EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Washington SIP

Latest EPA Action: September 29, 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.

40 CFR part 52.2470(e)
Table 1 - Approved But Not Incorporated By Reference Regulations
State/local citation Title/subject State/local
effective date		 EPA approval date Explanations
Washington Department of Ecology Regulations
173-400-220 Requirements for Board Members 3/22/91 6/2/95
60 FR 28726 (PDF)		  
173-400-230 Regulatory Actions 3/20/93 6/2/95
60 FR 28726 (PDF)		  
173-400-240 Criminal Penalties 3/22/91 6/2/95
60 FR 28726 (PDF)		  
173-400-250 Appeals 9/20/93 6/2/95
60 FR 28726 (PDF)		  
173-400-260 Conflict of Interest 07/01/16
10/6/16

81 FR 69385 (PDF)

  
173-433-200 Regulatory Actions and Penalties 10/18/90
1/15/93

58 FR 4578 (PDF)

  
Energy Facility Site Evaluation Council Regulations
463-78-135 Criminal Penalties 11/11/04
5/30/17

82 FR 24531 (PDF)

  
463-78-140 Appeals Procedure 3/26/06
5/30/17

82 FR 24531 (PDF)

 Except (3) and (4).
463-78-170 Conflict of Interest 11/11/04
5/30/17

82 FR 24531 (PDF)

  
463-78-230 Regulatory Actions 11/11/04
5/30/17

82 FR 24531 (PDF)

  
Benton Clean Air Agency Regulations
2.01 Powers and Duties of the Benton Clean Air Agency (BCAA) 12/11/14 11/17/15
80 FR 71695 (PDF)		  
2.02 Requirements for Board of Directors Members 12/11/14 11/17/15
80 FR 71695 (PDF)		 Replaces WAC 173-400-220.
2.03 Powers and Duties of the Board of Directors 12/11/14 11/17/15
80 FR 71695 (PDF)		  
2.04 Powers and Duties of the Control Officer 12/11/14 11/17/15
80 FR 71695 (PDF)		  
2.05 Severability 12/11/14 11/17/15
80 FR 71695 (PDF)		  
2.06 Confidentiality of Records and Information 12/11/14 11/17/15
80 FR 71695 (PDF)		  
Northwest Clean Air Agency Regulations
103 Duties and Powers 8/21/05 6/15/20
85 FR 36154 (PDF)		  
105 Separability 8/21/05 6/15/20
85 FR 36154 (PDF)		  
110 Investigation and Studies 8/21/05 6/15/20
85 FR 36154 (PDF)		  
111 Interference or Obstruction 8/21/05 6/15/20
85 FR 36154 (PDF)		  
112 False and Misleading Oral Statement: Unlawful Reproduction or Alteration of Documents 8/21/05 6/15/20
85 FR 36154 (PDF)		  
113 Service of Notice 12/22/07 6/15/20
85 FR 36154 (PDF)		  
114

Confidential Information

 12/22/07 6/15/20
85 FR 36154 (PDF)		  
120 Hearings 12/22/07 6/15/20
85 FR 36154 (PDF)		  
123 Appeal of Orders 4/14/13 6/15/20
85 FR 36154 (PDF)		  
124 Display of Orders, Certificates and Other Notices: Removal or Mutilation Prohibited 8/21/05 6/15/20
85 FR 36154 (PDF)		  
131 Notice to Violators 4/14/13 6/15/20
85 FR 36154 (PDF)		  
132 Criminal Penalty 9/13/15 6/15/20
85 FR 36154 (PDF)		  
133 Civil Penalty 9/13/15 6/15/20
85 FR 36154 (PDF)		  
134 Restraining Orders - Injunction 8/21/05 6/15/20
85 FR 36154 (PDF)		  
135

