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  1. Home
  2. Air Quality Implementation Plans

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.


  • Table 1 - Approved but Not Incorporated by Reference Regulations
  • Table 2 - Attainment, Maintenance, and Other Plans
  • Full Text of EPA Approved Rules for Table 1
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) (127 KB)
 
173-400-230 Regulatory Actions 3/20/93 6/2/95
60 FR 28726 (pdf) (127 KB)
 
173-400-240 Criminal Penalties 3/22/91 6/2/95
60 FR 28726 (pdf) (127 KB)
 
173-400-250 Appeals 9/20/93 6/2/95
60 FR 28726 (pdf) (127 KB)
 
173-400-260 Conflict of Interest 07/01/16
10/6/16

81 FR 69385 (pdf) (233 KB)

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

58 FR 4578

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

82 FR 24531 (pdf) (253 KB)

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

82 FR 24531 (pdf) (253 KB)

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

82 FR 24531 (pdf) (253 KB)

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

82 FR 24531 (pdf) (253 KB)

 
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) (243 KB)
 
2.02 Requirements for Board of Directors Members 12/11/14 11/17/15
80 FR 71695 (pdf) (243 KB)
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) (243 KB)
 
2.04 Powers and Duties of the Control Officer 12/11/14 11/17/15
80 FR 71695 (pdf) (243 KB)
 
2.05 Severability 12/11/14 11/17/15
80 FR 71695 (pdf) (243 KB)
 
2.06 Confidentiality of Records and Information 12/11/14 11/17/15
80 FR 71695 (pdf) (243 KB)
 
Northwest Clean Air Agency Regulations
103 Duties and Powers 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
105 Separability 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
110 Investigation and Studies 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
111 Interference or Obstruction 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
112 False and Misleading Oral Statement: Unlawful Reproduction or Alteration of Documents 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
113 Service of Notice 12/22/07 6/15/20
85 FR 36154 (pdf) (285 KB)
 
114

Confidential Information

12/22/07 6/15/20
85 FR 36154 (pdf) (285 KB)
 
120 Hearings 12/22/07 6/15/20
85 FR 36154 (pdf) (285 KB)
 
123 Appeal of Orders 4/14/13 6/15/20
85 FR 36154 (pdf) (285 KB)
 
124 Display of Orders, Certificates and Other Notices: Removal or Mutilation Prohibited 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
131 Notice to Violators 4/14/13 6/15/20
85 FR 36154 (pdf) (285 KB)
 
132 Criminal Penalty 9/13/15 6/15/20
85 FR 36154 (pdf) (285 KB)
 
133 Civil Penalty 9/13/15 6/15/20
85 FR 36154 (pdf) (285 KB)
 
134 Restraining Orders - Injunction 8/21/05 6/15/20
85 FR 36154 (pdf) (285 KB)
 
135

Assurance of Discontinuance

12/22/07 6/15/20
85 FR 36154 (pdf) (285 KB)
 
303 Work Done Without an Approval 5/12/19 6/15/20
85 FR 36154 (pdf) (285 KB)
 
Olympic Region Clean Air Agency Regulations
8.1.6 Penalties 5/22/10 10/3/13
78 FR 61188 (pdf) (240 KB)
 
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) (257 KB)
 
3.05 Investigations by the Control Officer 3/17/94 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.07 Compliance Tests 5/1/06 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.09 Violations—Notice 9/12/91 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.11 Civil Penalties 11/1/19 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.13 Criminal Penalties 9/12/91 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.15 Additional Enforcement 9/12/91 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.17 Appeal of Orders 11/14/98 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.19 Confidential Information 9/12/91 4/22/20
85 FR 22355 (pdf) (257 KB)
 
3.21 Separability 9/12/91 4/22/20
85 FR 22355 (pdf) (257 KB)
 
Southwest Clean Air Agency Regulations
400-220 Requirements for Board Members 3/18/01 04/10/17
82 FR 17136 (pdf) (248 KB)
 
