• Organization: Department of the Interior
• Updated: 2020-08-12T00:00:00Z

This data release documents 155 sets of dissolved noble gas analyses (neon, argon, krypton, xenon) and 153 modeled recharge temperatures for groundwater sampled from domestic water supply wells...

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• Organization: Department of the Interior
• Updated: 2024-08-26T00:00:00Z

Dissolved noble gas data were collected using a portable mass spectrometer mounted on inflatable rafts on the Colorado River near Glenwood Springs, Colorado and the Virgin River near La Verkin,...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

High radium (Ra) concentrations in potable portions of the Cambrian-Ordovician (C-O) aquifer system were investigated using water-quality data and environmental tracers ( 3H, 3Hetrit, SF6 , 14C...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-03-04 00:00:00

The dissertation "The Thermodynamics and Hysteresis of Adsorption" by A. J. Brown, contains unique measurements of adsorption/desorption isotherms of Xenon, Krypton, and Carbon Dioxide in Vycor...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

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...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

This data release documents nine Microsoft Excel tables that contain data for understanding groundwater ages in the Glacial aquifer system. Results for the four sample networks (PAS, principal...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

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...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the Columbia Plateau aquifer system. Results of...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

This data release documents three Microsoft Excel tables that contain data for understanding environmental tracer concentrations in groundwater of the High Plains aquifer system. Results of...

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• Organization: Department of the Interior
• Updated: 2020-08-25T00:00:00Z

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...

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• Organization: Department of the Interior
• Updated: 2025-07-08T00:00:00Z

This dataset provides groundwater age estimates for 203 wells used as public- and domestic-supply in two selected areas of California. Groundwater ages were estimated by calibration of...

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• Organization: Department of the Interior
• Updated: 2020-08-12T00:00:00Z

Groundwater age distribution and susceptibility to natural and anthropogenic contaminants were assessed for selected principal aquifers of the Western United States: the Central Valley aquifer...

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• Organization: Department of the Interior
• Updated: 2025-12-01T00:00:00Z

Groundwater age distributions and susceptibility to natural and anthropogenic contaminants were assessed for selected wells, streambed piezometers, and springs in southeastern Minnesota. The data...

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• Organization: Department of the Interior
• Updated: 2023-02-01T00:00:00Z

This dataset provides groundwater ages estimates that were used in an assessment of the penetration depth of modern groundwater in the Central Valley aquifer system (CVAL). Groundwater ages were...

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• Organization: Department of the Interior
• Updated: 2020-08-26T00:00:00Z

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...

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• Organization: Department of the Interior
• Updated: 2025-02-13T00:00:00Z

This data release contains tracer data and estimated age distributions of groundwater samples collected as part of a water availability study for the Mississippi alluvial plain (MAP). The MAP is...

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• Organization: National Institute of Standards and Technology
• Updated: 2005-08-01 00:00:00

This handbook provides a selection of the most important and frequently used atomic spectroscopic data in an easily accessible format. The compilation includes energy levels, ionization energies,...

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• Organization: Department of the Interior
• Updated: 2022-07-07T00:00:00Z

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...

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• Organization: National Institute of Standards and Technology
• Updated: 2017-11-01 00:00:00

This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities that are reasonably up-to-date. The Atomic...

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• Organization: National Institute of Standards and Technology
• Updated: 2014-09-19 00:00:00

This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 8000 references, dating from 1914 through current year and is updated regularly in intervals...

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