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Evaluation of preservation techniques for trace metals and major cations for surface waters collected from the U.S. Geological Survey's National Water Quality Network Sites
- Organization: Department of the Interior
- Dataset Last Updated: September 15, 2022 at 12:00 AM
The USGS National Field Manual (NFM) states “A representative sample is one that typifies in time and space that part of the aqueous system to be studied” and “obtaining representative samples is...
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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:25 PM

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