400-230 Regulatory Actions and Civil Penalties 9/10/21 9/29/23
88 FR 67097 (pdf) (271 KB)
 
400-240 Criminal Penalties 9/10/21 9/29/23
88 FR 67097 (pdf) (271 KB)
 
400-250 Appeals 11/9/03 04/10/17
82 FR 17136 (pdf) (248 KB)
 
400-270 Confidentiality of Records and Information 9/10/21 9/29/23
88 FR 67097 (pdf) (271 KB)
 
400-280 Powers of Agency 9/10/21 9/29/23
88 FR 67097 (pdf) (271 KB)
 
Spokane Regional Clean Air Agency Regulations
2.01 Powers and Duties of the
Board
09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
 
2.02 Control Officer’s Duties
and Powers
09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
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) (309 KB)
 
2.04 Violations 09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
Replaces WAC 173–400–230(1)&(6).
2.05 Orders and Hearings 09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
 
2.06 Appeal of Board Orders 09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
Replaces WAC 173–400–250.
2.10 Severability 09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
 
2.11 Penalties, Civil Penalties,
and Additional Means
for Enforcement
09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
Replaces WAC 173–400–230(2)&(3).
2.12 Restraining Orders—Injunctions. 09/01/20 5/10/21
86 FR 24718 (pdf) (309 KB)
Replaces WAC 173–400–230(4).
8.11 Regulatory Actions and Penalties 09/02/14 09/28/15
80 FR 58216 (pdf) (219 KB)
 
Yakima Regional Clean Air Agency Regulations
1.05 Roles and Responsibilities 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 
2.01 Authority and Investigation 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 
2.02 Authority to Collect Fees 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 
2.05 Appeals 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 
5.01 General Information 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 
5.02 Additional or Alternative Enforcement Actions 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 
5.03 Penalties 11/09/20 7/11/22
87 FR 41064 (pdf) (308 KB)
 

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) (56.6 MB)
 
Puget Sound Carbon Monoxide Attainment Plan Puget Sound 1/22/93 1/20/94
59 FR 2994 (pdf) (29.4 KB)
 
Spokane Carbon Monoxide Attainment Plan Spokane 1/22/93 1/20/94
59 FR 2994 (pdf) (29.4 KB)
 
Vancouver Carbon Monoxide Attainment Plan Vancouver 1/22/93 1/20/94
59 FR 2994 (pdf) (29.4 KB)
 
Vancouver Carbon Monoxide Attainment Plan—Contingency Measure Vancouver 11/10/93 10/31/94
59 FR 54419 (pdf) (12.6 KB)
 
Puget Sound Carbon Monoxide Attainment Plan - VMT Supplement Puget Sound 1/22/93 8/23/95
60 FR 43710 (pdf) (127 KB)
 
Puget Sound Carbon Monoxide Maintenance Plan Puget Sound 2/29/96 10/11/96
61 FR 53323 (pdf) (140 KB)
 
Vancouver Carbon Monoxide Maintenance Plan Vancouver 3/19/96 10/21/96
61 FR 54560 (pdf) (126 KB)
 
Spokane Carbon Monoxide Attainment Plan—Revisions Spokane 9/14/93;
4/30/96
9/22/97
62 FR 49442 (pdf) (119 KB)
 
Spokane Carbon Monoxide Attainment Plan—Correction Spokane   12/31/97
62 FR 68187 (pdf) (116 KB)
 
Yakima Carbon Monoxide Maintenance Plan Yakima 9/26/01 11/01/02
67 FR 66555 (pdf) (155 KB)
 
Puget Sound Carbon Monoxide Maintenance Plan 10-Year Update Puget Sound 12/17/03;
6/3/19
8/5/04
69 FR 47365 (pdf) (143 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (143 KB)
 
Spokane Carbon Monoxide Maintenance Plan Spokane 11/29/04 6/29/05
70 FR 37269 (pdf) (160 KB)
 
