Washington Administrative Code

(1) Surface emissions monitoring: The owner or operator of a MSW landfill with a gas collection and control system must conduct quarterly instantaneous or integrated surface monitoring of the entire landfill surface according to this subsection and the procedures in WAC 173-408-1…

(1) Hydrocarbon detector specifications: Any instrument used for the measurement of methane must be a hydrocarbon detector or other equivalent instrument approved by the department or local authority that meets the following calibration, specifications, and performance criteria, …

(1) The owner or operator of a MSW landfill, or third-party owner or operator, may request alternatives to the compliance measures, monitoring requirements, and test methods and procedures set forth in WAC 173-408-080, 173-408-110, and 173-408-120. Any alternatives requested by t…

Any communications, submittals, or requests required by this chapter must be in a format acceptable to the department or the local authority, as applicable.[Statutory Authority: Chapter 70A.540 RCW. WSR 24-11-052 (Order 22-15), § 173-408-140, filed 5/13/24, effective 6/13/24.]

Any application form, report, compliance certification, or other information submitted pursuant to this chapter shall contain the following written certifications made and signed by the person making the submission:(1) "I certify under penalty of perjury under the laws of the sta…

(1) The owner or operator of a MSW landfill, or a third-party owner or operator, must maintain records as prescribed in this subsection. The records must be provided by the owner or operator to the department or local authority within five business days of a request. Records desc…

The owner or operator of a MSW landfill must prepare and submit reports as prescribed in this section. Reports required by this subsection must be retained in the operating record required by WAC 173-351-200 (10)(a).(1) Initial waste in place report: Each owner or operator of a M…

(1) Any person who violates any requirement of chapter 70A.540 RCW or this chapter may incur a civil penalty of up to $10,000 per day for each violation, pursuant to RCW 70A.15.3160.(2) The department will waive penalties under RCW 70A.15.3160, in accordance with this subsection,…

If any provision of this chapter or its application is held invalid, the remainder of the chapter or application of the provision is not affected.[Statutory Authority: Chapter 70A.540 RCW. WSR 24-11-052 (Order 22-15), § 173-408-190, filed 5/13/24, effective 6/13/24.]

1.0 Calculate Heat Input CapacityEquation 1 Where: Collection Efficiency=The landfill gas collection efficiency in percent (%), which is 75 percent. GHV (Gross Heating Value)=Gross heating value of methane, which is 1,0121 in units of British thermal units per standard cubic feet…

OTM-51 – UAS Application of Method 21 for Surface Emission Monitoring of Landfills.1.0 Background on OTM-51This method provides procedures for use of unmanned aerial systems (UAS) to perform surface emissions monitoring for MSW landfills. This method was submitted by Sniffer Robo…

These rules are enacted under the provisions of the Washington Clean Air Act as amended (RCW 70.94.395) to:(1) Assume state jurisdiction over emissions from sulfite pulping mills to provide for the systematic control of air pollution in this industry and for the proper developmen…

The definitions of terms contained in chapter 173-400 WAC are incorporated into this chapter by reference. Unless a different meaning is clearly required by context, the following words and phrases as used in this chapter, shall have the following meanings:(1) "Acid plant" means …

The provisions of WAC 173-400-075 "Emission standards for sources emitting hazardous air pollutants" shall apply to all sources to which this chapter is applicable.[Statutory Authority: Chapter 70.94 RCW. WSR 91-05-064 (Order 90-06), § 173-410-035, filed 2/19/91, effective 3/22/9…

In addition to the general applicability of chapters 173-400 and 173-490 WAC to all emission sources; no sulfite pulping mill shall cause or permit air contaminant emissions in excess of the limits listed below. Specific emission standards listed in this chapter will take precede…

The provisions of WAC 173-400-200 shall apply to all sources to which this chapter is applicable.[Statutory Authority: Chapter 70.94 RCW. WSR 91-05-064 (Order 90-06), § 173-410-045, filed 2/19/91, effective 3/22/91. Statutory Authority: Chapters 70.94 and 43.21A RCW. WSR 88-01-05…

Each mill shall conduct routine monitoring of emissions in accordance with a program that has been approved by ecology. Facilities shall report results of monitoring monthly within fifteen days of the end of each calendar month. Facilities shall submit source testing results with…

