Publications Home || Browse by topic || Browse by program || Ecology website

Publication Summary

Our Ecology website has changed, which can cause broken links.
To report these, please contact us with the publication and broken link.

Title

Model Toxics Control Act Regulation and Statute: MTCA Cleanup Regulation Chapter 173-340 WAC, Model Toxics Control Act Chapter 70A.305 RCW, Uniform Environmental Covenants Act Chapter 64.70 RCW

 
Publication number Date Published Date Revised
94-06January 1996January 2024
VIEW NOW Model Toxics Control Act Regulation and Statute: MTCA Cleanup Regulation Chapter 173-340 WAC, Model Toxics Control Act Chapter 70A.305 RCW, Uniform Environmental Covenants Act Chapter 64.70 RCW (Number of pages: 498) (Publication Size: 3757KB)
Note: click to view and print



Trouble viewing? Try these free options.
Author(s) Toxics Cleanup Program's Policy & Technical Support Unit
Description The Model Toxics Control Act (MTCA) is Washington’s environmental cleanup law that helps protect Washington’s residents and environment from the threat of contaminated sites. The MTCA Regulations, called the Cleanup Rule (Chapter 173-340 WAC) set cleanup standards and other requirements for the MTCA statute.

This document contains: 1) The Cleanup Rule (Chapter 173-340 WAC). 2) Focus sheet: “Process for Cleanup of Hazardous Waste Sites” (Pub. No. F-TC-94-129). 3) Focus sheet: “Establishing Cleanup Standards and Selecting Cleanup Actions” (Pub. No. 94-130). 4) Focus sheet: “Site Register” (Pub. No. 01-09-045). 5) The MTCA statute (Chapter 70A.305 RCW), which was amended in 2013. 6) The Uniform Environmental Covenants Act statute (Chapter 64.70 RCW), which was adopted in 2024.

REQUEST A COPY
The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

ADA Accessibility
The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188.
Visit Ecology’s website for more information.
Contact Toxics Cleanup Program’s Policy & Technical Support Unit at 360-407-7170
Keywords Model Toxics Control Act (MTCA), regulation, environmental covenants, toxics, Focus sheet, cleanup, toxic, WAC, RCW, model toxics control act, MTCA
WEB PAGE Model Toxics Control Act
RELATED PUBLICATIONS Title:

Guidance for Evaluating Vapor Intrusion in Washington State: Investigation and Remedial Action

Focus on: Cleanup of Small Spills to Soil

Enfoque en: Limpieza de derrames pequeños al suelo

소량의 토양오염 정화 지침

ਇਸ 'ਤੇ ਧਿਆਨ ਦਿਓ: ਮਿੱਟੀ ਵਿੱਚ ਛੋਟੇ ਰਿਸਾਵਾਂ ਦੀ ਸਫਾਈ ਕਰਨ ਸੰਬੰਧੀ

Тема: очистка после небольших разливов на почве

Chương Trình Tẩy Nhiễm Chất Độc Hại

關注焦點:清理發生在土壤上的小規模洩漏

Implementation Memorandum No. 23: Concentrations of Gasoline and Diesel Range Organics Predicted to be Protective of Aquatic Receptors in Surface Waters

Implementation Memorandum No. 22: Vapor Intrusion (VI) Investigations and Short-Term Trichloroethene (TCE) Toxicity

Implementation Memorandum No. 21: Frequently Asked Questions (FAQs) Regarding Vapor Intrusion (VI) and Ecology's 2009 Draft VI Guidance

Implementation Memorandum No. 18: Petroleum Vapor Intrusion (VI): Updated Screening Levels, Cleanup Levels, and Assessing PVI Threats to Future Buildings

Model Remedies for Sites with Petroleum Impacts to Groundwater

Status of Developing Model Remedies: 2016 Report to the Governor and Legislature

Toxics Cleanup Program Procedure 440A: Establishing Environmental Covenants under the Model Toxics Control Act

Toxics Cleanup Program Procedure 440C: Releasing Environmental Covenants under the Model Toxics Control Act

Implementation Memorandum No. 15: Frequently Asked Questions (FAQs) Regarding Empirical Demonstrations and Related Issues

Toxics Cleanup Program Policy 500A: Identification of Potentially Liable Persons

Toxics Cleanup Program Procedure 500A: Identification of Potentially Liable Persons

Toxics Cleanup Program Policy 840: Data Submittal Requirements

Washington State’s Integrated Planning Grants: Mapping the Road to Success

Implementation Memorandum #11: Dioxins, Furans, and Dioxin-Like PCB Congeners: Addressing Non-Detects and Establishing PQLs for Ecological Risk Assessments in Upland Soil

Model Toxics Control Act - Cleanup

Preparing for an Underground Storage Tank Inspection

Adopted Amendments: The Model Toxics Control Act Cleanup Regulation

Briefing Paper on the Proposed Amendments Model Toxics Control Act Cleanup Regulation