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TYPE A VERIFICATION REPORT FOR THE HIGH FLUX BEAM REACTOR STACK AND GROUNDS, BROOKHAVEN NATIONAL LABORATORY, UPTON, NEW YORK DCN 5098-SR-08-0

Description: The U.S. Department of Energy (DOE) Order 458.1 requires independent verification (IV) of DOE cleanup projects (DOE 2011). The Oak Ridge Institute for Science and Education (ORISE) has been designated as the responsible organization for IV of the High Flux Beam Reactor (HFBR) Stack and Grounds area at Brookhaven National Laboratory (BNL) in Upton, New York. The IV evaluation may consist of an in-process inspection with document and data reviews (Type A Verification) or a confirmatory survey of … more
Date: November 30, 2011
Creator: Harpenau, Evan
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Use grading of classified slugs

Description: This memorandum discusses an agreement reached by members of the Technical Division, Operating Department, and Technical Department as to groups of slug classifications to be assigned to regions of varying degrees of severity of exposure in the pile. Estimates of the slugs to be available in the groups established are included herein, together with a plan for allocation to the pile.
Date: August 11, 1994
Creator: Crane, P. W. & Lewis, E. V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hazard Classification for Fuel Supply Shutdown Facility

Description: Final hazard classification for the 300 Area N Reactor fuel storage facility resulted in the assignment of Nuclear Facility Hazard Category 3 for the uranium metal fuel and feed material storage buildings (303-A, 303-B, 303-G, 3712, and 3716). Radiological for the residual uranium and thorium oxide storage building and an empty former fuel storage building that may be used for limited radioactive material storage in the future (303-K/3707-G, and 303-E), and Industrial for the remainder of the F… more
Date: September 7, 2000
Creator: BENECKE, M.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A RECOMMENDED PASQUILL-GIFFORD STABILITY CLASSIFICATION METHOD FOR SAFETY BASIS ATMOSPHERIC DISPERSION MODELING AT SRS

Description: Several of the most common methods for estimating Pasquill-Gifford (PG) stability (turbulence) class were evaluated for use in modeling the radiological consequences of SRS accidental releases using the MELCOR Accident Consequence Code System, Ver. 2 (MACCS2). Evaluation criteria included: (1) the ability of the method to represent diffusion characteristics above a predominantly forested landscape at SRS, (2) suitability of the method to provide data consistent with the formulation of the MACCS… more
Date: March 28, 2012
Creator: Hunter, C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A POTENTIAL APPLICATION OF UNCERTAINTY ANALYSIS TO DOE-STD-3009-94 ACCIDENT ANALYSIS

Description: The objective of this paper is to assess proposed transuranic waste accident analysis guidance and recent software improvements in a Windows-OS version of MACCS2 that allows the inputting of parameter uncertainty. With this guidance and code capability, there is the potential to perform a quantitative uncertainty assessment of unmitigated accident releases with respect to the 25 rem Evaluation Guideline (EG) of DOE-STD-3009-94 CN3 (STD-3009). Historically, the classification of safety systems i… more
Date: May 10, 2007
Creator: Palmrose, D. E. & Yang, J. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Radiological status report for the EBWR containment building. Volume 1: Summary and analysis

Description: At the conclusion of the EBWR D and D process, ANL Health Physics conducted a release survey to determine the radiological status of the facility. The primary goal of the survey was to verify that residual activities on building surfaces met DOE and ANL guidelines for downposting of a Radiologically Contaminated Area to a Radiologically Controlled Area. The resultant area was to bear no contamination designation, with no requirements for radiological personnel monitoring or protective clothing.… more
Date: February 1, 1996
Creator: Murdoch, B.T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Premature saturation in backpropagation networks: Mechanism and necessary conditions

Description: The mechanism that gives rise to the phenomenon of premature saturation of the output units of feedforward multilayer neural networks during training with the standard backpropagation algorithm is described. The entire process of premature saturation is characterized by three distinct stages and it is concluded that the momentum term plays the leading role in the occurrence of the phenomenon. The necessary conditions for the occurrence of premature saturation are presented and a new method is p… more
Date: August 1, 1997
Creator: Vitela, J. E. & Reifman, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Fission product security problem

Description: Reference (2) requested that we review the possibilities that classified information might be revealed by isotopic composition of fission products, and suggest methods of making any such compositions. These questions have been reviewed thoroughly by Hanford Laboratories experts; their analysis confirms earlier conclusions (Reference 1). Based on current classification guides, isotopic compositions of cesium, promethium, and probably other rate earths could reveal secret information. Unless clas… more
Date: February 27, 1964
Creator: Warren, J. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Calculations in support of a potential definition of large release

Description: The Nuclear Regulatory Commission has stated a hierarchy of safety goals with the qualitative safety goals as Level I of the hierarchy, backed up by the quantitative health objectives as Level II and the large release guideline as Level III. The large release guideline has been stated in qualitative terms as a magnitude of release of the core inventory whose frequency should not exceed 10{sup -6} per reactor year. However, the Commission did not provide a quantitative specification of a large r… more
Date: May 1, 1994
Creator: Hanson, A. L.; Davis, R. E. & Mubayi, V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hazards assessment document for receiving basin for offsite fuel (244-H) and resin regeneration facility (245-H) (RBOF/RRF)

