Technical Assistance Agreements

A Technical Assistance Agreement (TAAG) is a contractual agreement between our Northwest Regional Office and participants to clean up contamination at multiple current and former gas station sites. Older gas stations built before 1998 used steel underground tanks and piping which corroded over time and frequently leaked, causing contamination in soil, groundwater, and surface water.

The TAAG program is voluntary and enables participants to work on cleanup of up to 30 sites with our help.

What are the benefits of joining a TAAG?

Work directly with one designated Ecology Site Manager in the Voluntary Cleanup Program (VCP) to clean up multiple contaminated sites
Work with us to develop project schedules, deadlines, and to develop efficient strategies to achieve No Further Action (NFA) status
Contribute to the protection of human health and the environment in the state of Washington

Participant Commitment
Ecology Commitment

The participant agrees to prepare a portfolio of priority sites for cleanup and agrees to complete appropriate cleanup documents required under the Model Toxics Control Act:

Remedial Investigation
Feasibility Study and Disproportionate Cost Analysis
Cleanup Action Plans
Long term monitoring plans

Participants also agree to reimburse Ecology for time dedicated to their projects.

We agree to assign a Voluntary Cleanup Program (VCP) Site Manager to each TAAG agreement to provide site-specific technical consultations. We will need to agree to the site portfolio and project schedules.

A TAAG allows sites to efficiently reach No Further Action status. NFA opinions are issued by us when no further remedial action is needed at a site under the state cleanup regulations (Model Toxics Control Act).

Click on a site for more information, including links to the site cleanup page and TAAG agreements. You can also download the list of TAAG sites as pdf.

Contact information

If you are interested in entering into a TAAG agreement with Ecology, please contact

Nick Treat, Voluntary Cleanup Program Unit Supervisor

Northwest Regional Office - Toxics Cleanup Program

nick.treat@ecy.wa.gov

425-417-7531

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