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DOI	10.2172/785809
Title	A Radiological Characterization of the KIWI-I Vehicle
Creator/Author	S.R. Riedhauser
Publication Date	1999 Mar 01
OSTI Identifier	OSTI ID: 785809
Report Number(s)	DOE/NV/11718--298
DOE Contract Number	AC08-96NV11718
DOI	10.2172/785809
Other Number(s)	TRN: AH200131%%359
Resource Type	Technical Report
Resource Relation	Other Information: PBD: 1 Mar 1999
Coverage	Topical
Research Org	Bechtel Nevada Corporation (US)
Sponsoring Org	US Department of Energy (US)
Subject	46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 54 ENVIRONMENTAL SCIENCES; CONTAMINATION; DATA ACQUISITION SYSTEMS; DATA PROCESSING; SITE CHARACTERIZATION; VEHICLES; RADIATION DETECTORS; SOILS
Description/Abstract	A review was conducted of the previous Kiwi characterization to understand apparent differences in measured contamination levels observed during recent field work between Kiwi-reported activities and values from another system. The review assessed how the data were processed as well as the assumptions behind the measurement techniques employed. The review included a reassessment of how calculations of conversion factors were preformed. The review also checked for errors in the measurements or calculations of the data collected at these sites. In addition, new characterization measurements were made and new characterization techniques investigated for the Kiwi detector array. These measurements and techniques led to new calculations of conversion factions for the array, which are compared to the previous conversion factors. The new measurements confirmed that the Kiwi detectors are very reproducible in measuring the photopeak count rate from a surface distribution of activity ({+-}3%). Finally, a review was conducted of the various parameters which describe the exponential distribution of activity with depth in the soil. New values have been assigned to the relaxation length and the averaging depth. When combined with the new characterization measurements, they produce a 75% increase over the previous conversion factor.
Country of Publication	United States
Language	English
Format	Size: vp.
Availability	INIS; OSTI as DE00785809 To purchase this media from NTIS, click here
System Entry Date	2007 Apr 16
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