• Organization: Department of the Interior
• Updated: 2021-06-22T00:00:00Z

Specific activities of cesium-137 (half life = 30.17 years), lead-210 (half life = 22.3 years), radium-226 (half life = 1,600 years), thorium-234 (half life = 24.1 days), and potassium-40 (half...

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• Organization: State of California
• Updated: 2025-11-07T05:02:24.564597

IMPORTANT: Please see the attached PDF for more context on this dataset. Per Health and Safety Code 114755 which mandates that "The department shall monitor radioactive materials in the...

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• Organization: State of California
• Updated: 2026-01-13T23:16:16.618767

The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada lakes north of Lake Tahoe, down the Central...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-06-16T00:00:00.000+00:00

The Episodic Events - Great Lakes Experiment (EEGLE) project was coordinated by NOAA Great Lakes Environmental Research Laboratory. The data collected in support of this project are archived in...

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