Get Laws and Rules

To view current laws and rules implemented by the Toxics Cleanup Program, click here.

Current Rule Making

• Overview of Rule Development
  
  
• Chapter 173-340 WAC:  Model Toxics Control Act (MTCA) Regulations (suspended)
  
  
• Chapter 173-204 WAC:  Sediment Management Standards (SMS) (in process)
  
  
• Chapter 173-360 WAC:  Underground Storage Tank (UST) Regulations (part adopted, part suspended)
  
  

Rule-making Archive

To view documentation of past MTCA rule making, click here.

MTCA Science Panel

The MTCA Science Panel meets periodically to provide Ecology scientific input and advice on a wide range of technical issues related to the cleanup of contaminated sites. To get more information, click here.

Ecology Laws and Rules Page

To find information about other agency laws and rules, the status of other agency rule making, or the impact of the Governor’s rule moratorium on the agency, go to www.ecy.wa.gov/laws-rules/index.html