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Contract laboratory results Samples were submitted for contract laboratory analysis as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI) in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). These Contract Lab results are part of the data release including grain-size distribution, photographic and associated chemical and mineral analysis data for 36 sediment core and alluvium samples as well as Scanning Electron Microscopy analysis on select grains from magnetic and heavy mineral separates collected... Categories: Data; Tags: California, Hinkley, atomic emission spectroscopy, background level, chemical analysis, All tags... chromium, contamination and pollution, geochemistry, geoscientificInformation, groundwater, health, mass spectroscopy, rocks and deposits, scanning electron microscopy, soil chemistry, unconsolidated deposits, x-ray fluorescence, Fewer tags Particulate Matter Identification in Lung Tissue from Deployers, Positive, and Negative controls Using Scanning Electron Microscopy and Energy Dispersive Spectroscopy (2013-2016) We developed and tested a new method for in situ characterization and distribution of inorganic particles in biopsied lung tissue from three diverse human subject groups using field emission scanning electron microscopy with an energy dispersive analyzer. Backscattered electron and secondary electron images of particulate matter in lung tissue were acquired. Inorganic particulate matter in the field of view of the image was analyzed using energy dispersive spectroscopy and subsequently identified and cataloged. Tags: Afghanistan, Biopsy, Colorado, Denver, Edison, All tags... Energy dispersive spectroscopy, Inductively-coupled plasma mass spectroscopy (ICP-MS), International Institute for the Advancement of Medicine, Iraq, Lung, Lung tissue, Mass spectroscopy, National Jewish Health, New Jersey, Particulate matter, Phase spectra, Scanning electron microscopy, Tissue, USGS Science Data Catalog (SDC), health, mass spectroscopy, Fewer tags Initial input well data for logistic regression for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 This archive contains the well input data for the logistic regression model for the five-year categories 2000-2004, 2005-2009, 2010-2014, and 2015-2019. Data were collected either at the well location or computed within a buffer area of the well location, as specified in the parameter definition. Categories: Data; Tags: Groundwater, Wells, Drinking Water, Puget Sound, Washington, environment, health XRD: Qualitative mineralogy of Bulk (less than 2 mm) and heavy mineral separates Splits of samples were prepared of heavy mineral separates and bulk separates less than 2mm for analysis using X-ray diffraction (XRD) and results were interpreted to identify mineral components as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI), in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). These XRD results are part of a data release including grain size distribution, photographic, and associated chemical and mineral analysis data for 36 sediment core and alluvium... Categories: Data; Tags: California, Hinkley, atomic emission spectroscopy, background level, chemical analysis, All tags... chromium, contamination and pollution, geochemistry, geoscientificInformation, groundwater, health, mass spectroscopy, rocks and deposits, scanning electron microscopy, soil chemistry, unconsolidated deposits, x-ray fluorescence, Fewer tags Pd qPCR Interlaboratory Testing Results These data were collected as part of a voluntary initiative to create a White-Nose Syndrome Diagnostic Laboratory Network among laboratories participating in research and surveillance for Pseudogymonascus destructans (Pd) - the fungal pathogen causing White-Nose Syndrome in bats. Pd_qPCR_InterlaboratoryLODdata.xlsx is raw qPCR data from multiple laboratories running serial dilutions of Pd gBlock in known concentrations for the collectively used Muller (2013) Pd qPCR assay. Pd_qPCR_InterlaboratoryResults_LOD.xlsx contains the data output for each laboratory from running a generic LOD/LOQ calculator script. the generic LOD/LOQ calculator script is available at:https://github.com/cmerkes/qPCR_LOD_Calc. Pd_qPCR_InterlaboratoryPTResults_PanelData.xlsx... Categories: Data; Tags: USGS Science Data Catalog (SDC), Wildlife Disease, biota, health, microbiology, All tags... polymerase chain reaction, white-nose syndrome, wildlife disease, Fewer tags National Hydrologic Model's United States-Canada Transboundary Geospatial Fabric Parameter Database This metadata record documents a set of 118 comma delimited files and a data dictionary describing the inputs for the U.S. Geological Survey Precipitation Runoff Modeling System (PRMS) which is used to drive the National Hydrologic Model (NHM) for the United States-Canada transboundary domain. The National Hydrologic Model database contains parameters for hydrologic response units (HRUs) and stream segments needed to run the NHM. These parameters are generated using python scripts to process input datasets such as digital elevation models, soil maps, and land cover classifications. Many of the parameters were left at their default model value as they would need to be calibrated as part of the PRMS model development... Categories: Data; Tags: Canada, National Hydrologic Model, United States, environment, farming, All tags... health, hydrologic parameters, inlandWaters, watershed modeling, Fewer tags SARP Riparian Assessment: NLCD 2016 land cover statistics attributed to EPA 100 year floodplain boundaries within NHDPlus High and Medium Resolution catchments This dataset represents a potential indicator to be used in spatial analyses to assess riparian condition for the Southeastern United States. It is a table of values representing the square meters of each land cover type (NLCD 2016) present in the floodplain boundary (EPA enviroatlas 100 year) within NHDPlus medium resolution catchments identified by FEATUREID. In addition to square meters of land cover type, the percent of the total floodplain containing natural land cover (as determined by land cover classes 11, 12, 31, 41, 42, 43, 51, 52, 71, 72, 73, 74 90, and 95) and disturbed land cover (as determined by land cover class values 21, 22, 23, 24, 81, 82) is calculated. