Residual radioactive contamination from decommissioning

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Division of Regulatory Applications, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, Supt. of Docs., U.S. G.P.O. [distributor] , Washington, D.C
Radioactive pollution -- Measurement -- Mathematical models., Radiation dosimetry -- Mathematical models., Nuclear power plants -- Decommissioning -- Environmental aspects -- Mathematical mo
Statementprepared by W.E. Kennedy, Jr., D.L. Strenge.
ContributionsStrenge, D. L., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Regulatory Applications., Pacific Northwest Laboratory.
The Physical Object
FormatMicroform
Paginationv.
ID Numbers
Open LibraryOL14688210M

Specifically, DandD embodies the NRC's screening methodology to allow licensees to convert residual radioactivity contamination levels at their site to annual dose, in a way consistent with both 10 CFR Part 20 and the corresponding implementation guidance currently under development by.

Residual Radioactive Contamination From Decommissioning User's Manual DandD Version Manuscript Completed: March Date Published: April Prepared Residual radioactive contamination from decommissioning book K.

McFadden, Sigma Software LLC D.A. Brosseau, W.E. Beyeler, Sandia National Laboratories C.D. Updegraff, Gram, Inc. Sigma Software LLC Gram, Inc.

@article{osti_, title = {Residual radioactive contamination from decommissioning: Technical basis for translating contamination levels to annual dose}, author = {Kennedy, Jr, W E and Peloquin, R A}, abstractNote = {This document describes the generic modeling of the total effective dose equivalent (TEDE) to an individual in a population from a unit concentration of residual radioactive contamination.

Radioactive contamination. Residual radioactive contamination from decommissioning: Technical basis for translating contamination levels to annual dose Technical Report Kennedy, Jr, W E ; Peloquin, R A This document describes the generic modeling of the total effective dose equivalent (TEDE) to an individual in a population from a unit concentration of residual radioactive contamination.

Residual radioactive contamination from decommissioning. Radioactive pollution -- Measurement -- Mathematical models. Radiation dosimetry -- Mathematical. NUREG/CR Vol. 1: Residual Radioactive Contamination From Decommissioning Author: W.E.

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Kennedy, Jr. and D.L. Strenge Subject: Technical Basis for Translating Contamination Levels to Annual Total Effective Dose Equivalent Created Date: ZFile Size: 6MB. A large number of areas that have been contaminated by residual radioactive material as a result of past activities or accidents require remediation.

nuclear decommissioning and associated radioactive waste activities being undertaken at the eight nuclear sites in Scotland. Radioactive waste management and contaminated site clean-up is. NUREG/CR–, “Residual Radioactive Contamination From Decommissioning: Technical Basis for Translating Contamination Levels to Annual Total Effective Dose Equivalent () by W E Kennedy, D L.

Nuclear decommissioning invariably involves dismantling of plant and equipment that has some degree of radioactive contamination. Dismantling methods generally involve size reduction of the plant and equipment to allow it to be handled and packaged.

There are several methods used for dismantling of plant and equipment. Residual radioactivity of materials from decommissioning of fast reactors "Long-lived activation products in light-water-reactor construction materials.

Implications for decommissioning," Radioactive Waste Management and A.G., Troyanov, M.F. et al. Residual radioactivity of materials from decommissioning of fast reactors. At Energy 78 Cited by: 1. Decontamination Techniques Used in Decommissioning Activities Decontamination is defined as the removal of contamination from surfaces of facilities or equipment by washing, heating, chemical or electrochemical action, mechanical cleaning, or other • to reduce the magnitude of the residual radioactive source in a protective storage.

Purchase Handbook of Radioactive Contamination and Decontamination, Volume 47 - 1st Edition. Print Book & E-Book. ISBNBook Edition: 1. Decommissioning of Destroyed Nuclear Facilities and Sites in Iraq Workshop on Safety Assessment for Decommissioning Denmark, 4 to 8 Oct.

radiation doses and human health risks from residual radioactive contamination for site workers and future site users after release. Residual contamination is radioactive material or beryllium that remains at a work site after activities related to nuclear weapons production has stopped.

Generally, exposures from residual contamination are lower than exposures that occurred during the covered work period. – NUREG/CR, Volume 3, “Residual Radioactive Contamination from Decommissioning”: default, deterministic values for behavioral and metabolic parameters for use by NRC licensees – U.S.

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EPA Exposure Factors Handbook (): extensive data on human behavior and characteristics for use in. Residual concentrates may represent a significant source of radiation before transportation for treatment and/or disposal.

Each step is an expense to the budgeted occupational dose and increases the risk of an unplanned release, such as the uptake of radioactive material that results in higher doses than those from handling the contaminated system without extensive decontamination.

