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Application of lysimeter data as input to performance assessment evaluations of a low-level waste disposal facility

Description: The Field Lysimeter Investigations: Low-Level Waste Data Base Development Program is obtaining information on the performance of radioactive waste in a disposal environment. Waste forms fabricated using ion-exchange resins from EPICOR-II are being tested to develop a low-level waste data base and to obtain information on survivability of waste forms in a disposal environment. The program includes examining radionuclide releases from waste forms in the first seven years of sampling. Also, lysime… more
Date: May 1, 1993
Creator: McConnell, J. W. Jr.; Rogers, R. D.; Sullivan, T. M.; Jastrow, J .D.; Hicks, D. S. & Brey, R. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Characterization of spent fuel approved testing material: ATM-103

Description: The characterization data obtained to date are described for Approved Testing Material (ATM)-103, which is spent fuel from Assembly D101 of pressurized-water reactor Calvert Cliffs, No. 1. This report is one in a series being written by the Materials Characterization Center (MCC) at Pacific Northwest Laboratory (PNL) on spent fuel ATMs. The ATMs are receiving extensive examinations to provide a source of well-characterized spent fuel for testing in the US nuclear waste repository program. ATM-1… more
Date: April 1, 1988
Creator: Guenther, R. J.; Blahnik, D. E.; Campbell, T. K.; Jenquin, U. P.; Mendel, J. E.; Thomas, L. E. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Plutonium and cesium radionuclides in the Hudson River estuary. Annual technical progress report, December 1, 1976--November 30, 1977

Description: We have obtained a large set of sediment cores from the Hudson estuary through much of the ambient salinity range. A number of core sections and samples of suspended particles have been analyzed for /sup 137/Cs, /sup 134/Cs and /sup 60/Co by direct gamma counting, and /sup 239/Pu, /sup 240/Pu, and /sup 238/Pu by alpha spectrometry. The distribution of both /sup 137/Cs and /sup 239/Pu, /sup 240/Pu indicates rapid accumulation in marginal cover areas, and especially in the harbor region adjacent … more
Date: January 1, 1977
Creator: Simpson, H. J. & Trier, R. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radiochemical analyses of soil and vegetation samples taken from the Hanford environs, 1971--1976

Description: Soil and vegetation have routinely been collected on the Hanford Site and surrounding environs as one method of monitoring radionuclide concentrations potentially attributable to Hanford operations. With the exception of a few locations, the data indicate that Hanford operations have made no significant contribution to existing radionuclide concentrations in soil and vegetation. Most of the activity seen in the samples can be attributed to natural causes or worldwide atmospheric fallout. The fe… more
Date: June 1, 1977
Creator: Miller, M. L.; Fix, J. J. & Bramson, P. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radiochemical studies for the nuclear chemical mining of copper. [Nuclear explosive fracturing]

Description: Experiments were performed to study the long-term reactions of radioactive materials that would be produced in the nuclear chemical mining of chalcopyrite copper ore. These reactions were carried out in autoclaves for up to eight months at 2.76 MPa of oxygen and 363 K. Dissolving rates of radioactive glass in copper-leaching product solutions were determined by the gamma-counting of solution aliquots. The glass decomposition rate was linear at approximately 1 x 10/sup -10/ kg/s.m/sup 2/. A radi… more
Date: February 19, 1976
Creator: Jackson, D. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Gamma scanning the primary circuit of the Peach Bottom HTGR

Description: The plateout distribution of gamma-emitting nuclides in the primary circuit of the Peach Bottom HTGR at end-of-life has been determined by in situ gamma scanning. The specific activity was mapped by scanning the accessible ducting at 12 locations with a Ge(Li) detector and by axially traversing 79 steam generator tubes with travelling CdTe detectors from the water side. Following destructive removal of trepan samples, a travelling intrinsic germanium detector was inserted sequentially into two … more
Date: October 31, 1976
Creator: Hanson, D. L.; Baldwin, N. L. & Selph, W. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Modeling of radiation doses from chronic aqueous releases. [Tritium, /sup 134/Cs, /sup 137/Cs]

Description: A general model and corresponding computer code were developed to calculate personnel dose estimates from chronic releases via aqueous pathways. Potential internal dose pathways are consumption of water, fish, crustacean, and mollusk. Dose prediction from consumption of fish, crustacean, or mollusk is based on the calculated radionuclide content of the water and applicable bioaccumulation factor. 70-year dose commitments are calculated for whole body, bone, lower large intestine of the gastroin… more
Date: January 1, 1976
Creator: Watts, J. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Plutonium and cesium radionuclides in the Hudson River Estuary. Annual technical progress report, 1 December 1975--30 November 1976

