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Found 320 dataset(s) matching "Quality control, quality assurance".
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This data release includes time series data collected at the Bremerton Naval Complex, Bremerton WA. Groundwater levels and water quality parameters in two monitoring wells were recorded every 15...
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The responses (survival, growth, and/or reproduction) of test organisms in six concentrations of toxicants in acute and chronic tests. Chemical and water quality parameters were measured for...
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This U.S. Geological Survey (USGS) data release contains groundwater quality data for twelve wells in Suffolk County, New York and associated quality assurance results. Samples were collected...
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This data release contains 1-4 dioxane, per- and polyfluoroalkyl substances (PFAS), chlorofluorocarbons (CFCs), methyl tert-butyl ether (MTBE), and trihalomethanes (THMs) concentration data from...
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From May to December 2017, 48 environmental samples and six quality control samples were collected throughout the Upper Hudson and Central New York River Basins. Samples were collected from nine...
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From July through November 2018, 48 environmental samples and four quality-control samples were collected throughout the Lower Hudson, Chemung, and Eastern Lake Ontario River Basins. Samples were...
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The U.S. Geological Survey New Jersey Water Science Center (USGS NJWSC) in cooperation with the New Jersey Department of Environmental Protection (NJDEP) has assembled this data release in support...
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Data are for zooplankton communities sampled in 2016 at the Sheboygan River Area of Concern and two comparison sites, the Kewaunee River and the Manitowoc River, which have similar physical and...
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This dataset contains quality-assurance and quality-control data (QA/QC) not publicly available in the online National Water Information System (NWIS) for the Pennsylvania Groundwater Monitoring...
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We measured Survival endpoints for juvenile rainbow trout (Oncorhynchus mykiss) in response to exposure to wildland fire retardants. Exposures were <24 hours. We documented time to mortality...
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Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. Measurements began on South Cascade Glacier, WA in 1958, expanding to...
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Text files containing data regarding attributes of lake trout egg thiamine concentrations from sites in lakes Huron and Michigan collected during 2019-20, sampling site locations and quality...
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An extreme gradient boosting ensemble tree model predicting per- and polyfluoroalkyl substances (PFAS) occurrence in groundwater at the depths typical of the bottom of public and domestic drinking...
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This dataset describes site location information for samples collected within the western National Parks, USA, (Arches National Park (NP), Bryce Canyon NP, Canyonlands NP, Capitol Reef NP,...
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These data were collected to understand the occurrence of per- and polyfluoroalkyl substances (PFAS) in the middle Chickahominy River watershed. Specifically, this effort was initiated to: 1....
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This document describes a legacy collection of 2,263 scanned well logs from 621 distinct wells in the Piceance Basin of western Colorado, now made publicly available for long-term preservation....
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Groundwater samples collected between 2016 and 2018 from 56 shallow (<40 m depth) monitoring wells in Long Island, N.Y., were collected in support of the Long Island Pesticide Pollution...
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This data release contains analytical results from 52 groundwater samples and six quality assurance and quality control samples collected from the Delaware, Genesee, and St. Lawrence River basins....
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This data release contains analytical results from 52 groundwater samples and six quality assurance and quality control samples collected from western New York and the Mohawk River basin. Samples...
