Found 27 datasets matching "Geochemical Tracers".
-
This article uses a data set of geochemical tracers collected from the Captain Jack Mill Superfund Site in Colorado. The journal article is the result of a collaboration between U.S. EPA and the...
Search relevance: 62.39 | Views last month: 0 -
Field data and 222Rn activities from the Altona well field. 222Rn, the most stable isotope of radon, was tested for during well extraction experiments. Tracers were also tracked to monitor the...
Search relevance: 61.59 | Views last month: 1 -
The Captain Jack Superfund site near Ward, Colorado hosts extensive interconnected underground mine workings, which drain via the Big Five Adit. Drainage from the adit has historically been acidic...
Search relevance: 55.11 | Views last month: 0 -
This child item of the data release contains groundwater-level elevation and water-quality data, both collected by contractors to U.S. Environmental Protection Agency (EPA) and later furnished to...
Search relevance: 54.17 | Views last month: 0 -
The major goal of the observational program is to determine the variability of different components of the Beaufort Gyre fresh water (ocean and sea ice) system and to assess the partial...
Search relevance: 54.15 | Views last month: 0 -
As part of the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program , the U.S. Geological Survey collected groundwater and quality-control (QC) samples during...
Search relevance: 45.98 | Views last month: 0 -
This data release documents four tables that contain data for assessing the susceptibility of groundwater using environmental tracers collected from public-supply wells located in the Northern...
Search relevance: 44.75 | Views last month: 0 -
The U.S. Geological Survey (USGS), in cooperation with the Bureau of Reclamation, began hydrogeologic investigations in 2009 in the Paradox Valley in Colorado. In June 2011, nine groundwater...
Search relevance: 44.59 | Views last month: 0 -
Final Report describing regional signature detection for blind and traditional play fairways as part of Phase I of New Mexico Play Fairway Analysis. This project seeks to reduce exploration risk...
Search relevance: 44.42 | Views last month: 0 -
An investigation was done by the U.S. Geological Survey, in cooperation with the California State Water Resources Control Board's Program of Regional Groundwater Monitoring of Water Quality in...
Search relevance: 43.89 | Views last month: 3 -
An investigation was done by the U.S. Geological Survey, in cooperation with the California State Water Resources Control Board's Program of Regional Groundwater Monitoring of Water Quality in...
Search relevance: 43.59 | Views last month: 0 -
This data release documents eight Microsoft Excel tables; four which contain data for understanding groundwater ages in the South East Coastal Plain (SECP), Coastal Lowlands (CLOW) and Mississippi...
Search relevance: 41.05 | Views last month: 0 -
Three wells in New Hampshire were sampled bimonthly over three years to evaluate the temporal variability of arsenic concentrations and groundwater age. All samples had measurable concentrations...
Search relevance: 40.78 | Views last month: 1 -
In cooperation with the California State Water Resources Control Board’s oil and gas Regional Monitoring Program, the U.S. Geological Survey collected and analyzed groundwater and associated...
Search relevance: 40.44 | Views last month: 0 -
In cooperation with the California State Water Resources Control Board Oil and Gas Regional Groundwater Monitoring Program the U.S. Geological Survey collected and analyzed groundwater and...
Search relevance: 38.62 | Views last month: 0 -
The California State Water Resources Control Board (State Water Board) initiated the Oil and Gas Regional Monitoring Program (RMP) to assess effects of oil and gas development on groundwater...
Search relevance: 37.16 | Views last month: 0 -
This data release consists of data (in four tables) for assessing the time scales of arsenic variability in three production wells in New Hampshire; tables that describe the data fields in the...
Search relevance: 37.14 | Views last month: 1 -
The California State Water Resources Control Board (State Water Board) initiated the Oil and Gas Regional Monitoring Program (RMP) to assess effects of oil and gas development on groundwater...
Search relevance: 37.14 | Views last month: 0 -
This data release documents seven tables that contain environmental tracer data and lumped parameter model (LPM) results that are used for assessing the distribution of groundwater age in 23...
Search relevance: 36.97 | Views last month: 0 -
This data release documents two Microsoft Excel tables; one contains data for understanding groundwater ages in the Spanish Valley watershed, and one that describe the data fields. Mean ages and...
Search relevance: 36.92 | Views last month: 0