Toxics Cleanup > Policies & Guidance

Policies & Guidance

Guidance on Remediation of Petroleum-Contaminated Ground Water by Natural Attenuation (July 2005)

• Presentation Materials for Public Workshops (11/9/05 in Seattle)
  • Part A (0.9 mb): misc
  • Part B (1.5 mb): Jerome Cruz's Presentation
  • Part C (4.3 mb): Hun Seak Park's Presentation
  • Part D (1.7 mb): Jeff Kaspar's Presentation
• Publication Notice (Publication No. 05-09-091 (Version 1.0))
• Read me first!
• Guidance, User’s Manual, & Data Analysis Tool Package (two pdf documents and two MS Excel Workbooks for 2003 version) (4.2mb) Please note that a compact disk and a hardcopy containing the "Guidance, User's Manual, & Data Analysis Tool Package" can also be obtained by contacting Carol Dorn, Publications Coordinator (360-407-7224).

An Assessment of Laboratory Leaching Tests for Predicting the Impacts of Fill Material on Ground Water and Surface Water Quality
--A Report to the Legislature -- December 2003

EPA Method 5035A -- June 22, 2004

Terrestrial Ecological Evaluation Process - An Interactive User's Guide Added August 2001

Workbook Tools for Calculating Soil and Ground Water Cleanup Levels under the Model Toxics Control Act Cleanup Regulation and User's Guide.

Brownfields Guidance & Information Updated March 2006

• EnviroMapper for Brownfields. This U.S. EPA tool combines interactive maps and aerial photography to locate, display and query brownfields grant types by the areas/jurisdictions of city, county, state, and tribe.

Natural Background Soil Metals Concentrations in Washington State

Policies, Procedures, and Technical Memorandum

Steps in Cleanup Process

State Tax Incentives for Environmental Remedial Action
Due to budget concerns, the Model Toxics Control Act (MTCA) tax exemptions expired June 30, 2003. Please see the following Dept. of Revenue NOTICE for information on how remedial actions are to be taxed from now on.

• Environmental Remedial Action Sunsets