# WAC 173-340-100: WAC 173-340-100. Purpose

> Washington · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_100

## Section

- **Citation:** WAC 173-340-100
- **Heading:** WAC 173-340-100. Purpose
- **Jurisdiction:** Washington
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Washington Administrative Code / Title 173 / Chapter 173-340 / Section 173-340-100

## Text

This chapter is promulgated under chapter 70A.305 RCW, the Model Toxics Control Act. It establishes administrative processes and standards to identify, investigate, and clean up sites where hazardous substances have come to be located. It defines the role of ecology and encourages public and tribal involvement in decision making at these sites.
The goal of this chapter is to implement chapter 70A.305 RCW, the Model Toxics Control Act. This chapter provides a workable process to accomplish effective and expeditious cleanups in a manner that protects human health and the environment, including vulnerable populations and overburdened communities. This chapter is primarily intended to address releases of hazardous substances caused by past activities although its provisions may be applied to potential and ongoing releases of hazardous substances from current activities.
Note:
All materials incorporated by reference in this chapter are available for inspection at the Department of Ecology's Toxics Cleanup Program, 300 Desmond Drive, Lacey, Washington, 98503.

## Nearby sections

- [WAC 173-340-100 WAC 173-340-100. Purpose](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_100.md)
- [WAC 173-340-110 WAC 173-340-110. Applicability](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_110.md)
- [WAC 173-340-120 WAC 173-340-120. Overview](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_120.md)
- [WAC 173-340-130 WAC 173-340-130. Administrative principles](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_130.md)
- [WAC 173-340-200 WAC 173-340-200. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_200.md)
- [WAC 173-340-210 WAC 173-340-210. Usage](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_210.md)
- [WAC 173-340-300 WAC 173-340-300. Site discovery and reporting](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_300.md)
- [WAC 173-340-310 WAC 173-340-310. Initial investigation](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_310.md)
- [WAC 173-340-320 WAC 173-340-320. Site hazard assessment and ranking](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_320.md)
- [WAC 173-340-330 WAC 173-340-330. Contaminated sites list](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_330.md)
- [WAC 173-340-335 WAC 173-340-335. No further action sites list](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_335.md)
- [WAC 173-340-340 WAC 173-340-340. Program planning and assessment](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_340.md)
- [WAC 173-340-350 WAC 173-340-350. Remedial investigation](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_350.md)
- [WAC 173-340-351 WAC 173-340-351. Feasibility study](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_351.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_340_100. Check the current official text before relying on it. Not legal advice.