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Southeast, United States, boundaries, economy, environment, All tags... health, imageryBaseMapsEarthCover, inlandWaters, Fewer tags Input data for logistic mapping at the conceptual well locations for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 This archive contains the input data for the conceptual well locations for the logistic mapping. Data were computed for either the well location or within a buffer area of the well location, as specified in the parameter definition. Categories: Data; Tags: Drinking Water, Groundwater, Puget Sound, Washington, Wells, All tags... environment, health, Fewer tags Output vulnerability difference rasters from logistic mapping at the conceptual well locations for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19 This archive contains the logistic mapping output vulnerability difference rasters at the conceptual well locations. Data are provided in rasters containing the differences between estimated probabilities of nitrate concentrations greater than 2 milligrams per liter at hypothetical 150 feet and 300 feet deep wells for sequential five-year categories when one or both of the predicted probabilities was equal to or greater than 50 percent. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Drinking Water, Groundwater, Puget Sound, Washington, Wells, All tags... environment, health, Fewer tags pXRF: Heavy and light mineral separates Heavy and light mineral separates were extracted from the 36 collected field samples following a USGS procedure (Strong and Driscoll, 2016) and analyzed using the handheld portable X-ray fluorescence (pXRF) analyzer as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI), in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). These pXRF results are part of a data release including grain size distribution, photographic and associated chemical and mineral analysis data for 36... Categories: Data; Tags: California, Hinkley, atomic emission spectroscopy, background level, chemical analysis, All tags... chromium, contamination and pollution, geochemistry, geoscientificInformation, groundwater, health, mass spectroscopy, rocks and deposits, scanning electron microscopy, soil chemistry, unconsolidated deposits, x-ray fluorescence, Fewer tags Supporting GIS files in study to estimate groundwater vulnerability for elevated nitrates in the Puget Sound Basin, Washington, 2000-19 This archive contains shapefiles of the grid of conceptual well locations and study area. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Drinking Water, Groundwater, Puget Sound, Washington, Wells, All tags... environment, health, Fewer tags Grain size analysis Grain size analysis using an Advantech Sonic Sifter Separator was conducted as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI) in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). Following field collection the samples were sieved into the greater than and less than 2 millimeter size fractions. The less than 2 millimeter fraction was sifted into seven grain size ranges. Each size fraction was weighed to 0.1 grams and photo documented. The cooperator for this study is... Categories: Data; Tags: California, Hinkley, atomic emission spectroscopy, background level, chemical analysis, All tags... chromium, contamination and pollution, geochemistry, geoscientificInformation, groundwater, health, mass spectroscopy, rocks and deposits, scanning electron microscopy, soil chemistry, unconsolidated deposits, x-ray fluorescence, Fewer tags Target-Chemical Concentrations for Assessment of Mixed-Organic/Inorganic Chemical and Biological Exposures in Private-Well Tapwater at Campbell, Wisconsin, 2021 Tapwater samples were obtained from groundwater sources on French Island, in the town of Campbell, Wisconsin. Samples from three locations were collected multiple times over a period of three days to assess temporal variations in water quality. Samples from an additional eight locations, were collected one time, spatially distributed around Campbell. Due to privacy concerns, the exact location of samples are anonymized. Concentration results for organic and inorganic contaminants and microbiology as well as quality-assurance results, are provided. Pesticides, pharmaceutical, volatile organic compounds, semivolatile organic compounds and per- and polyfluoroalkyl substances (PFAS) were analyzed at the U.S. Geological... Categories: Data; Tags: Environmental Health, Tapwater, USGS Science Data Catalog (SDC), United States, Water Quality, All tags... Water Resources, Wisconsin, biota, environment, environmental health, geoscientificInformation, health, inorganic analytes, organic contaminants, point-of-use exposure, Fewer tags Scanning electron microscopy (SEM) and Energy dispersive spectroscopy (EDS) Scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) were used to analyze acid residues from heavy mineral separates, polished grain mounts, and clays from sampled sediments as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI) in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). Results