Search results for Concentration
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182 datasets for “Concentration”
- Data.gov Catalog
Map of Arsenic concentrations in groundwater of the United States
U.S. Geological SurveyUpdated 17 Nov 2020
… An excel tabular data file, a txt file, along with a GIS shape file of arsenic concentrations (20 …
- XML
- Data.gov Catalog
Survival, growth, behavior and mercury concentrations of mayflies exposed to elevated dietary methylmercury and aqueous selenium
U.S. Geological SurveyUpdated 19 May 2021
Survival and size of mayflies at each life stage, as well as MeHg concentrations in diatoms and mayflies …
- XML
- Data.gov Catalog
Greenhouse gas fluxes, dissolved gas concentrations, and water properties of laboratory mesocosms
U.S. Geological SurveyUpdated 22 Feb 2022
The data describe greenhouse gas (GHG) emissions, dissolved GHG concentrations, and mesocosm conditions (vegetation, hydrologic phases, ambient conditions …
- XML
- Data.gov Catalog
Total mercury concentrations in bat tissues and blood from southwestern U.S. National Parks in 2023
U.S. Geological SurveyUpdated 4 Nov 2024
… Data file contains mercury concentrations in bat tissues and blood.
- XML
- Data.gov Catalog
Total and aqueous arsenic concentrations, physiochemical characteristics, and ancillary data of groundwater from newly constructed drinking water wells in central, northwest, and northeast Minnesota, 2014 – 2016, version 2.0, July 2018
U.S. Geological SurveyUpdated 27 Aug 2020
This dataset provides well construction information provided by driller well logs. Well logs can be accessed on the …
- XML
- Data.gov Catalog
Dissolved silicon concentration and yield estimates from streams and rivers in North America and Antarctica,1964-2021
U.S. Geological SurveyUpdated 5 Oct 2023
These data include dissolved silicon concentration and yield from 60 rivers across North America, the Caribbean, and Antarctica …
- XML
- Data.gov Catalog
Calculated mercury and carbon concentrations, USGS station 254543080405401: Tamiami Canal at S-12D Near Miami, Florida, 2013-2017
U.S. Geological SurveyUpdated 17 Sept 2020
… total mercury, particulate methylmercury, and dissolved organic carbon concentrations calculated for USGS station 254543080405401: Tamiami Canal at S …
- XML
- Data.gov Catalog
Mercury Concentrations in Seston, Mussels, Water, Sediments, and Preyfish from Lake Huron, 2022
U.S. Geological SurveyUpdated 17 Sept 2024
… All matrices were assessed for mercury and methylmercury concentrations to examine spatial trends of mercury within the lakes …
- XML
- Data.gov Catalog
Spatial distribution of Rhodamine WT dye concentration measured in the Des Plaines River and the Chicago Sanitary and Ship Canal, Chicago, IL in November 2011
U.S. Geological SurveyUpdated 14 Aug 2020
… Data include Rhodamine WT dye concentrations measured every 3 or 10 minutes by means of Turner Designs C3 …
- XML
- Data.gov Catalog
Linear regression model for predicting shallow groundwater nitrate concentration in the Black Creek Watershed, Indiana, 2022—2024
U.S. Geological SurveyUpdated 31 Aug 2026
A linear regression model was developed to estimate continuous nitrate concentration in groundwater at a shallow groundwater monitoring …
- XML
- Data.gov Catalog
Heatmap visualizations of arsenic, cadmium, and copper concentrations in streambed sediment in the Clark Fork River, Montana, 1996-2020
U.S. Geological SurveyUpdated 15 Oct 2021
Long-term monitoring of stream-bed sediments reveals spatial and temporal trends in metal concentrations. Here we use …
- XML
- Data.gov Catalog
Biomass and methylmercury concentrations in biweekly biological samples from Brownlee and Oxbow Reservoir outflows, Snake River Hells Canyon Complex (Idaho-Oregon), 2018-2019
U.S. Geological SurveyUpdated 27 May 2022
This dataset describes biomass and methylmercury concentrations in zooplankton, other invertebrates, fish, and coarse and fine detritus samples …
- XML
- Data.gov Catalog
Upper Midwest Water Science Center Chloride Concentration Surrogate Models
U.S. Geological SurveyUpdated 27 Feb 2026
Linear regression models were developed using specific conductance to estimate chloride concentrations at stream and storm sewer sites …
- XML
- Data.gov Catalog
Target-Chemical Concentration Results of Mixed-Organic/Inorganic Chemical Exposures in Puerto Rico Tapwater, 2017 to 2018
U.S. Geological SurveyUpdated 19 May 2021
This dataset provides the water-quality results for organic and inorganic concentrations analyzed from samples collected at domestic …
- XML
- DATA.GOV.HK
Past 24-hour Pollutant Concentration of individual Air Quality Monitoring stations
Environmental Protection DepartmentUpdated 4 Aug 2025
Pollutant Concentration at individual general and roadside Air Quality Monitoring stations for the past 24 hours
- XML
- data.gouv.fr
Concentrations moyennes annuelles des polluants réglementés en Île-de-France
AirparifUpdated 28 Mar 2019
Estimation par modélisation des concentrations moyennes des polluants NO2 et PM10 en Île-de-France par année depuis …
- WMTS
- XML
- Data.gov Catalog
Mercury concentrations in American alligators in South Carolina, 2010-2017
U.S. Geological SurveyUpdated 17 Aug 2020
This dataset comprises whole blood mercury concentrations, sex, predicted age, snout-vent length, and body mass index in …
- XML
- Open Government Canada
Production of concentrated milk products
Statistics Canada | Statistique CanadaUpdated 8 May 2025
Production of concentrated milk products, Canada and provinces (in tonnes). Data are available on a monthly basis.
- CSV
- XML
- HTML
- Open Government Canada
Production of concentrated milk products, quarterly
Statistics Canada | Statistique CanadaUpdated 27 Aug 2026
Production of concentrated milk products, Canada and provinces (in tonnes). Data are available on a quarterly basis.
- CSV
- XML
- HTML
- Data.gov Catalog
Concentrations of per- and polyfluoroalkyl substances in groundwater from the Great Miami buried-valley aquifer, southwestern Ohio, 2019–20
U.S. Geological SurveyUpdated 9 Mar 2023
… 2020 collected and analyzed groundwater samples to describe concentrations of per- and polyfluoroalkyl substances (PFAS) in the Great …
- XML