The objective in both decommissioning and environmental remediation is to lower levels of residual radioactivity enough that the sites may be used for any purpose, without restriction. In some cases, however, this may not be practical and restrictions may be placed on future land use.

operation and decommissioning of liquid metal cooled nuclear reactors. In addition to the challenges arising from radioactive contamination of sodium waste, the extremely high chemical reactivity of sodium and sodium eutectics must be taken into account.

to radioactive sodium waste treatment and conditioning technologies for final disposal. Description. This Safety Requirements publication establishes the requirements for the legal and governmental infrastructure in respect of a range of facilities and activities, including nuclear facilities, sources of ionizing radiation, management of radioactive waste and transport of radioactive material.

For decommissioning, the Radiation Protection. For decommissioning of nuclear facilities, The residual radioactive waste, which only accounts for a small. NUREG V3 Residual Radioactive Contamination From Decommissioning Parameter Analysis (PDF) NUREG V4 Comparison of the Models and Assumptions Used in the DandDRESRADand RESRAD-Build Computer Codes with Respect to the Residential Farmer and Industrial Occupant Scenarios Provided in NUREG/CR - draft (PDF).

HTRE-2 post-decommissioning radiation and contamination levels, top view. 40 HTRE-3 post-decommissioning radiation and contamination levels, right side view.

41 HTRE-3 post-decommissioning radiation and contamination levels, left side view 42 HTRE-3 post-decommissioning radiation and contamination levels, front view. 43 Print book: National government publication: EnglishView all editions and formats: Rating: (not yet rated) 0 with reviews - Be the first.

Subjects: Nuclear power plants -- Decommissioning -- United States. Nuclear power plants -- Waste disposal -- United States. Radioactive waste disposal -- United States. View all subjects; More like this. To accomplish this, licensees must be able to demonstrate their knowledge of residual radioactivity in the subsurface, including soil and ground-water contamination, particularly if the subsurface contamination is a significant amount that would require remediation during decommissioning to meet the unrestricted use criteria of 10 CFR “Minimization of Contamination,” and Section“Surveys and Monitoring, General,” of the Code of Federal Regulations (10 CFR and ) (Ref.

Licensees of operating facilities are required to minimize contamination and radioactive waste generation, conduct appropriate radiological surveys, and maintain records.

Description Residual radioactive contamination from decommissioning PDF

NRC/NUC - NUREG CR V1 RESIDUAL RADIOACTIVE CONTAMINATION FROM DECOMMISSIONING TECHNICAL BASIS FOR TRANSLATING, CONTAMINATION LEVELS TO ANNUAL TOTAL EFFECTIVE DOSE EQUIVALENT active.

NUREG V3 Residual Radioactive Contamination From Decommissioning Parameter Analysis -draft - might take a while to fully open NUREG V4 Comparison of the Models and Assumptions Used in the DandDRESRADand RESRAD-Build Computer Codes with Respect to the Residential Farmer and Industrial Occupant Scenarios Provided in.

A large number of areas that have been contaminated by residual radioactive material as a result of past activities or accidents require remediated as part of a larger decommissioning project, if such a project is being prepared, or as a standalone project. with the radioactive contamination.

Although the non-radiological hazards. Status: Closed - Implemented. Comments: On MaNRC directed its staff to prepare a proposed rule on decommissioning staff has considered the residual radiation standards proposed by the Health Physics Society Standards Committee.

On ApNRC approved a plan to conduct a rulemaking on radiological criteria for decommissioning. possesses radioactive material, including residual radioactive material, shall: i.

Limit actions involving radioactive material to those related to decommissioning; and, ii. Continue to control entry to restricted areas until they are suitable for release in accordance with Agency requirements.

Sec. O.6 - Decommissioning Timeliness. Welcome to the Health Physics Society. Find information and answers to your questions about radiation and radiation safety/protection. For many years radiation has been beneficial to human beings for medical diagnosis and therapy, scientific research, and generating electrical power.

However, when used in unsafe ways, radiation can harm people.SUBCHAPTER G: DECOMMISSIONING STANDARDS '', each licensee shall ensure that radioactive contamination has been removed to levels as low as is reasonable effort has been made to eliminate residual radioactive contamination, if present; (3) the site is suitable for release.Radioactive contamination, also called radiological contamination, is the deposition of, or presence of radioactive substances on surfaces or within solids, liquids or gases, where their presence is unintended or undesirable.

Such contamination presents a hazard because of the radioactive decay of the contaminants, which produces such harmful effects as ionising radiation and free neutrons.

The degree of hazard is determined by the concentration of the contaminants, the energy of the radiation b.