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Title: STATUS OF PORTABLE NON DESTRUCTIVE ASSAY (NDA) AT THE PLUTONIUM FINISHING PLANT (PFP)

Collimated portable gamma-ray detectors are used to quantify the plutonium holdup in support of facility deactivation and decommissioning. The Generalized Geometry Holdup model recently has been implemented for data reduction to support a new decontamination and decommissioning mission. An approach to assess the total measurement uncertainty (TMU) has been developed. The TMU is added to the assay value for compliance with safety based limits. Details of the measurement techniques and comparisons to assays of materials removed are described.
Authors:
Publication Date:
OSTI Identifier:
841016
Report Number(s):
HNF-26370-FP, Rev.0
TRN: US0502427
DOE Contract Number:
AC06-96RL13200
Resource Type:
Conference
Resource Relation:
Conference: Conference title not supplied, Conference location not supplied, Conference dates not supplied; Other Information: PBD: 10 Jun 2005
Research Org:
FH (US)
Sponsoring Org:
ENVIRONMENTAL MANAGEMENT (US)
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; SURPLUS NUCLEAR FACILITIES; DECOMMISSIONING; DECONTAMINATION; PLUTONIUM; NONDESTRUCTIVE ANALYSIS; GAMMA DETECTION; RADIATION DETECTORS