10 datasets found
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Federal
Laboratory quality-control data associated with samples analyzed for microbiological constituents at the USGS Ohio Water Microbiology Laboratory
Department of the Interior —
This dataset contains data tables of laboratory quality-control data associated with environmental samples analyzed for microbiological constituents at the Ohio Water... -
Federal
Per- and polyfluoroalkyl substance concentrations, age estimates, redox categories, and related data for groundwater from the Great Miami buried-valley aquifer, southwestern Ohio, 2019–20
Department of the Interior —
This data release presents results of chemical analyses of groundwater sampled during summer and autumn of 2019 and spring of 2020 from 23 wells in the Great Miami... -
Federal
Field, laboratory, and third-party quality-control data associated with sites and analytes monitored by the USGS National Water Quality Network, October 2017 through September 2022
Department of the Interior —
From October 2017 through September 2022, the National Water Quality Network (NWQN) monitored 110 surface-water river and stream sites and more than 1,800 groundwater... -
Federal
Questions and responses to USGS-wide poll on quality assurance practices for timeseries data, 2021
Department of the Interior —
This data record contains questions and responses to a USGS-wide survey conducted to identify issues and needs associated with quality assurance and quality control... -
Federal
Field blank and field replicate datasets for inorganic and organic compounds collected for the National Water Quality Network, water years 2013-17
Department of the Interior —
The U.S. Geological Survey (USGS) National Water Quality Network - Rivers and Streams (NWQN) comprises 117 surface-water monitoring sites designed to track ambient... -
Federal
Laboratory Quality-Control Data Associated with Groundwater Samples Collected for Hormones and Pharmaceuticals by the National Water-Quality Assessment Project in 2013-15
Department of the Interior —
This data set includes results for hormone and pharmaceutical compounds analyzed from 2012 through 2016 in laboratory quality-control samples that are associated with... -
Federal
Third-party performance assessment data encompassing the time period of analysis of groundwater samples collected for hormones and pharmaceuticals by the National Water-Quality Assessment Project in 2013-15
Department of the Interior —
This data set includes sample information and results for third-party performance assessment samples analyzed for hormones and pharmaceuticals during the same general... -
Federal
Results from geochemical and mineralogical characterization of Boquillas Shale geochemical reference material ShBOQ-1
Department of the Interior —
This data release accompanies a Fact Sheet on the ShBOQ-1 geochemical reference material (Birdwell and Wilson, 2021). Average and standard deviations reported in the... -
Federal
Data for volatile organic compounds in groundwater used for public supply across the United States, 2013-19, and data for associated quality-control samples
Department of the Interior —
This data release includes tables and time-series plots of results for volatile organic compounds (VOCs) analyzed in samples of groundwater used for public supply... -
Federal
Blank results for trace-element data collected for the California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project, October 2009–October 2018
Department of the Interior —
Groundwater samples have been collected in California as part of statewide investigations of groundwater quality conducted by the U.S. Geological Survey for the...
10 datasets found