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Title: Gamma monitor for assay of radioactive solid-waste shipments

A gamma waste monitor has been developed and evaluated at the Savannah River Plant (SRP). The purpose of the monitor is to improve estimates of the radionuclides in solid wastes arriving at the plant's burial ground. This monitor, a computer-based spectrometer, quantitatively measures many radionuclides in SRP waste, including waste in heavily shielded shipping casks. Radionuclides emitting gamma rays of sufficient energy to penetrate the shipping container walls can be measured directly. Other radionuclides that are beta emitters or which emit gamma photons too weak to penetrate the walls of the waste containers can often be estimated by their association with measurable gamma photons. Development of the monitor was initiated to find a more accurate method of estimating the quantities of radioactive materials accumulated in the burial ground and to ensure compliance with burial limits imposed by SRP technical standards. Another benefit from the monitor is that it provides specific radionuclide data which are essential to environmental impact evaluations and decommissioning planning. The gamma waste monitor is described. (WHK)
Authors:
Publication Date:
OSTI Identifier:
5076455
Report Number(s):
DPSPU-81-30-14; CONF-820655-8
ON: DE82020095
DOE Contract Number:
AC09-76SR00001
Resource Type:
Conference
Resource Relation:
Conference: Health Physics Society annual meeting, Las Vegas, NV, USA, 27 Jun 1982
Research Org:
Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Plant
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; GAMMA SPECTROMETERS; HIGH-PURITY GE DETECTORS; RADIOACTIVE WASTES; GAMMA SPECTROSCOPY; RADIATION MONITORING; GAMMA DETECTION; RADIOACTIVE WASTE STORAGE; DETECTION; GE SEMICONDUCTOR DETECTORS; MANAGEMENT; MATERIALS; MEASURING INSTRUMENTS; MONITORING; RADIATION DETECTION; RADIATION DETECTORS; RADIOACTIVE MATERIALS; SEMICONDUCTOR DETECTORS; SPECTROMETERS; SPECTROSCOPY; STORAGE; WASTE MANAGEMENT; WASTE STORAGE; WASTES 440103* -- Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation; 052002 -- Nuclear Fuels-- Waste Disposal & Storage