Washington SIP: EPA Approved Regulations (Table 5 - Northwest Clean Air Agency)

Latest EPA Action: June 15, 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

[Applicable in Island, Skagit and Whatcom counties, excluding facilities subject to Energy Facilities Site Evaluation Council (EFSEC) jurisdiction; facilities subject to the Washington Department of Ecology’s direct jurisdiction under Chapters 173–405, 173–410, and 173–415 Washington Administrative Code (WAC); Indian reservations; any other area where the EPA or an Indian tribe has demonstrated that a tribe has jurisdiction and the Prevention of Significant Deterioration (PSD) permitting of facilities subject to the applicability sections of WAC 173–400–700.]

40 CFR part 52.2470(c)
Table 5 - Additional Regulations Approved for the Northwest Clean Air Agency (NWCAA) Jurisdiction
State/local
citation		 Title/subject State/local
effective
date		 EPA approval date Explanations
Northwest Clean Air Agency Regulations
General Provisions
100 Name of Agency 8/21/05

6/15/20
85 FR 36154 (PDF)

  
101 Short Title 8/21/05 6/15/20
85 FR 36154 (PDF)		  
102 Policy 8/21/05 6/15/20
85 FR 36154 (PDF)		 Except provisions outside the scope of CAA section 110. Replaces WAC 173-400-010.
121 Orders 9/8/93 2/22/95
60 FR 9778 (PDF)		  
150 Pollutant Disclosure—Reporting by Air Containment Sources 9/8/93 2/22/95
60 FR 9778 (PDF)		  
180 Sampling and Analytical Methods/References 9/8/93 2/22/95
60 FR 9778 (PDF)		  
Definitions
200 Definitions 5/12/19 6/15/20
85 FR 36154 (PDF)		 Except the definitions Toxic Air Pollutant, Odor, and Odor Source. Generally replaces WAC 173-400-030. However, for definitions not included in section 200, the WAC 173-400-030 definitions in this table 5 shall apply.
Control Procedures
300 New Source Review 5/12/19 6/15/20
85 FR 36154 (PDF)		 Except subsections 300.8(C), 300.25, or any provisions related to the regulation of Toxic Air Pollutants. Replaces WAC 173-400-036, 173-400-110, 173-400-111, 173-400-113, and 173-400-560, except certain subsections of WAC 173-400-111 and 173-400-113 listed in this table 5.
305 Public Involvement 5/12/19 6/15/20
85 FR 36154 (PDF)		 Except provisions related to the regulation of Toxic Air Pollutants. Replaces WAC 173-400-171 and WAC 173-400-175, except subsection 173-400-171(6)(b).
320 Registration Required 5/12/19 6/15/20
85 FR 36154 (PDF)		 Except subsection 320.3 and provisions related to the regulation of Toxic Air Pollutants or odor.
321 Exemptions from Registration 5/12/19 6/15/20
85 FR 36154 (PDF)		 Except subsection 321.3.
324 Fees 11/13/94 10/24/95
60 FR 54439 (PDF)		 Except section 324.121.
325 Transfer 9/8/93 2/22/95
60 FR 9778 (PDF)		  
340 Report of Breakdown and Upset 11/13/94 10/24/95
60 FR 54439 (PDF)		  
341 Schedule Report of Shutdown or Start-Up 9/8/93 2/22/95
60 FR 9778 (PDF)		  
342 Operation and Maintenance 9/8/93 2/22/95
60 FR 9778 (PDF)		  
360 Testing and Sampling 9/8/93 2/22/95
60 FR 9778 (PDF)		  
365 Monitoring 9/8/93 2/22/95
60 FR 9778 (PDF)		  
366 Instrument Calibration 9/8/93 2/22/95
60 FR 9778 (PDF)		  
Standards
450 Emission Standards—Forward 9/8/93 2/22/95
60 FR 9778 (PDF)		  
451 Emission of Air Contaminant—Visual Standards 11/13/94 10/24/95
60 FR 54439 (PDF)		  
452 Motor Vehicle Visual Standards 9/8/93 2/22/95
60 FR 9778 (PDF)		 Except section 452.5.
455 Emission of Particulate Matter 9/8/93 2/22/95
60 FR 9778 (PDF)		  
458 Incinerators—Wood Waste Burners 9/8/93 2/22/95
60 FR 9778 (PDF)		  
460 Weight/Heat Rate Standard—Emission of Sulfur Compounds 9/8/93 2/22/95
60 FR 9778 (PDF)		  
462 Emission of Sulfur Compounds 11/13/94 10/24/95
60 FR 54439 (PDF)		  
466 Portland Cement Plants 9/8/93 2/22/95
60 FR 9778 (PDF)		  
Regulated Activities and Prohibitions
510 Incinerator Burning 9/8/93 2/22/95
60 FR 9778 (PDF)		  
520 Sulfur Compounds in Fuel 9/8/93 2/22/95
60 FR 9778 (PDF)		  
550 Particulate Matter from Becoming Airborne 9/8/93 2/22/95
60 FR 9778 (PDF)		  
560 Storage of Organic Liquids 9/8/93 2/22/95
60 FR 9778 (PDF)		  
580 Volatile Organic Compound Control (VOC) 11/13/94 10/24/95
60 FR 54439 (PDF)		  
Washington Department of Ecology Regulations
Washington Administrative Code, Chapter 173-400—General Regulations for Air Pollution Sources
173-400-020 Applicability 12/29/12 6/15/20
85 FR 36154 (PDF)		  