from EDS and SEM are presented as PDF reports and TIFF images. These data are part of a data release including grain size distribution, photographic and associated... Categories: Data; Tags: California, Hinkley, atomic emission spectroscopy, background level, chemical analysis, All tags... chromium, contamination and pollution, geochemistry, geoscientificInformation, groundwater, health, mass spectroscopy, rocks and deposits, scanning electron microscopy, soil chemistry, unconsolidated deposits, x-ray fluorescence, Fewer tags XRD: Clay mineralogy Splits of the less than 38 micron size fraction were processed to make oriented clay mounts and analyzed using X-ray diffraction (XRD) as part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI) in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). These clay mineralogy XRD results are part of a data release including grain size distribution, photographic, and associated chemical and mineral analysis data for 36 sediment core and alluvium samples as well as select grains from... Categories: Data; Tags: California, Hinkley, atomic emission spectroscopy, background level, chemical analysis, All tags... chromium, contamination and pollution, geochemistry, geoscientificInformation, groundwater, health, mass spectroscopy, rocks and deposits, scanning electron microscopy, soil chemistry, unconsolidated deposits, x-ray fluorescence, Fewer tags Landslide Displacement in the San Francisco Bay Region. The HayWired Earthquake Scenario This map shows the potential of widespread slope failures, in terms of Newmark displacement (measured in centimeters), triggered by a M7.0 scenario earthquake on the Hayward Fault in the 10-county area surrounding the San Francisco Bay region, California. The cumulative downslope displacement of hillslopes is calculated using a simplified Newmark rigid sliding block slope stability model utilizing four primary datasets: a regional-scale geologic map of the study area, geologic strength parameters compiled as part of the California Geological Survey Seismic Hazard Mapping Program, earthquake shaking data from the USGS ShakeMap developed for this scenario, and 10-meter digital elevation data from the USGS 2009 National... Tags: Acceleration Ratio, California, Earthquake Hazards, Earthquake-induced Landslide Hazards, Hayward Fault, All tags... Newmark Displacement, USA, Yield Acceleration, economy, environment, geoscientificInformation, health, planningCadastre, society, structure, transportation, utilitiesCommunication, Fewer tags Current coastal change research and priority information needs in western Alaska Research on coastal change in Western Alaska has increased rapidly in recent years, making it challenging to track existing projects, understand their cumulative insights, gauge remaining research gaps, and prioritize future research. This project will identify existing coastal change projects in Western Alaska and synthesize information about each project. The resulting report will document the project landscape for communities facing change, decision-makers navigating change, researchers pursuing projects, as well as funding agencies trying to prioritize where to allocate resources. Categories: Data, Project; Tags: Data Management and Integration, Datasets/Database, Decision Support, Interested public, LCC Network Science Catalog, All tags... Presentation, Project, Regional & county planners, Report, environment, environment, health, health, onGoing, society, society, Fewer tags Images of Particulate Matter in Lung Tissue from Ground Dwelling Mammals from the Grand Canyon Uranium Breccia Pipe Region Scanning electron microscope images of particulate matter in lung tissue from brush mouse, deer mice, and pocket gophers. Tags: Grand Canyon, chemical analysis, geoscientificInformation, health, lung bioassay, All tags... scanning electron microscopy, Fewer tags Energy Dispersive Spectra of Particles in Each Field of View We developed and tested a new method for in situ characterization and distribution of inorganic particles in biopsied lung tissue from three diverse human subject groups using field emission scanning electron microscopy with an energy dispersive analyzer. A backscattered electron image of each frame was acquired to locate inorganic particulate matter. The electron beam was deflected to points on the particles in the field of view to acquire an energy dispersive spectrum. The acquired spectra were used to identify the particle type. Tags: Afghanistan, Biopsy, Colorado, Denver, Edison, All tags... Energy dispersive spectroscopy, Inductively-coupled plasma mass spectroscopy (ICP-MS), International Institute for the Advancement of Medicine, Iraq, Lung, Lung tissue, Mass spectroscopy, National Jewish Health, Particulate matter, Phase spectra, Scanning electron microscopy, Tissue, health, mass spectroscopy, Fewer tags In Vitro Bioaccessibility Extractions from Previously Collected Uranium Mineral Deposit Samples, 1971 and 1981, Southwestern U.S This data set provides total element concentration and simulated lung and gastric fluid bioaccessibility from previously collected Uranium mineral deposit samples (1971 and 1981, Southwestern U.S.) exploring possible exposures to other hazardous trace metals. Elevated total as well as simulated gastric and lung fluid concentrations were observed for arsenic, cobalt, manganese, thallium, vanadium and uranium. Categories: Data; Tags: Biopsy, Colorado, Environmental Health, Fry Canyon, Gas Hills, All tags... Geochemistry, Henry Mountains, Lung, Mass spectroscopy, Slick Rock, USGS Science Data Catalog (SDC), Utah, Wyoming, environment, health, mineral deposits, uranium, Fewer tags 1 2 »