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OLS Field Name OLS Field Data
Main Title Field Determination of Dose from 133Xe in the Plume from a Pressurized Water Reactor.
Author Karche, G. J. ; Kold, H. E. ; Brinc, W. L. ; Sheari, R. L. ; Phillip, C. R. ;
CORP Author Eastern Environmental Radiation Lab., Montgomery, Ala.
Year Published 1971
Report Number SM-148/30;
Stock Number PB-213 906
Additional Subjects ( Radioactive contaminants ; Xenon isotopes) ; ( Gamma counters ; Radioactive contaminants) ; Pressurized water reactors ; Air pollution ; Dose rate ; FIDLER detectors ; Xenon 133
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB-213 906 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 10p
Abstract
A commercailly available instrument designed for measuring low-energy gamma radiation has been successfully used to monitor the plume from a pressurized water reactor (PWR). The detector consists of a 1/16-in. thick by 5-in. diameter NaI(Tl) crystal optically coupled through a quartz light pipe to a 5-in. multiplier phototube. Pulses from the detector are sorted by use of a single-channel pulse height analyser and read from a linear-log meter. Response of the instrument is compared with a tissue-equivalent ionization chamber to approximate the external dose to persons in or near the plume. The instrument response at a distance of 0.4 mile was six times the background reading. At distances greater than one mile the plume was still easily detectable. The detector system described is applicable for tracking the plume from RWRs, and can also be used for estimating the dose to the population for both decay tank discharges and accidental releases. (Author)