Description: We have obtained a large set of cores from the Hudson Estuary covering nearly all of the ambient salinity range. A number of core sections have been analyzed for /sup 137/Cs, /sup 134/Cs, /sup 60/Co and /sup 40/K by direct gamma counting and for /sup 239/,/sup 240/Pu and /sup 238/Pu by alpha-spectrometry. Rapid accumulation, up to 20 cm/year, of sediments containing /sup 239/,/sup 240/Pu, /sup 137/Cs, /sup 134/Cs and /sup 60/Co occurs in New York Harbor. Marginal coves upstream from the harbor … more
Date: January 1, 1976
Creator: Simpson, H. J. & Williams, S. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

324 Building Baseline Radiological Characterization

Description: This report documents the analysis of radiological data collected as part of the characterization study performed in 1998. The study was performed to create a baseline of the radiological conditions in the 324 Building.
Date: June 24, 2010
Creator: R.J. Reeder, J.C. Cooper
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Idaho National Engineering Laboratory waste area groups 1--7 and 10 Technology Logic Diagram. Volume 1

Description: The Technology Logic Diagram was developed to provide technical alternatives for environmental restoration projects at the Idaho National Engineering Laboratory. The diagram (three volumes) documents suggested solutions to the characterization, retrieval, and treatment phases of cleanup activities at contaminated sites within 8 of the laboratory`s 10 waste area groups. Contaminated sites at the laboratory`s Naval Reactor Facility and Argonne National Laboratory-West are not included in this dia… more
Date: September 1, 1993
Creator: O`Brien, M. C.; Meservey, R. H.; Little, M.; Ferguson, J. S. & Gilmore, M. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

ACCUMULATION OF RADIOCESIUM BY MUSHROOMS IN THE ENVIRONMENT: A LITERATURE REVIEW

Description: During the last 50 years, a large amount of information on radionuclide accumulators or ''sentinel-type'' organisms in the environment has been published. Much of this work focused on the risks of food-chain transfer of radionuclides to higher organisms such as reindeer and man. However, until the 1980's and 1990's, there has been little published data on the radiocesium ({sup 134}Cs and {sup 137}Cs) accumulation by mushrooms. This presentation will consist of a review of the published data for… more
Date: May 28, 2007
Creator: Duff, M
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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ACCUMULATION OF RADIOCESIUM BY MUSHROOMS IN THE ENVIRONMENT: A LITERATURE REVIEW AND IMAGE GALLERY

Description: During the last 50 years, a large amount of information on radionuclide accumulators or 'sentinel-type' organisms in the environment has been published. Much of this work focused on the risks of food-chain transfer of radionuclides to higher organisms such as reindeer and man. However, until the 1980's and 1990's, there has been little published data on the radiocesium ({sup 134}Cs and {sup 137}Cs) accumulation by mushrooms. This presentation will consist of a review of the published data for {… more
Date: November 5, 2006
Creator: Duff, M & Mary Ramsey, M
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Long-term lysimeter field testing of low-level radioactive waste forms

Description: The Field Lysimeter Investigations: Low-Level Waste Data Base Development Program is obtaining information on the performance of radioactive waste forms. Ion-exchange resins from a nuclear power station were solidified into waste forms using portland cement and vinyl esterstyrene. These waste forms are being tested to obtain information on survivability of waste forms in a disposal environment and to develop a low-level waste data base. Radionuclide releases from those waste forms during the fi… more
Date: December 1, 1995
Creator: McConnell, J.W. Jr.; Rogers, R.D.; Jastrow, J.D.; Sanford, W.E. & Sullivan, T.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Cycling of Cesium-134 in White Oak Trees on Sites of Contrasting Soil Type and Moisture

Description: The cycle of cesium-134 (2 mu c) in white oak trees on four sites differing soil type and moisture was followed. Gains, losses, and transfers were estimated by sampling from inoculated trees, understory, litter, and soil. With rapid translocation into leaves from initial trunk inoculations in the spring, white oak leaves contained 10/sup 5/ to 10/sup 6/ dpm per g dry weight by early June. This represented a total transfer of about 40% of the original input. From rains, loss from leaves continue… more
Date: November 1, 1962
Creator: Witherspoon, J. P., Jr.; Auerbach, S. I. & Olson, J. S.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries Government Documents Department
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