# WAC 173-400-020: WAC 173-400-020. Applicability

> Washington · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_020

## Section

- **Citation:** WAC 173-400-020
- **Heading:** WAC 173-400-020. Applicability
- **Jurisdiction:** Washington
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Washington Administrative Code / Title 173 / Chapter 173-400 / Section 173-400-020

## Text

(1) The provisions of this chapter shall apply statewide, except for specific subsections where a local authority has adopted and implemented corresponding local rules that apply only to sources subject to local jurisdiction as provided under RCW 70A.15.2040 and 70A.15.3000 .
(2) An authority may enforce this chapter and may also adopt standards or requirements. These standards or requirements may not be less stringent than the current state air quality rules and may be more stringent than the current regulations. Unless properly delegated by ecology, authorities do not have jurisdiction over the following sources:
(a) Specific source categories over which the state, by separate regulation, has assumed or hereafter does assume jurisdiction.
(b) Automobiles, trucks, aircraft.
(c) Those sources under the jurisdiction of the energy facility site evaluation council.

## Nearby sections

- [WAC 173-400-010 WAC 173-400-010. Policy and purpose](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_010.md)
- [WAC 173-400-020 WAC 173-400-020. Applicability](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_020.md)
- [WAC 173-400-025 WAC 173-400-025. Adoption by reference](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_025.md)
- [WAC 173-400-030 WAC 173-400-030. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_030.md)
- [WAC 173-400-035 WAC 173-400-035. Nonroad engines](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_035.md)
- [WAC 173-400-036 WAC 173-400-036. Relocation of portable sources](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_036.md)
- [WAC 173-400-040 WAC 173-400-040. General standards for maximum emissions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_040.md)
- [WAC 173-400-045 WAC 173-400-045. Control technology fees](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_045.md)
- [WAC 173-400-050 WAC 173-400-050. Emission standards for combustion and incineration units](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_050.md)
- [WAC 173-400-060 WAC 173-400-060. Emission standards for general process units](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_060.md)
- [WAC 173-400-070 WAC 173-400-070. Emission standards for certain source categories](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_070.md)
- [WAC 173-400-075 WAC 173-400-075. Emission standards for sources emitting hazardous air pollutants](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_075.md)
- [WAC 173-400-081 WAC 173-400-081. Emission limits during startup and shutdown](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_081.md)
- [WAC 173-400-082 WAC 173-400-082. Alternative emission limit that exceeds an emission standard in the SIP](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_082.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_400_020. Check the current official text before relying on it. Not legal advice.