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Title: Device and method for accurately measuring concentrations of airborne transuranic isotopes

Abstract

An alpha continuous air monitor (CAM) with two silicon alpha detectors and three sample collection filters is described. This alpha CAM design provides continuous sampling and also measures the cumulative transuranic (TRU), i.e., plutonium and americium, activity on the filter, and thus provides a more accurate measurement of airborne TRU concentrations than can be accomplished using a single fixed sample collection filter and a single silicon alpha detector.

Inventors:
 [1];  [1];  [2];  [3];  [4];  [1]
  1. Idaho Falls, ID
  2. Arco, ID
  3. Blackfoot, ID
  4. Pocatello, ID
Issue Date:
Research Org.:
EG & G IDAHO INC
OSTI Identifier:
870593
Patent Number(s):
5552610
Assignee:
Lockheed Idaho Technologies Company (Idaho Falls, ID)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION
DOE Contract Number:  
AC07-76ID01570
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
device; method; accurately; measuring; concentrations; airborne; transuranic; isotopes; alpha; continuous; air; monitor; silicon; detectors; sample; collection; filters; described; design; provides; sampling; measures; cumulative; tru; plutonium; americium; activity; filter; accurate; measurement; accomplished; single; fixed; detector; continuous air; sample collection; air monitor; design provides; accurate measurement; accurately measuring; alpha detector; collection filter; provides continuous; measuring concentration; accurate measure; alpha detectors; alpha continuous; continuous sampling; /250/

Citation Formats

McIsaac, Charles V, Killian, E Wayne, Grafwallner, Ervin G, Kynaston, Ronnie L, Johnson, Larry O, and Randolph, Peter D. Device and method for accurately measuring concentrations of airborne transuranic isotopes. United States: N. p., 1996. Web.
McIsaac, Charles V, Killian, E Wayne, Grafwallner, Ervin G, Kynaston, Ronnie L, Johnson, Larry O, & Randolph, Peter D. Device and method for accurately measuring concentrations of airborne transuranic isotopes. United States.
McIsaac, Charles V, Killian, E Wayne, Grafwallner, Ervin G, Kynaston, Ronnie L, Johnson, Larry O, and Randolph, Peter D. Mon . "Device and method for accurately measuring concentrations of airborne transuranic isotopes". United States. https://www.osti.gov/servlets/purl/870593.
@article{osti_870593,
title = {Device and method for accurately measuring concentrations of airborne transuranic isotopes},
author = {McIsaac, Charles V and Killian, E Wayne and Grafwallner, Ervin G and Kynaston, Ronnie L and Johnson, Larry O and Randolph, Peter D},
abstractNote = {An alpha continuous air monitor (CAM) with two silicon alpha detectors and three sample collection filters is described. This alpha CAM design provides continuous sampling and also measures the cumulative transuranic (TRU), i.e., plutonium and americium, activity on the filter, and thus provides a more accurate measurement of airborne TRU concentrations than can be accomplished using a single fixed sample collection filter and a single silicon alpha detector.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}