The provisions of WAC 173-400-107, or 173-400-108 and 173-400-109 shall apply to all sources to which this chapter is applicable.Note:WAC 173-400-107 is in effect until the effective date of EPA's removal of the provision from the SIP.[Statutory Authority: Chapter 70.94 RCW and R…

The provisions of WAC 173-400-105(1) shall apply to all sources to which this chapter is applicable.[Statutory Authority: Chapter 70.94 RCW. WSR 91-05-064 (Order 90-06), § 173-410-071, filed 2/19/91, effective 3/22/91. Statutory Authority: Chapters 43.21A and 70.94 RCW. WSR 89-02…

The provisions of WAC 173-400-110 through 173-400-114 shall apply to all new sources and emissions units to which this chapter is applicable.[Statutory Authority: Chapter 70.94 RCW and RCW 70.94.395. WSR 19-10-028 (Order 18-03), § 173-410-086, filed 4/23/19, effective 5/24/19. St…

The provisions of WAC 173-400-700 through 173-400-750 shall apply to all new major sources and major modifications to which this chapter is applicable.[Statutory Authority: Chapter 70.94 RCW and RCW 70.94.395. WSR 19-10-028 (Order 18-03), § 173-410-087, filed 4/23/19, effective 5…

Ecology may require such additional special studies relevant to process emissions and establish completion dates as it finds necessary.[Statutory Authority: Chapter 70.94 RCW. WSR 91-05-064 (Order 90-06), § 173-410-100, filed 2/19/91, effective 3/22/91.]

These rules are enacted under the provisions of the Washington Clean Air Act as amended (RCW 70.94.395) to:(1) Assume state jurisdiction over emissions from primary aluminum reduction plants to provide for the systematic control of air pollution in this industry and for the prope…

(1) In addition to the general applicability of chapter 173-400 WAC to all emission sources, all primary aluminum reduction plants are required to meet the emissions standards of this chapter. Specific emissions standards and requirements listed in this chapter shall supersede th…

The definitions of terms contained in chapter 173-400 WAC are incorporated into this chapter by reference. Unless a different meaning is clearly required by context, the following words and phrases as used in this chapter shall have the following meanings:(1) "Ecology" means the …

(1) Fluoride.(a) The emission of total fluorides from a primary aluminum reduction plant shall meet the requirements in 40 C.F.R. 63 Subpart LL.(b) In addition to meeting the requirements in (a) of this subsection, the emission of fluorides from a primary aluminum reduction plant…

(1) When requested by ecology, each primary aluminum reduction plant shall conduct routine monitoring of emissions, ambient air, and forage in accordance with a program that has been approved by ecology. Facilities shall report results of monitoring monthly within thirty days of …

The applicable provisions of WAC 173-400-107, or 173-400-108 and 173-400-109 shall apply to all sources to which this chapter is applicable.Note:WAC 173-400-107 is in effect until the effective date of EPA's removal of the provision from the SIP.[Statutory Authority: Chapter 70.9…

This chapter shall be known as the "Washington State Clean Air Conformity Act" hereinafter as "this chapter."[Statutory Authority: Chapter 70.94 RCW and RCW 70.94.037. WSR 93-04-006 (Order 92-07), § 173-420-010, filed 1/22/93, effective 2/22/93.]

This chapter implements RCW 70.94.037 of the Washington Clean Air Act (chapter 70.94 RCW). The law requires the departments of ecology and transportation to develop criteria and guidance for demonstrating and assuring conformity of transportation plans, programs, and projects to …

(1) Conformity determinations shall be made for the adoption, acceptance, approval, funding, or support of all transportation plans, improvement programs, and projects located in or affecting nonattainment and maintenance areas for any criteria pollutants.(2) Regional transportat…

The following definitions will apply unless a different meaning is clearly required by context:"Criteria pollutants" means air pollutants for which a NAAQS has been promulgated under the federal Clean Air Act (40 C.F.R. 50) and their precursors and, for this chapter, applies only…

(1) Conformity review will include transportation plans, improvement programs, and projects on the regional transportation system. The review utilizes requirements from the federal Clean Air Act, the Washington Clean Air Act (chapter 70.94 RCW), the Growth Management Act (GMA) (c…

