Hazardous waste

The federal government uses the term "hazardous waste" for what Washington terms "dangerous waste." Dangerous waste includes more wastes than are in the federal hazardous waste definition because Washington's rules are more protective.
The federal government uses the term "hazardous waste" for what Washington terms "dangerous waste." Dangerous waste includes more wastes than are in the federal hazardous waste definition because Washington's rules are more protective.

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Mercury in retrograde: Tracking down a toxic threat

Cleaning up mercury contamination and getting mercury out of the environment has been a priority at Ecology for decades

Cleaning up: Fieldwork at a beloved Bellingham waterfront park
How do you investigate a waterfront cleanup site that’s also a city park?
Join us for Let's Talk About Hanford
In our next edition of Let's Talk About Hanford, we're going to look back on the last year of cleanup.
You can help make products safer from toxics
Did you know there are thousands of chemicals in consumer products that scientists never tested for potential harms? The good news is our Safer Products for WA program is doing something about it.
Empowering the next generation of change makers
On Earth Day, Hilltop Heritage Middle School students showcased posters featuring the various lifecycle stages for different consumer products, like toothbrushes and toilet paper.
Partnering on lead removal at Plantation Rifle Range

We’re working with Whatcom County to clean up 50 years of lead contamination at Plantation Rifle Range. We invite your comments through March 17.

New study finds widespread PFAS contamination – but also signs of progress

Per- and poly- fluorinated alkyl substances (aka PFAS, PFCs, PFOS) are building up in waterways and fish, but phasing them out could decrease chemical exposure.

Hanford's PUREX tunnels: It's time for the next chapter

We're starting to work with the U.S. Department of Energy to determine the ultimate fate of the tunnel's highly radioactive contents.

Defending the public's right to comment on Hanford decisions

We will always defend the public's right to provide input on Hanford decisions.

Help us make food packaging safer in Washington
We’re working to find safer replacements for PFAS in six types of food packaging. Stakeholder and public input is crucial to the next assessment.