Toxics Cleanup > Regulations & Related Information

Regulations & Related Information

2007  MTCA Rule Amendment    October 2007

 

Current MTCA Rule Information

Amendments to the MTCA rule were adopted on October 12, 2007 and became effective on November 12, 2007. A copy of the adopted regulation and related documents can be obtained by clicking on the following links:

Adopted Model Toxics Control Act Cleanup Regulation (Ecology-formatted version) November 2007

Training Presentations on the Amended MTCA Cleanup Regulation

These links provide access to materials provided at training courses to inform staff and the public about the changes to the Model Toxics Control Act.

• Course Materials: Implementing the MTCA Cleanup Regulation 
   
• Establishing Cleanup Levels under the Model Toxics Control Act--Northwest Environmental Training Center workshop, March 2004
   
  • Introduction to MTCA -- Continued
    • (continuation) Introduction to MTCA
  • Remedy Selection
  • Soil Leaching Pathway

Focus Sheets:

• Model Toxics Control Act Cleanup Regulation: Process for Cleanup of Hazardous Waste Sites
• Model Toxics Control Act Cleanup Regulation: Establishing Cleanup Standards and Selecting Cleanup Actions
• Site Register reports key information about contaminated site
• Developing Ground Water Cleanup Standards under the Model Toxics Control Act
• Developing Surface Water Cleanup Standards under the Model Toxics Control Act
• Developing Soil Cleanup Standards under the Model Toxics Control Act
• Developing Air Cleanup Standards under the Model Toxics Control Act

Updated MTCA Tools:

• Cleanup Levels and Risk Calculations (CLARC) News 
  
• Workbook Tools for Calculating Soil and Ground Water Cleanup Levels under the Model Toxics Control Act Cleanup Regulation and User's Guide.
  
• Terrestrial Ecological Evaluation Process - An Interactive User's Guide
  

Historical Rule-Making Information

Science Advisory Board (SAB)