Assurance of Discontinuance

 12/22/07 6/15/20
85 FR 36154 (PDF)		  
303 Work Done Without an Approval 5/12/19 6/15/20
85 FR 36154 (PDF)		  
Olympic Region Clean Air Agency Regulations
8.1.6 Penalties 5/22/10 10/3/13
78 FR 61188 (PDF)		  
Puget Sound Clean Air Agency Regulations
3.01 Duties and Powers of the Control Officer 11/1/99 4/22/20
85 FR 22355 (PDF)		  
3.05 Investigations by the Control Officer 3/17/94 4/22/20
85 FR 22355 (PDF)		  
3.07 Compliance Tests 5/1/06 4/22/20
85 FR 22355 (PDF)		  
3.09 Violations—Notice 9/12/91 4/22/20
85 FR 22355 (PDF)		  
3.11 Civil Penalties 11/1/19 4/22/20
85 FR 22355 (PDF)		  
3.13 Criminal Penalties 9/12/91 4/22/20
85 FR 22355 (PDF)		  
3.15 Additional Enforcement 9/12/91 4/22/20
85 FR 22355 (PDF)		  
3.17 Appeal of Orders 11/14/98 4/22/20
85 FR 22355 (PDF)		  
3.19 Confidential Information 9/12/91 4/22/20
85 FR 22355 (PDF)		  
3.21 Separability 9/12/91 4/22/20
85 FR 22355 (PDF)		  
Southwest Clean Air Agency Regulations
400-220 Requirements for Board Members 3/18/01 04/10/17
82 FR 17136 (PDF)		  
400-230 Regulatory Actions and Civil Penalties 9/10/21 9/29/23
88 FR 67097 (PDF)		  
400-240 Criminal Penalties 9/10/21 9/29/23
88 FR 67097 (PDF)		  
400-250 Appeals 11/9/03 04/10/17
82 FR 17136 (PDF)		  
400-270 Confidentiality of Records and Information 9/10/21 9/29/23
88 FR 67097 (PDF)		  
400-280 Powers of Agency 9/10/21 9/29/23
88 FR 67097 (PDF)		  
Spokane Regional Clean Air Agency Regulations
2.01 Powers and Duties of the
Board		 09/01/20 5/10/21
86 FR 24718 (PDF)		  
2.02 Control Officer’s Duties
and Powers		 09/01/20 5/10/21
86 FR 24718 (PDF)		 Section 2.02(E) replaces WAC 173–400–105(3).
2.03 Confidential or Proprietary
Information		 09/01/20 5/10/21
86 FR 24718 (PDF)		  
2.04 Violations 09/01/20 5/10/21
86 FR 24718 (PDF)		 Replaces WAC 173–400–230(1)&(6).
2.05 Orders and Hearings 09/01/20 5/10/21
86 FR 24718 (PDF)		  
2.06 Appeal of Board Orders 09/01/20 5/10/21
86 FR 24718 (PDF)		 Replaces WAC 173–400–250.
2.10 Severability 09/01/20 5/10/21
86 FR 24718 (PDF)		  
2.11 Penalties, Civil Penalties,
and Additional Means
for Enforcement		 09/01/20 5/10/21
86 FR 24718 (PDF)		 Replaces WAC 173–400–230(2)&(3).
2.12 Restraining Orders—Injunctions. 09/01/20 5/10/21
86 FR 24718 (PDF)		 Replaces WAC 173–400–230(4).
8.11 Regulatory Actions and Penalties 09/02/14 09/28/15
80 FR 58216 (PDF)		  
Yakima Regional Clean Air Agency Regulations
1.05 Roles and Responsibilities 11/09/20 7/11/22
87 FR 41064 (PDF)		  
2.01 Authority and Investigation 11/09/20 7/11/22
87 FR 41064 (PDF)		  
2.02 Authority to Collect Fees 11/09/20 7/11/22
87 FR 41064 (PDF)		  
2.05 Appeals 11/09/20 7/11/22
87 FR 41064 (PDF)		  
5.01 General Information 11/09/20 7/11/22
87 FR 41064 (PDF)		  
5.02 Additional or Alternative Enforcement Actions 11/09/20 7/11/22
87 FR 41064 (PDF)		  
5.03 Penalties 11/09/20 7/11/22
87 FR 41064 (PDF)		  

