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#1 Federal
Regional Trends of Isotopic Composition in Total Gaseous Mercury Across the United States
- Organization: Department of the Interior
- Dataset Last Updated: February 28, 2023 at 12:00 AM
The dataset presented here represents the concentrations and stable isotopic composition of gaseous mercury (Hg) for 31 sites across the United States. This national-scale monitoring effort was...
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Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 03:51 AM
#2 Federal
Assessment of Mercury Cycling in the St Louis River, MN using Mercury and Food Web (Carbon and Nitrogen) Stable Isotopes
- Organization: Department of the Interior
- Dataset Last Updated: March 15, 2021 at 12:00 AM
The St Louis River (SLR) is the second largest tributary to Lake Superior and a designated area of concern (AOC) due to past industrial contamination of organic chemicals and heavy metals,...
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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:13 AM

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