Search Data.gov
Found 1729 dataset(s) matching "reference concentration".
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Timeseries data from 'CRABTREE SWAMP AT CONWAY, SC (USGS 02110701)' (gov_usgs_nwis_02110701)
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Timeseries data from 'WACCAMAW RIVER ABOVE CONWAY, SC (USGS 02110550)' (gov_usgs_nwis_02110550)
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of vanadium. A unit of SRM 3165 consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of samarium. A unit of SRM 3147a consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of barium. A unit of SRM 3104a consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of rhenium. A unit of SRM 3143 consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of magnesium. A unit of SRM 3131a consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of lanthanum. A unit of SRM 3127a consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of aluminum. A unit of SRM 3101a consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of ytterbium. A unit of SRM 3166a consists of five 10 mL sealed...
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of tellurium. A unit of SRM 3156 consists of five 10 mL sealed...
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The NOAA Coral Reef Watch Experimental Ocean Acidification Product Suite (OAPS) offers an important synthesis of satellite and modeled environmental datasets to provide a synoptic estimate of sea...
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Weekly average air concentrations from CASTNET filter pack data in standard Tuesday 9:00 AM - Tuesday 8:00 AM weeks. The data are collected using an open face, 3-stage filter pack. Data include...
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Samples for water chemistry analysis were filtered to 0.45 µm upon collection. Since the solute-rich samples continued to form precipitates, samples were filtered again immediately prior to...
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A. SUMMARY Feature class includes geographic boundaries of neighborhoods in San Francisco identified as Muni Service Equity Strategy Neighborhoods. These are defined for the Muni Service Equity...
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The layered mafic and ultramafic Stillwater Complex in southwest Montana is known for its platinum-group element (PGE) production from reef-style mineralization (J-M Reef) in the Lower Banded...
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Wetlands play an important role in carbon retention, which is greatly dependent on hydrological conditions. Therefore, the interest in wetland hydrology has increased over recent decades. In...
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This data release includes estimates of annual and daily concentrations and fluxes for nitrate plus nitrite, total phosphorus, and suspended sediment for two sites in the Upper Macoupin Creek...
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Water availability for human and ecosystem needs is a function of both water quantity and water quality, as described in the U.S. Geological Survey (USGS) Water Science Strategy (Evenson and...
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Manganese is a designated critical mineral, being industrially utilized for producing steel and batteries, including in the production of electric vehicles (Rozelle et al., 2021). The eastern...