Vancouver Carbon Monoxide Maintenance Plan 10-Year Update Vancouver 4/25/07;
6/3/19
6/27/08
73 FR 36439 (pdf) (160 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (223 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (49.9 MB)
 
Attainment and Maintenance Planning—Ozone
Ozone Attainment Plan Vancouver 7/16/82 12/17/82
47 FR 56497 (pdf) (43.8 MB)
 
Ozone Attainment Plan Seattle-Tacoma 7/16/82 2/28/83
48 FR 8273 (pdf) (27.9 MB)
 
Ozone Attainment Plan—VOC RACT Seattle-Tacoma 5/14/91 7/12/93
58 FR 37426
 
Ozone Attainment Plan—VOC RACT Vancouver 5/14/91 7/12/93
58 FR 37426
 
Ozone Attainment Plan—Emission Statement Program Seattle-Tacoma 1/28/93 9/12/94
59 FR 46764 (pdf) (16.4 KB)
 
Ozone Attainment Plan—Emission Statement Program Vancouver 1/28/93 9/12/94
59 FR 46764 (pdf) (16.4 KB)
 
Seattle-Tacoma Ozone Maintenance Plan Seattle-Tacoma 3/4/96 9/26/96
61 FR 50438 (pdf) (189 KB)
 
Vancouver Ozone Maintenance Plan Vancouver 6/13/96 5/19/97
62 FR 27204 (pdf) (141 KB)
 
Seattle-Tacoma Ozone Maintenance Plan 10-Year Update Seattle-Tacoma 12/17/03 8/5/04
69 FR 47365 (pdf) (143 KB)
 
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) (248 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (242 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (3.6 MB)
 
Thurston County Particulate Matter (PM10) Attainment Plan Thurston County 2/17/89
and 11/15/91
7/27/93
58 FR 40056 (pdf) (4.1 MB)
 
Tacoma Particulate Matter (PM10) Attainment Plan Tacoma 5/2/95 10/25/95
60 FR 54559 (pdf) (124 KB)
 
Seattle Particulate Matter (PM10) Attainment Plan Seattle 2/21/95 10/26/95
60 FR 54812 (pdf) (137 KB)
 
Spokane Particulate Matter (PM10) Attainment Plan Spokane 12/9/94 1/27/97
62 FR 3800 (pdf) (131 KB)
 
Wallula Particulate Matter (PM10) Attainment Plan Wallula 11/13/91 1/27/97
62 FR 3800 (pdf) (131 KB)
 
Yakima Particulate Matter (PM10) Attainment Plan Yakima 3/24/89 2/2/98
63 FR 5269 (pdf) (126 KB)
 
Thurston County Particulate Matter (PM10) Maintenance Plan Thurston County 8/16/99 10/4/00
65 FR 59128 (pdf) (239 KB)
 
Kent Particulate Matter (PM10) Maintenance Plan Kent 8/23/99 3/13/01
66 FR 14492 (pdf) (160 KB)
 
Seattle Particulate Matter (PM10) Maintenance Plan Seattle 8/23/99 3/13/01
66 FR 14492 (pdf) (160 KB)
 
Tacoma Particulate Matter (PM10) Maintenance Plan Tacoma 8/23/99 3/13/01
66 FR 14492 (pdf) (160 KB)
 
Yakima Particulate Matter (PM10) Maintenance Plan Yakima 7/8/04 2/8/05
70 FR 6591 (pdf) (148 KB)
 
Wallula Particulate Matter (PM10) Attainment Plan - Revision Wallula 11/30/04 5/2/05
70 FR 22597 (pdf) (149 KB)
 
Spokane Particulate Matter (PM10) Maintenance Plan Spokane 11/30/04 7/1/05
70 FR 38029 (pdf) (182 KB)
 
Wallula Particulate Matter (PM10) Maintenance Plan Wallula 3/29/05 8/26/05
70 FR 50212 (pdf) (150 KB)
 