173-400-025 Adoption of Federal Rules 9/16/18 6/15/20
85 FR 36154 (PDF)		 Only as it applies to cross references in the WAC.
173-400-030 Definitions 9/16/18 6/15/20
85 FR 36154 (PDF)		 Except: 173-400-030(6); 173-400-030(32); 173-400-030(38); 173-400-030(45); 173-400-030(83); 173-400-030(89); 173-400-030(96); 173-400-030(97); 173-400-030(100); 173-400-030(103); 173-400-030(104); or any definition included in NWCAA section 200.
173-400-040 General Standards for Maximum Emissions 3/22/91 6/2/95
60 FR 28726 (PDF)		 Except (1)(c), and (1)(d), (2), (4), and the 2nd paragraph of (6).
173-400-050 Emission Standards for Combustion and Incineration Units 9/16/18 6/15/20
85 FR 36154 (PDF)		 Except: 173-400-050(2); 173-400-050(4); 173-400-050(5); 173-400-050(6).
173-400-060 Emission Standards for General Process Units 11/25/18 6/15/20
85 FR 36154 (PDF)		  
173-400-070 Emission Standards for Certain Source Categories 3/22/91 6/2/95
60 FR 28726 (PDF)		 Except (7).
173-400-081 Startup and Shutdown 9/20/93 6/2/95
60 FR 28726 (PDF)		  
173-400-091 Voluntary Limits on Emissions 4/1/11 6/15/20
85 FR 36154 (PDF)		 9/20/93 version continues to be approved under the authority of CAA Section 112(l) with respect to Section 112 hazardous air pollutants. See the Federal Register of June 2, 1995.
173-400-105 Records, Monitoring and Reporting 9/20/93 6/2/95
60 FR 28726 (PDF)		  
173-400-107 Excess Emissions 9/20/93 6/2/95
60 FR 28726 (PDF)		  
173-400-111 Processing Notice of Construction Applications for Sources, Stationary Sources and Portable Sources 7/1/16 6/15/20
85 FR 36154 (PDF)		 Only subsections (1)(c), (1)(d), (5)(b), and (7)(b), otherwise NWCAA section 300 applies.
173-400-112 Requirements for New Sources in Nonattainment Areas - Review for Compliance with Regulations 12/29/12 6/15/20
85 FR 36154 (PDF)		 The cross reference to WAC 173-400-113(3) is interpreted to be NWCAA section 300.9(B)(3).
173-400-113 New Sources in Attainment or Unclassifiable Areas - Review for Compliance with Regulations 12/29/12 6/15/20
85 FR 36154 (PDF)		 Only subsection (4), otherwise NWCAA section 300 applies.
173-400-117 Special Protection Requirements for Federal Class I Areas 12/29/12 6/15/20
85 FR 36154 (PDF)		  
173-400-118 Designation of Class I, II, and III Areas 12/29/12 6/15/20
85 FR 36154 (PDF)		  
173-400-131 Issuance of Emission Reduction Credits 4/1/11 6/15/20
85 FR 36154 (PDF)		  
173-400-136 Use of Emission Reduction Credits (ERC) 4/1/11 6/15/20
85 FR 36154 (PDF)		  
173-400-151 Retrofit Requirements for Visibility Protection 2/10/05 6/15/20
85 FR 36154 (PDF)		  
173-400-161 Compliance Schedules 3/22/91 6/2/95
60 FR 28726 (PDF)		  
173-400-171 Public Notice and Opportunity for Public Comment 9/16/18 6/15/20
85 FR 36154 (PDF)		 Only subsection (6)(b), otherwise NWCAA section 305 applies.
173-400-190 Requirements for Nonattainment Areas 3/22/91 6/2/95
60 FR 28726 (PDF)		  
173-400-200 Creditable Stack Height and Dispersion Techniques 2/10/05 6/15/20
85 FR 36154 (PDF)		  
173-400-205 Adjustment for Atmospheric Conditions 3/22/91 6/2/95
60 FR 28726 (PDF)		  
173-400-210 Emission Requirements of Prior Jurisdictions 3/22/91 6/2/95
60 FR 28726 (PDF)		  
173-400-800 Major Stationary Source and Major Modification in a Nonattainment Area 4/1/11 6/15/20
85 FR 36154 (PDF)		 EPA did not review WAC 173-400-800 through 860 for consistency with the August 24, 2016 PM2.5 implementation rule (see the Federal Register of August 24, 2016); nor does NWCAA have an obligation to submit rule revisions to address the 2016 PM2.5 implementation rule at this time.
173-400-810 Major Stationary Source and Major Modification Definitions 7/1/16 6/15/20
85 FR 36154 (PDF)		  
173-400-820 Determining if a New Stationary Source or Modification to a Stationary Source is Subject to these Requirements 12/29/12 6/15/20
85 FR 36154 (PDF)		  
173-400-830 Permitting Requirements 7/1/16 6/15/20
85 FR 36154 (PDF)		  
173-400-840 Emission Offset Requirements 7/1/16 6/15/20
85 FR 36154 (PDF)		  
173-400-850 Actual Emissions Plantwide Applicability Limitation (PAL) 7/1/16 6/15/20
85 FR 36154 (PDF)		  
173-400-860 Public Involvement Procedures 4/1/11 6/15/20
85 FR 36154 (PDF)		  

Full Text of Approved Rules

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Last updated on February 11, 2025