Description: The Hazard Assessment Document (HAD) for the Receiving Basin for Offsite Fuels (RBOF), Building 244-H, and the Resin Regeneration Facility (RRF), Building 245-H, was prepared in accordance with Department of Energy (DOE) Order 5480.23, DOE-STD-1 027-92, and WSRC-MS-92-206. The HAD provides hazards categorizations based on the radiological and chemical hazards associated with the facility. The hazard category is used to provide the input data for a graded approach to the development of the facil… more
Date: July 1994
Creator: Miner, A. N. & Ortaldo, S. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Linkage of PRA models. Phase 1, Results

Description: The goal of the Phase I work of the ``Linkage of PRA Models`` project was to postulate methods of providing guidance for US Nuclear Regulator Commission (NRC) personnel on the selection and usage of probabilistic risk assessment (PRA) models that are best suited to the analysis they are performing. In particular, methods and associated features are provided for (a) the selection of an appropriate PRA model for a particular analysis, (b) complementary evaluation tools for the analysis, and (c) a… more
Date: December 1, 1995
Creator: Smith, C. L.; Knudsen, J. K. & Kelly, D. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hazard baseline documentation

Description: This DOE limited technical standard establishes uniform Office of Environmental Management (EM) guidance on hazards baseline documents that identify and control radiological and nonradiological hazards for all EM facilities. It provides a road map to the safety and health hazard identification and control requirements contained in the Department`s orders and provides EM guidance on the applicability and integration of these requirements. This includes a definition of four classes of facilities … more
Date: August 1, 1994
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Storage and Assay of Tritium in STAR

Description: The Safety and Tritium Applied Research (STAR) facility has recently been commissioned to investigate tritium-related safety questions for fusion and other technologies. The authorized inventory of tritium is 1.6 grams, the threshold quantity for nuclear facility classification. A key capability in successful operation of the STAR facility is the ability to receive, inventory, and dispense tritium to the various experiments underway there. The system central to that function is the Tritium Stor… more
Date: September 1, 2004
Creator: Longhurst, Glen R.; Anderl, Robert A. & Pawelko, Robert J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Method for chug classification

Description: A method is presented which classifies the late time condensation phenomena of chugging as it occurs in pressure suppression tests. The method uses a five (5) character letter code which describes both the spectral (frequency) and temporal characteristics of a chug event. 8 figures.
Date: April 1, 1981
Creator: McCauley, E.W.; Weaver, H.J. & Altenbach, T.J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

A classification scheme for LWR fuel assemblies

Description: With over 100 light water nuclear reactors operating nationwide, representing designs by four primary vendors, and with reload fuel manufactured by these vendors and additional suppliers, a wide variety of fuel assembly types are in existence. At Oak Ridge National Laboratory, both the Systems Integration Program and the Characteristics Data Base project required a classification scheme for these fuels. This scheme can be applied to other areas and is expected to be of value to many Office of C… more
Date: November 1, 1988
Creator: Moore, R.S.; Williamson, D.A. & Notz, K.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Light-water reactor accident classification

Description: The evolution of existing classifications and definitions of light-water reactor accidents is considered. Licensing practice and licensing trends are examined with respect to terms of art such as Class 8 and Class 9 accidents. Interim definitions, consistent with current licensing practice and the regulations, are proposed for these terms of art.
Date: February 1, 1980
Creator: Washburn, B. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Designation of facility usage categories for Hanford Site facilities

Description: This report summarizes the Hanford Site methodology used to ensure facility compliance with the natural phenomena design criteria set forth in the US Department of Energy Orders and guidance. The current Hanford Site methodology for Usage Category designation is based on an engineered feature's safety function and on the feature's assigned Safety Class. At the Hanford Site, Safety Class assignments are deterministic in nature and are based on teh consequences of failure, without regard to the l… more
Date: October 1, 1991
Creator: Woodrich, D. D.; Ellingson, D. R.; Scott, M. A. & Schade, A. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Technology, safety and costs of decommissioning a reference pressurized water reactor power station. Classification of decommissioning wastes. Addendum 3

Description: The radioactive wastes expected to result from decommissioning of the reference pressurized water reactor power station are reviewed and classified in accordance with 10 CFR 61. The 17,885 cubic meters of waste from DECON are classified as follows: Class A, 98.0%; Class B, 1.2%; Class C, 0.1%. About 0.7% (133 cubic meters) of the waste would be generally unacceptable for disposal using near-surface disposal methods.
Date: September 1, 1984
Creator: Murphy, E. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Technology, safety and costs of decommissioning a reference boiling water reactor power station. Classification of decommissioning wastes. Addendum 2

Description: The radioactive wastes expected to result from decommissioning of the reference boiling water reactor power station are reviewed and classified in accordance with 10 CFR 61. The 18,949 cubic meters of waste from DECON are classified as follows: Class A, 97.5%; Class B, 2.0%; Class C, 0.3%. About 0.2% (47 cubic meters) of the waste would be generally unacceptable for disposal using near-surface disposal methods.
Date: September 1, 1984
Creator: Murphy, E. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Categorization of PWR accident sequences and guidelines for fault trees: seismic initiators

Description: This study developed a set of dominant accident sequences that could be applied generically to domestic commercial PWRs as a standardized basis for a probabilistic seismic risk assessment. This was accomplished by ranking the Zion 1 accident sequences. The pertinent PWR safety systems were compared on a plant-by-plant basis to determine the applicability of the dominant accident sequences of Zion 1 to other PWR plants. The functional event trees were developed to describe the system functions t… more
Date: September 1, 1984
Creator: Kimura, C.Y.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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