40 CFR part 52.2470(e)
Table 2 - Attainment, Maintenance, and Other Plans
Name of SIP provision Applicable
geographic or nonattainment area		 State submittal date EPA approval date Explanations
Attainment and Maintenance Planning—Carbon Monoxide
Carbon Monoxide Attainment Plan Yakima 4/27/79 6/5/80
45 FR 37821 (PDF)		  
Puget Sound Carbon Monoxide Attainment Plan Puget Sound 1/22/93 1/20/94
59 FR 2994 (PDF)		  
Spokane Carbon Monoxide Attainment Plan Spokane 1/22/93 1/20/94
59 FR 2994 (PDF)		  
Vancouver Carbon Monoxide Attainment Plan Vancouver 1/22/93 1/20/94
59 FR 2994 (PDF)		  
Vancouver Carbon Monoxide Attainment Plan—Contingency Measure Vancouver 11/10/93 10/31/94
59 FR 54419 (PDF)		  
Puget Sound Carbon Monoxide Attainment Plan - VMT Supplement Puget Sound 1/22/93 8/23/95
60 FR 43710 (PDF)		  
Puget Sound Carbon Monoxide Maintenance Plan Puget Sound 2/29/96 10/11/96
61 FR 53323 (PDF)		  
Vancouver Carbon Monoxide Maintenance Plan Vancouver 3/19/96 10/21/96
61 FR 54560 (PDF)		  
Spokane Carbon Monoxide Attainment Plan—Revisions Spokane 9/14/93;
4/30/96		 9/22/97
62 FR 49442 (PDF)		  
Spokane Carbon Monoxide Attainment Plan—Correction Spokane   12/31/97
62 FR 68187 (PDF)		  
Yakima Carbon Monoxide Maintenance Plan Yakima 9/26/01 11/01/02
67 FR 66555 (PDF)		  
Puget Sound Carbon Monoxide Maintenance Plan 10-Year Update Puget Sound 12/17/03;
6/3/19		 8/5/04
69 FR 47365 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Spokane Carbon Monoxide Attainment Plan—Including Kaiser Orders Spokane 9/20/01;
11/22/04		 5/12/05
70 FR 24991 (PDF)		  
Spokane Carbon Monoxide Maintenance Plan Spokane 11/29/04 6/29/05
70 FR 37269 (PDF)		  
Vancouver Carbon Monoxide Maintenance Plan 10-Year Update Vancouver 4/25/07;
6/3/19		 6/27/08
73 FR 36439 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Spokane Carbon Monoxide 2nd 10-Year Limited Maintenance Plan Spokane 5/11/16;
6/3/19		 7/14/2016
81 FR 45417 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Attainment and Maintenance Planning—Lead (Pb)
Lead Attainment Plan Seattle 9/27/84 1/29/85
50 FR 3907 (PDF)		  
Attainment and Maintenance Planning—Ozone
Ozone Attainment Plan Vancouver 7/16/82 12/17/82
47 FR 56497 (PDF)		  
Ozone Attainment Plan Seattle-Tacoma 7/16/82 2/28/83
48 FR 8273 (PDF)		  
Ozone Attainment Plan—VOC RACT Seattle-Tacoma 5/14/91 7/12/93
58 FR 37426 (PDF)		  
Ozone Attainment Plan—VOC RACT Vancouver 5/14/91 7/12/93
58 FR 37426 (PDF)		  
Ozone Attainment Plan—Emission Statement Program Seattle-Tacoma 1/28/93 9/12/94
59 FR 46764 (PDF)		  
Ozone Attainment Plan—Emission Statement Program Vancouver 1/28/93 9/12/94
59 FR 46764 (PDF)		  
Seattle-Tacoma Ozone Maintenance Plan Seattle-Tacoma 3/4/96 9/26/96
61 FR 50438 (PDF)		  
Vancouver Ozone Maintenance Plan Vancouver 6/13/96 5/19/97
62 FR 27204 (PDF)		  
Seattle-Tacoma Ozone Maintenance Plan 10-Year Update Seattle-Tacoma 12/17/03 8/5/04
69 FR 47365 (PDF)		  
Seattle-Tacoma 8-Hour Ozone 110(a)(1) Maintenance Plan Seattle-Tacoma 2/5/08;
6/3/19		 5/2/14
79 FR 25010 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Vancouver 8-Hour Ozone 110(a)(1) Maintenance Plan Vancouver 1/17/2007;
6/3/19		 8/11/15
80 FR 48033 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Attainment and Maintenance Planning—Particulate Matter (PM10)
