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Development and Characterization of a Tabletop Fog Chamber at Sandia National Laboratories.
Abstract not provided.
Integrated photonics for trapped ion quantum information experiments at Sandia National Laboratories.
Abstract not provided.
Sediment and groundwater metagenomes from subsurface microbial communities from the Oak Ridge National Laboratory Oak Ridge Reservation, Oak Ridge, Tennessee, USA
We report 26 subsurface sediment and 9 groundwater metagenomes from the Oak Ridge Reservation at Oak Ridge, TN, USA. Samples were collected from various depths and phases (attached vs planktonic) to study subsurface microbial metabolism, the effect of contamination on microbial communities, and differences across groundwater and sediment microbial communities.
(Invited) Overview of the U.S. Department of Energy’s National Laboratory Consortia to Improve Fuel Cells for Heavy-Duty Applications
Explore the source record for details and available documents.
Subchannel Methods Development for Modeling of Light Water Reactors at Oak Ridge National Laboratory
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Soil and soil fraction radiocarbon, C and N from the Enriched Background Isotope Study, Oak Ridge National Laboratory, Tennessee, USA
A large accidental 14CO2 release at the Oak Ridge Reservation in Tennessee, USA provided a strong label pulse into adjacent, well-studied oak forests, resulting in highly elevated Δ14C values in leaf litter (~1000‰) and roots (~260–450‰). A four-year manipulative study was conducted to provide insight into mechanisms underlying soil Organic matter dynamics, specifically to determine the relative contribution of litter versus roots to the bulk mineral soil C pool, as well as to free light, occluded light and heavy fractions. The heavy fraction was further split into fractions with densities of 1.7–2.4 g cm-3 and >2.4 g cm-3 to test the homogeneity of the mineral-associated fraction of C. Substantial concentrations of label were detected in all soil fractions within a year of the 14CO2 release, indicating rapid incorporation of newly fixed photosynthates in all fractions of soil organic C, regardless of differences in stability inferred by previous work. This rapid incorporation of label occurred only in treatments where roots were labeled, indicating that roots are the major source of inputs to mineral soil C stocks at these sites. Separation of the heavy fraction into subfractions of intermediate (1.7–2.4 g cm -3) and high (>2.4 g cm-3) density indicated that both subfractions incorporated label at similar rates, despite significant differences in degree of microbial processing.
Long-Term Monitoring & Stewardship at Los Alamos National Laboratory [Slides]
Development and implementation of the Institutional Control Evaluation Project will include: Evaluate institutional surface water controls and infrastructure installed by LANL. Implement pilot project in the Los Alamos Canyon Watershed Spring, 2020. Initial evaluations will include canyon bottom controls with plan to expand program as funding allows. This will be a building block for successful Long-Term Monitoring and Stewardship (LTM&S) Program.
Evaluation of Sites for Advanced Reactor Demonstrations at Idaho National Laboratory
The purpose of this siting evaluation is to identify a list of candidate site locations or areas within INL boundaries for onsite demonstration of advanced reactors. A comparison of suitable advanced reactor sites is provided and includes evaluation of existing buildings, previously developed sites, and undeveloped sites across the INL Site.
Final Evaluation Report for the Sandia National Laboratories Recorded Information Management Training Program
The Recorded Information Management (RIM) training and guidance materials were originally evaluated to determine the current status of the training program. Specifically, how and where are training materials implemented and are members of the workforce (MOWs) regularly accessing them. The evaluation highlighted that there is a breadth of training materials and guidance available; however, the materials are often outdated, point to old Sandia Policies, and/or are in outdated templates. Additionally, there is currently no single-entry point for training, meaning that training is available via the RIM homepage, TEDs, etc. This means that MOWs must search in various webpages or systems for training. To ensure RIM training materials are regularly updated and are accessible for MOWs it is recommended to assign one staff member to manage the program training materials.
Lawrence Livermore National Laboratory ABSL-3 Tissue Digester Run Data Report
Purpose: Provide data from a water run of the LLNL tissue digestor to confirm operational status for possible extension of Medical Waste permit, since the annual recertification maintenance and testing could not take place due to the shelter-in-place of the tissue digester vendor who is located outside of California. This is a unique medical waste device and the vendor who certifies our other medical waste equipment (permitted autoclaves), does not service the tissue digester.
Investigation of High Burnup Ceramic Fuel Microstructure at Idaho National Laboratory
This work presents the results obtained from several projects related to the study of the High Burnup Structure in Light Water Reactors.
Los Alamos National Laboratory [Slides]
Agenda for this presentation includes campus master planning and recap project prioritization (functionality).
Lawrence Livermore National Laboratory ABSL-3 Tissue Digester 12 June 2020 Run Data Report, Report 2
Purpose: Provide data from a water run of the LLNL tissue digester to confirm operational status for possible extension of Medical Waste permit, since the annual recertification maintenance and testing could not take place due to the shelter-in-place of the tissue digester vendor who is located outside of California. This is a unique medical waste device and the vendor who certifies our other medical waste equipment (permitted autoclaves), does not service the tissue digester.
Lawrence Livermore National Laboratory ABSL-3 Tissue Digester 12 June 2020 Run Data Report
Purpose: Provide data from a water run of the LLNL tissue digester to confirm operational status for possible extension of Medical Waste permit, since the annual recertification maintenance and testing could not take place due to the shelter-in-place of the tissue digester vendor who is located outside of California. This is a unique medical waste device and the vendor who certifies our other medical waste equipment (permitted autoclaves), does not service the tissue digester.
APS Science 2019 Volume 2: Research and Engineering Highlights from the Advanced Photon Source at Argonne National Laboratory
This issue of our bi-annual highlights roundup includes a bit of time shifting. The book features a second batch of articles looking back on the calendar year 2019 work of our incomparable users and staff, but included also are some science highlights and other content driven by the COVID-19 pandemic.
Lawrence Livermore National Laboratory ABSL-3 Tissue Digester (8 July 2020 Run Data Report, Report 3)
Purpose: Provide data from a water run of the LLNL tissue digester to confirm operational status for possible extension of Medical Waste permit, since the annual recertification maintenance and testing could not take place due to the shelter-in-place of the tissue digester vendor who is located outside of California. This is a unique medical waste device and the vendor who certifies our other medical waste equipment (permitted autoclaves), does not service the tissue digester.
Uranium Disposition Efforts at Los Alamos National Laboratory
Summary: Doing uranium work in a plutonium facility has challenges: NDA is geared to plutonium, Pu contamination, DU discards. The future volume of the feed stream to UED is dependent on pit disassembly. The dilute and dispose Pu disposition option will cause the HEU stream to grow significantly. Shipping HEU metal directly to Y-12 is a long term goal.