(1) Until EPA redesignates a nonattainment area to an attainment area the status of the applicable SIP shall have the following impact on the conformity of plans, TIPs and projects:(2) If the applicable SIP is not submitted by the deadline for submittal:(a) Four months after the …

(1) Transportation plans, improvement programs, and projects shall meet the purpose and intent of the current SIP of eliminating or reducing the severity and number of violations of the NAAQS and expeditiously achieving those standards, comply with the federal transportation conf…

(1) All transportation plans, improvement programs, and projects shall comply with the criteria in subsections (2), (3), and (4) of this section.(2) At all times the following criteria shall be met:(a) The conformity determination for plans, TIPs, and projects shall:(i) Be based …

(1) Air quality analysis for transportation plans, programs, and projects shall be modeled for criteria pollutants using EPA and the federal Department of Transportation approved methods.(2) Air quality analysis procedures and methodology used in determining conformity for transp…

Transportation plans shall include policies and provisions that promote the reduction of criteria pollutants. Transportation plans shall identify those aspects of the existing transportation system whose modification offers the best opportunity for improving air quality. Transpor…

(1) This section applies to all transportation improvement programs that authorize purchase of right of way or that fund construction of projects on the regional transportation system within a metropolitan area boundary of any region that is contained either wholly or partially i…

(1) This section applies to all transportation projects on the regional transportation system regardless of funding base within a metropolitan area boundary of any region that is contained either wholly or partially in a nonattainment area. Projects that are exempted from these r…

The following types of projects because of their nature, will not affect the outcome of any air quality analyses nor add any substance to those analyses and are exempted from all conformity requirements.(1) Safety, preservation, or maintenance projects of the following type:(a) R…

The following types of projects because of their nature, will not affect the outcome of regional air quality emissions analyses nor add substance to those analyses and are exempted from regional conformity analysis. Project level conformity analysis is required for these types of…

This chapter promulgated under RCW 70.94.305 and 70.94.331 establishes requirements to preserve emission control equipment installed on motor vehicles.[Statutory Authority: Chapter 70.94 RCW. WSR 87-19-078 (Order 87-17), § 173-421-010, filed 9/16/87.]

The department finds that the prevention and control of air pollution from motor vehicles should be regulated on a statewide basis and, hereby assumes jurisdiction over motor vehicles for the purpose of controlling air contaminant emissions from the operation of such motor vehicl…

Unless a different meaning is clearly required by context, words and phrases used in this chapter shall have the following meanings; general terms common with other chapters of Title 173 WAC as defined in chapter 173-403 WAC, and terms specific to motor vehicle emission control s…

A person shall not remove or render inoperable any component or change any element of design of a motor vehicle including adjustments outside the range of manufacturer's specifications that could affect the amount of air contaminants emitted from that vehicle subject to the follo…

The purpose of this chapter is to establish rules as authorized by RCW 70A.30.010.[Statutory Authority: Chapter 173-423 WAC, chapter 70A.30 RCW, chapter 173-400 WAC, chapter 70A.15 RCW. WSR 21-24-059 (Order 21-04), § 173-423-010, filed 11/29/21, effective 12/30/21. Statutory Auth…

This chapter applies to all passenger cars, light-duty trucks, medium-duty passenger vehicles, medium-duty vehicles, and heavy-duty vehicles registered, leased, rented or sold for use in Washington, except as provided in WAC 173-423-060 Exemptions.[Statutory Authority: Chapter 17…

This chapter is effective on January 1, 2006, provided the U.S. Environmental Protection Agency has granted a waiver under 42 U.S.C. Sec. 7543 for the California motor vehicle emission standards adopted by reference in this chapter.[Statutory Authority: Chapter 173-423 WAC, chapt…

(1) This chapter adopts by reference the California Code of Regulations in the following titles:(a) Title 13, sections 1900, 1956.8, 1960.1, 1961, 1961.1 to 1961.4, 1962.2 to 1962.8, 1963, 1963.1 to 1963.5, 1965, 1968.2, 1968.5, 1969, 1971.1, 1971.5, 1976, 1978, 2035 to 2040, 204…