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Found 1910 dataset(s) matching "Contaminant".
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The U.S. Geological Survey (USGS) deployed passive samplers at surface-water and groundwater sites on the Hawaiian Islands of Kauaʻi, Oʻahu, Maui, and Hawaiʻi for several weeks each during...
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Concentrations of a wide variety of environmental organic contaminants were measured in surface waters of the Lake Mead National Recreation Area (Nevada and Arizona) in 2010 to provide a measure...
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This data set is a national map of predicted probability of nitrate contamination of shallow ground waters based on a logistic regression (LR) model. The LR model was used to predict the...
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This dataset contains results from the analysis of sediments for chemical contaminants including organic contaminants like hydrocarbons and pesticides, and inorganic contaminants like metals,...
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The files contains certified data extracted from the GLKN Bald Eagle Bioaccumulative Contaminants Monitoring database, which includes data for bald eagle morphology and a variety of contaminants...
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Marine sediment and water column samples were collected in nearshore habitats around the island of St. John, USVI during two sampling trips in late 2021 and early 2022 and following the landfall...
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The data presented in this data release includes 11 field/water quality parameters, concentrations of 16 nutrients/anions, dissolved organic carbon, 14 organic contaminants, net estrogenicity...
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EPA uses the Unregulated Contaminant Monitoring (UCM) program to collect data for contaminants suspected to be present in drinking water, but that do not have health-based standards set under the...
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This data release presents chemical and biological results from an investigation of the uptake of per- and polyfluoroalkyl substances (PFAS) from groundwater contaminated by fire training...
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During 2010-2014, tree swallow (Tachycineta bicolor) reproductive success was monitored at 68 sites across all 5 Great Lakes, including 58 sites located within Great Lakes Areas of concern (AOCs)...
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The National Status and Trends Program is comprised of three nationwide programs: Benthic Surveillance, Mussel Watch, and Bioeffects. These programs are in place to observe estuarine and coastal...
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The Contaminated Sediments Database for the Gulf of Maine provides a compilation and synthesis of existing data to help establish the environmental status of our coastal sediments and the...
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Advances in drilling technique have facilitated a rapid increase in hydrocarbon extraction from energy shales, including the Williston Basin in central North America. This area overlaps with the...
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The U.S. Geological Survey, in cooperation with the Minnesota Department of Health, conducted a study to determine the occurrence of unregulated contaminants in source and finished drinking waters...
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The U.S. Geological Survey, in cooperation with the Minnesota Department of Health, conducted a study to determine the occurrence of unregulated contaminants in source and finished drinking waters...
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This raster data set represents the percentage of probability of nonpoint-source nitrate contamination (greater than the proposed background concentration of 4 milligrams per liter (mg/L) as N)...
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The indicators (non-EPA owned, yet described in the Handbook and Manuscript) represent: 1) potential exposures due to extreme events (heat, floods, drought, and wildfire), 2) specific sources of...
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Planned sample sites for designed bioactive organic contaminants (BOC), including pharmaceuticals, have been detected in surface waters at GRSM , raising concerns for sub-lethal effects and...
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This data set includes 956 polygons labeled with a sensitivity-unit code that represents the sensitivity of ground water to contamination in Lawrence County, SD. This data set is a result of a...
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The Safe Drinking Water Act (SDWA) requires EPA to review each National Primary Drinking Water Regulation (NPDWR) at least once every six years and revise them, if appropriate. The purpose of the...
