability | 12/16/87 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-433-030 | Definitions | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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173-433-100 | Emission Performance Standards | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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173-433-110 | Opacity Standards | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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173-433-120 | Prohibited Fuel Types | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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173-433-130 | General Emission Standards | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-433-140 | Criteria for Impaired Air Quality Burn Bans | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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173-433-150 | Restrictions on Operation of Solid Fuel Burning Devices | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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173-433-155 | Criteria for Prohibiting Solid Fuel Burning Devices That Are Not Certified | 2/23/14 | 5/9/14 79 FR 26628 (PDF)(4 pp, 242 K) |
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Washington Administrative Code, Chapter 173-434—Solid Waste Incinerator Facilities | ||||
173-434-010 | Purpose | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-434-020 | Applicability and Compliance | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
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173-434-030 | Definitions | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
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173-434-090 | Operation and Maintenance Plan | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-434-110 | Standards of Performance | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
Except section (1)(a). |
173-434-130 | Emission Standards | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
Except section (2). |
173-434-160 | Design and Operation | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
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173-434-170 | Monitoring and Reporting | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
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173-434-190 | Changes in Operation | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
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173-434-200 | Emission Inventory | 1/22/04 | 8/4/05 70 FR 44855 (PDF)(3 pp, 148 K) |
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173-434-210 | Special Studies | 10/18/90 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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Washington Administrative Code, Chapter 173-435—Emergency Episode Plan | ||||
173-435-010 | Purpose | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-015 | Significant Harm Levels | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-020 | Definitions | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-030 | Episode Stage Criteria | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-040 | Source Emission Reduction Plans | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-050 | Action Procedures | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-060 | Enforcement | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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173-435-070 | Sampling Sites, Equipment and Methods | 1/3/89 | 1/15/93 58 FR 4578 (PDF)(340 pp, 99 MB) |
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)(3 pp, 223 K) |
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173-476-020 | Applicability | 7/1/16 | 10/6/16 81 FR 69386 (PDF)(6 pp, yy K) |
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173-476-030 | Definitions | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-100 | Ambient Air Quality Standard for PM-10 | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-110 | Ambient Air Quality Standards for PM-2.5 | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-120 | Ambient Air Quality Standard for Lead (Pb) | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-130 | Ambient Air Quality Standards for Sulfur Oxides (Sulfur Dioxide) | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-140 | Ambient Air Quality Standards for Nitrogen Oxides (Nitrogen Dioxide) | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-150 | Ambient Air Quality Standard for Ozone | 7/1/16 | 10/6/16 81 FR 69386 (PDF)(6 pp, yy K) |
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173-476-160 | Ambient Air Quality Standards for Carbon Monoxide | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-170 | Monitor Siting Criteria | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-180 | Reference Conditions | 12/22/13 | 3/4/14 79 FR 12077 (PDF)(3 pp, 223 K) |
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173-476-900 | Table of Standards | 7/1/16 | 10/6/16 81 FR 69386 (PDF)(6 pp, yy K) |
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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)(236 pp, 61 MB) |
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173-490-020 | Definitions | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-025 | General Applicability | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-030 | Registration and Reporting | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-040 | Requirements | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-080 | Exceptions and Alternative Methods | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-090 | New Source Review (NSR) | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-200 | Petroleum Refinery Equipment Leaks | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-201 | Petroleum Liquid Storage in External Floating Roof Tanks | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-202 | Leaks from Gasoline Transport Tanks and Vapor Collection System | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-203 | Perchloroethylene Dry Cleaning Systems | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-204 | Graphic Arts System | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-205 | Surface Coating of Miscellaneous Metal Parts and Products | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-207 | Surface Coating of Flatwood Paneling | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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173-490-208 | Aerospace Assembly and Component Coating Operations | 3/22/91 | 7/12/93 58 FR 37426 (PDF)(236 pp, 61 MB) |
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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)(3 pp, 121 K) |
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173-492-020 | Applicability | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-030 | Definitions | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-040 | Compliance Requirements | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-050 | Registration Requirements | 10/19/96 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-060 | Labeling Requirements | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-070 | Control Areas and Control Periods | 10/19/96 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-080 | Enforcement and Compliance | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-090 | Unplanned Conditions | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
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173-492-100 | Severability | 12/1/92 | 4/30/97 62 FR 23363 (PDF)(3 pp, 121 K) |
Full Text of Approved Rules
Note: Strikeout text denotes sections not incorporated by reference by EPA.
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Table 1 - Regulations Approved Statewide (PDF)(126 pp, 2 MB)
Full text of EPA-approved regulations for 40 CFR part 52.2470(c) Table 1.