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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The gamma-ray emitting radionuclide concentration and decontamination factor results from gamma-ray spectrometry measurements of ATR loop liquid samples by the Radiation Measurements Laboratory (RML) are contained in this report for ATR Cycle 173C-1 from November 22, 2024, to January 21, 2025.
The gamma-ray emitting radionuclide concentration and decontamination factor results from gamma-ray spectrometry measurements of ATR loop liquid samples by the Radiation Measurements Laboratory (RML) are contained in this report for ATR Cycle 174-A from Feb.24, 2025 to Mar. 03, 2025.
The U.S. Department of Energy Office of Science’s Pacific Northwest Site Office has oversight and stewardship duties associated with the Pacific Northwest National Laboratory Sequim Campus. Facility operations include radiological operations with the potential-to-emit low levels of radioactive materials. This report is prepared to document compliance with the 40 CFR Part 61, National Emission Standards for Hazardous Air Pollutants, Subpart H, “National Emission Standards for Emissions of Radionuclides Other than Radon from Department of Energy Facilities,” and Washington Administrative Code Chapter 246-247, Radiation Protection–Air Emissions. The PNNL Sequim Campus is in compliance with the federal and state 10 mrem/yr standard for 2025 operations.
The gamma-ray emitting radionuclide concentration and decontamination factor results from gamma-ray spectrometry measurements of ATR loop liquid samples by the Radiation Measurements Laboratory (RML) are contained in this report for ATR Cycle 175D from Jan. 23, 2026, to Apr. 26, 2026.
The gamma-ray emitting radionuclide concentration and decontamination factor results from gamma-ray spectrometry measurements of ATR loop liquid samples by the Radiation Measurements Laboratory (RML) are contained in this report for ATR Cycle 175C from Nov. 05, 2025, to Jan. 23, 2026.
The gamma-ray emitting radionuclide concentration and decontamination factor results from gamma-ray spectrometry measurements of ATR loop liquid samples by the Radiation Measurements Laboratory (RML) are contained in this report for ATR Cycle 175-A from Apr. 01, 2025, to Jul. 13,2025.
Cosmic ray produced radionuclides and rare gas isotopes from Saint-Severin meteorite surface, showing relative Kr spallation mass yields dependence on cosmic ray energy spectra
Induced radionuclides in muscle tissues of astronauts by cosmic rays
Apollo 11 lunar rock and fines primordial radionuclide abundances and concentration gradients by gamma ray spectrometry at Lunar Receiving Laboratory
Cosmogenic and primordial radionuclides in Apollo 11 lunar soil and rocks, using nondestructive gamma ray spectral measurements
Apollo 11 lunar rock and soil bombardment produced radionuclide patterns, discussing solar flare protons and alphas, age determination and astronomical models
Measurement of radiation exposure of Apollo 7, 8, 9, and 10 astronauts by determination of radionuclide content of feces and urine
Lost City /Oklahoma/ and Ucera /Venezuela/ meteorites cosmogenic radionuclides data, using nondestructive analysis by gamma-gamma-coincidence counting system
Radionuclides and noble gas isotopic abundances in recently fallen meteorites for cosmic ray exposure ages estimates
Cosmic ray produced radionuclides in Lost City meteorite, determining concentrations by nondestructive two-parameter gamma ray analysis
Primordial radionuclides K, Th and U concentrations in Apollo 12 lunar rocks, breccias and fines, using gamma ray spectrometry
Lunar cosmogenic radionuclides production time and spatial dependence calculations, comparing Apollo 11 and 12 measurements
Cosmogenic radionuclide concentration and exposure ages of Apollo 12 rock from Ocean of Storms