Kent Particulate Matter (PM10) Attainment Plan Kent 11/15/91 7/27/93
58 FR 40059 (PDF)		  
Thurston County Particulate Matter (PM10) Attainment Plan Thurston County 2/17/89
and 11/15/91		 7/27/93
58 FR 40056 (PDF)		  
Tacoma Particulate Matter (PM10) Attainment Plan Tacoma 5/2/95 10/25/95
60 FR 54559 (PDF)		  
Seattle Particulate Matter (PM10) Attainment Plan Seattle 2/21/95 10/26/95
60 FR 54812 (PDF)		  
Spokane Particulate Matter (PM10) Attainment Plan Spokane 12/9/94 1/27/97
62 FR 3800 (PDF)		  
Wallula Particulate Matter (PM10) Attainment Plan Wallula 11/13/91 1/27/97
62 FR 3800 (PDF)		  
Yakima Particulate Matter (PM10) Attainment Plan Yakima 3/24/89 2/2/98
63 FR 5269 (PDF)		  
Thurston County Particulate Matter (PM10) Maintenance Plan Thurston County 8/16/99 10/4/00
65 FR 59128 (PDF)		  
Kent Particulate Matter (PM10) Maintenance Plan Kent 8/23/99 3/13/01
66 FR 14492 (PDF)		  
Seattle Particulate Matter (PM10) Maintenance Plan Seattle 8/23/99 3/13/01
66 FR 14492 (PDF)		  
Tacoma Particulate Matter (PM10) Maintenance Plan Tacoma 8/23/99 3/13/01
66 FR 14492 (PDF)		  
Yakima Particulate Matter (PM10) Maintenance Plan Yakima 7/8/04 2/8/05
70 FR 6591 (PDF)		  
Wallula Particulate Matter (PM10) Attainment Plan - Revision Wallula 11/30/04 5/2/05
70 FR 22597 (PDF)		  
Spokane Particulate Matter (PM10) Maintenance Plan Spokane 11/30/04 7/1/05
70 FR 38029 (PDF)		  
Wallula Particulate Matter (PM10) Maintenance Plan Wallula 3/29/05 8/26/05
70 FR 50212 (PDF)		  
Thurston County Particulate Matter (PM10) 2nd 10-year Limited Maintenance Plan Thurston County 7/1/13 10/3/13
78 FR 61188 (PDF)		  
Kent Particulate Matter (PM10) 2nd 10-Year Limited Maintenance Plan Kent 11/29/13 8/20/14
79 FR 49244 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Seattle Particulate Matter (PM10) 2nd 10-Year Limited Maintenance Plan Seattle 11/29/13 8/20/14
79 FR 49244 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Tacoma Particulate Matter (PM10) 2nd 10-Year Limited Maintenance Plan Tacoma 11/29/13 8/20/14
79 FR 49244 (PDF);
2/18/21
86 FR 10026 (PDF)		 6/3/19 submission moved Motor Vehicle Inspection and Maintenance Program from control measure to contingency measure.
Spokane Particulate Matter (PM10) 2nd 10-Year Limited Maintenance Plan Spokane 1/4/16 4/12/16
81 FR 21470 (PDF)		  
Wallula Particulate Matter (PM10) 2nd 10-Year Maintenance Plan Wallula 11/22/19 5/1/20
85 FR 25303 (PDF)		  
Attainment and Maintenance Planning—Particulate Matter (PM2.5)
Tacoma-Pierce County Particulate Matter (PM2.5) Clean Data Determination Tacoma-Pierce County 05/22/12 9/4/12
77 FR 53772 (PDF)		  
Tacoma-Pierce County Particulate Matter (PM2.5) 2008 Baseline Emissions Inventory and SIP Strengthening Rules Tacoma-Pierce County 11/28/12 5/29/13
78 FR 32131 (PDF)		  
Tacoma-Pierce County Approval of Motor Vehicle Emission Budgets and Determination of Attainment for the 2006 24-Hour Fine Particulate Standard (PM2.5) Tacoma-Pierce County 11/28/12 9/19/13
78 FR 57503 (PDF)		  
Tacoma-Pierce County Particulate Matter (PM2.5) Maintenance Plan Tacoma-Pierce County 11/03/14 2/10/15
80 FR 7347 (PDF)		  
Visibility and Regional Haze Plans
Visibility New Source Review (NSR) for non-attainment areas for Washington Statewide   6/26/86
51 FR 23228 (PDF)		  

