Our economic analyses support proposed rules and permits, as well as a number of other projects and publications. We use real-world data, often collected directly from stakeholders, to comprehensively ...

We propose updates to the human health criteria in Table 240 of WAC 173-201A-240, Toxic substances, to: Replace 143 state-adopted human health criteria for 73 pollutants that the Environmental ...

In 2008, Washington's Legislature passed the Children's Safe Products Act (or CSPA) (Chapter 70A.430 RCW). This law applies to children’s products sold in Washington state. Washington’s laws apply to ...

The Department of Health recommends private well owners test their drinking water every year for coliform bacteria and nitrate. These two contaminates can rapidly affect a person’s health — possibly ...

When you burn, smoke must not impact your neighbors. You must put out your fire if it does. Learn about what is legal to burn. Always check for a burn ban before you burn. Smoke from outdoor burning ...

Operators commonly meet their professional growth by earning 3.0 continuing education units (CEUs) each professional growth cycle. Operators earn these CEUs by attending approved training courses.

Waste tires are those no longer suitable for their intended purpose due to wear or damage. Accumulations of waste tires harbor mosquitos, snakes, and other vermin, which pose health risks, such as the ...

In 2020, Washington Gov. Jay Inslee appointed Laura Watson to serve as the 13th Director of the Department of Ecology. Watson came to the position well-prepared for the challenges that come with ...

Contaminants of Emerging Concern (CECs) are chemicals and toxics that have been found in waterbodies that may cause ecological or human health impacts and are not currently regulated. In wastewater, ...

The refinery began operating in 1954 and has about 285 employees and 200 contractors that work on the site. The facility processes crude oil into a variety of petroleum products. At full production, ...

Fire danger is high in many areas because of hot, dry weather. Most of the state is still in a drought. Burn bans are in place across Washington. Check with your local fire district before lighting ...

Between 1990 and 1995, U.S. Congress initiated and expanded the Coastal Zone Management Act Enhancement Program. Congress also set aside special funding to encourage states to make improvements to ...