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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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Ecology helps Richland medical center save money and reduce hazardous waste
In medical care, soda lime products are used in general anesthesia to prevent toxic buildup of carbon dioxide as patients ...
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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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Underground storage tank service providers
Looking for a service provider? Here is a excel spreadsheet that lists certified UST service providers.This list is updated quarterly. Disclaimer: We do not assume any liability for the accuracy or ...
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Approved sampling and analysis procedures
We have approved the sampling and analytical methods referenced in the following sources for use under the MTCA Cleanup Regulations. This table includes some commonly used analytical methods for ...
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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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Using the EIM Data Analysis Tool
EIM Data Analysis Tool (EDAT) is an analysis tool for Model Toxics Control Act (MTCA) practitioners and other contamination cleanup professionals. It compares Washington State environmental monitoring ...
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Tools for cleaning up contaminated sites
The Excel spreadsheets and statistical packages on this page can help you plan cleanups, calculate cleanup levels, and show that your cleanup is happening as planned. Download these Excel files to ...
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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 glossary
A federal or state legal standard outside the immediate purview of the Model Toxics Control Act that must be met (applicable) or should be met (relevant and appropriate) when cleaning up a site. An ...
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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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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.