Thurston County Particulate Matter (PM10) 2nd 10-year Limited Maintenance Plan Thurston County 7/1/13 10/3/13
78 FR 61188 (pdf) (240 KB)
 
Kent Particulate Matter (PM10) 2nd 10-Year Limited Maintenance Plan Kent 11/29/13 8/20/14
79 FR 49244 (pdf) (286 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (286 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (286 KB);
2/18/21
86 FR 10026 (pdf) (240 KB)
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) (237 KB)
 
Wallula Particulate Matter (PM10) 2nd 10-Year Maintenance Plan Wallula 11/22/19 5/1/20
85 FR 25303 (pdf) (262 KB)
 
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) (233 KB)
 
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) (238 KB)
 
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) (238 KB)
 
Tacoma-Pierce County Particulate Matter (PM2.5) Maintenance Plan Tacoma-Pierce County 11/03/14 2/10/15
80 FR 7347 (pdf) (261 KB)
 
Visibility and Regional Haze Plans
Visibility New Source Review (NSR) for non-attainment areas for Washington Statewide   6/26/86
51 FR 23228 (pdf) (48.4 MB)
 

Washington State Visibility Protection Program

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

Statewide 11/5/99 6/11/03
68 FR 34821 (pdf) (145 KB)
 
Regional Haze State Implementation Plan—TransAlta BART Statewide 12/29/11 12/6/12
77 FR 72742 (pdf) (238 KB)
 
Regional Haze SIP Statewide 12/22/10 6/11/14
79 FR 33438 (pdf) (364 KB)
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) (240 KB)
 
Regional Haze State Implementation Plan—BP Cherry Point Refinery BART Revision. Statewide 5/14/15 2/16/16
81 FR 7710 (pdf) (236 KB)
 
Regional Haze Progress Report Statewide 11/6/17 7/31/18
83 FR 36752 (pdf) (227 KB)
 
Smoke Management Planning
Department of Natural Resources 2022 Smoke Management Plan. Statewide 8/10/22 8/10/2023
88 FR 54240 (pdf) (230 KB)
 
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) (149 KB)
 
110(a)(2) Infrastructure Requirements—1997 Ozone Standard Statewide 1/24/12 5/24/12
77 FR 30902 (pdf) (233 KB)
 
110(a)(2) Infrastructure Requirements—2008 Lead Standard Statewide 4/14/14 7/23/14
79 FR 42683 (pdf) (234 KB)
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) (236 KB)
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) (270 KB)
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) (232 KB)
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) (253 KB)
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) (222 KB)
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) (239 KB)
 
Interstate Transport for the 2015
Ozone NAAQS
Statewide 2/7/18 9/20/2018
83 FR 47568 (pdf) (234 KB)
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) (242 KB)
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) (233 KB)
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) (29.4 KB)
 
Business Assistance Program   11/16/92 3/8/95
60 FR 12685 (pdf) (128 KB)
 
Supplementary Documents
Air Quality Monitoring, Data Reporting and Surveillance Provisions   3/5/80 4/15/81
46 FR 21994 (pdf) (28.9 MB)
 
Energy Facilities Site Evaluation Council (EFSEC) Memorandum of Agreement   7/30/80 2/23/82
47 FR 7837 (pdf) (46 MB)
 
2003 Columbia Plateau Windblown Dust Natural Events Action Plan (pdf) (625 KB)   11/22/19 5/1/20
85 FR 25303 (pdf) (262 KB)
 
2018 Fugitive Dust Control Guidelines for Beef Cattle Feedlots and Best Management Practices (pdf) (205 KB)   11/22/19 5/1/20
85 FR 25303 (pdf) (262 KB)
 

Full Text of Approved Rules

  • Table 1 - Approved But Not Incorporated By Reference Regulations (pdf) (561.58 KB, Updated as of September 29, 2023)
    Full text of IBR'd regulations for 40 CFR Part 52.2470(e) Table 1.

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