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Washington businesses and undergraduates benefit from pollution prevention internships
The Washington Applied Sustainability Internship (WASI) program pairs college students with businesses to help achieve ...
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Tidewater Fuel Line Leak, Pasco
Ecology visited the site May 20, 2024, and inspected the groundwater monitoring wells. We made some recommendations for well repairs and improvements. The cleanup still protects people and the ...
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WCC field crew positions
On a Washington Conservation Corps (WCC) field crew, you play a vital role in protecting and restoring Washington’s environment while gaining a deeper appreciation of the natural world and building ...
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Kinder Morgan Harbor Island Terminal, Seattle
The spill prevention plan for Kinder Morgan Harbor Island Terminal is now open for public comment. The following plan is now available for public review: Class 1 Facilities are required to submit a ...
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Ecology helps Richland medical center save money and reduce hazardous waste
Every September, hundreds of Washington businesses are required to submit pollution prevention (P2) plans to Ecology. These plans detail the hazardous waste a business creates over the span of a ...
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Cleanup Levels and Risk Calculation (CLARC)
CLARC January 2025 updates are now online. Cleanup Levels and Risk Calculation (CLARC) is a compendium of technical information related to calculating cleanup levels under Washington's Cleanup Rule, ...
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CLARC data tables and other technical information
New Hazardous Substances: We added fluorotelomer sulfonic acid;6:2 (6:2 FTS), perfluorodecanoic acid (PFDA), hexachlorocyclohexane; delta, and isopropyltoluene; p- to CLARC. We also re-added Sulfate ...
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CLARC guidance
When establishing cleanup levels for your contaminated site, use these guidance documents in combination with the CLARC data tables. CLARC — Cleanup Levels and Risk Calculation — is a compendium of ...
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New year, same drought
The drought declared in April 2024, is still in effect while experts keep an eye out for signs of improving conditions.
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Louisiana Pacific Corp, Tacoma
We review conditions at sites where some contamination remains about every five years, to make sure the cleanup is still effective. The Louisiana Pacific Corp cleanup site was a log yard in the 1960s.
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Driver information
Transportation is our state’s biggest source of greenhouse gas emissions and a leading source of air pollution. Transitioning to clean vehicles is an essential part of addressing climate change. It ...