Washington State Visibility Protection Program

1998 Washington Dept. of Natural Resources Smoke Management Plan (PDF)(106 pp, 832 K)

 Statewide 11/5/99 6/11/03
68 FR 34821 (PDF)		  
Regional Haze State Implementation Plan—TransAlta BART Statewide 12/29/11 12/6/12
77 FR 72742 (PDF)		  
Regional Haze SIP Statewide 12/22/10 6/11/14
79 FR 33438 (PDF)		 The Regional Haze SIP including those provisions relating to BART incorporated by reference in §52.2470 `Identification of plan' with the exception of the BART provisions that are replaced with a BART FIP in §52.2498 Visibility protection., §52.2500 Best available retrofit technology requirements for the Intalco Aluminum Corporation (Intalco Works) primary aluminum plant—Better than BART Alternative., §52.2501 Best available retrofit technology (BART) requirement for the Tesoro Refining and Marketing Company oil refinery—Better than BART Alternative., §52.2502 Best available retrofit technology requirements for the Alcoa Inc.—Wenatchee Works primary aluminum smelter.
Regional Haze SIP—Technical Correction Statewide 12/22/10 11/24/14
79 FR 69767 (PDF)		  
Regional Haze State Implementation Plan—BP Cherry Point Refinery BART Revision. Statewide 5/14/15 2/16/16
81 FR 7710 (PDF)		  
Regional Haze Progress Report Statewide 11/6/17 7/31/18
83 FR 36752 (PDF)		  
Smoke Management Planning
Department of Natural Resources 2022 Smoke Management Plan. Statewide 8/10/22 8/10/2023
88 FR 54240 (PDF)		  
110(a)(2) Infrastructure and Interstate Transport
Interstate Transport for the 1997 8-Hour Ozone and PM2.5NAAQS Statewide 1/17/07 1/13/09
74 FR 1591 (PDF)		  
110(a)(2) Infrastructure Requirements—1997 Ozone Standard Statewide 1/24/12 5/24/12
77 FR 30902 (PDF)		  
110(a)(2) Infrastructure Requirements—2008 Lead Standard Statewide 4/14/14 7/23/14
79 FR 42683 (PDF)		 This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
110(a)(2) Infrastructure Requirements—2008 Ozone and 2010 Nitrogen Dioxide Standards Statewide 9/22/14 1/14/15
80 FR 1849 (PDF)		 This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
110(a)(2) Infrastructure Requirements—1997, 2006, and 2012 Fine Particulate Matter (PM2.5) Standards Statewide 9/22/14 5/12/15
80 FR 27102 (PDF)		 This action addresses the following CAA elements: 110(a)(2)(A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L), and (M).
Interstate Transport for the 2008 Pb and 2010 NO2 NAAQS Statewide 5/11/15 7/16/15
80 FR 42042 (PDF)		 This action addresses CAA 110(a)(2)(D)(i)(I).
Interstate Transport for the 2006 24-hour PM2.5 NAAQS Statewide 5/11/15 7/30/15
80 FR 45429 (PDF)		 This action addresses CAA 110(a)(2)(D)(i)(I).
Interstate Transport for the 2008 Ozone NAAQS Statewide 5/11/15 12/15/15
80 FR 77578 (PDF)		 This action addresses CAA 110(a)(2)(D)(i)(I).
Interstate Transport for the 2012 PM2.5 NAAQS Statewide 2/7/18 8/20/18
83 FR 42031 (PDF)		  
Interstate Transport for the 2015
Ozone NAAQS		 Statewide 2/7/18 9/20/2018
83 FR 47568 (PDF)		 This action addresses CAA
110(a)(2)(D)(i)(I).
110(a)(2) Infrastructure Requirements—
Sulfur Dioxide Standards
and 2015 Ozone Standards		 Statewide 9/30/19 and 4/3/20 2/18/2021
86 FR 10022 (PDF)		 This action addresses the following CAA section 110(a)(2) elements: (A), (B), (C), (D)(i)(II), (D)(ii), (E), (F), (G), (H), (J), (K), (L),
and (M).
Interstate Transport for the 2010 SO2
NAAQS		 Statewide 2/7/18 2/18/2021
86 FR 10015 (PDF)		 This action addresses CAA
110(a)(2)(D)(i)(I).
Other Federally Mandated Plans
Oxygenated Gasoline Program   1/22/93 1/20/94
59 FR 2994 (PDF)		  
Business Assistance Program   11/16/92 3/8/95
60 FR 12685 (PDF)		  
Supplementary Documents
Air Quality Monitoring, Data Reporting and Surveillance Provisions   3/5/80 4/15/81
46 FR 21994 (PDF)		  
Energy Facilities Site Evaluation Council (EFSEC) Memorandum of Agreement   7/30/80 2/23/82
47 FR 7837 (PDF)		  
2003 Columbia Plateau Windblown Dust Natural Events Action Plan (PDF)   11/22/19 5/1/20
85 FR 25303 (PDF)		  
2018 Fugitive Dust Control Guidelines for Beef Cattle Feedlots and Best Management Practices (PDF)   11/22/19 5/1/20
85 FR 25303 (PDF)		  

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Last updated on February 11, 2025