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Automated Radioxenon Sampler-Analyzer beta-coincidence spectrometer is an integral part of the system. The system analyzes air samples for radioactive xenon, or radioxenon, that seep from underground nuclear explosions the most common testing method today but the most difficult to detect. ARSA has a detection sensitivity 10 to 100 times greater than other systems being used. It is the only completely automated radioactive xenon monitor.

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Document Title: Automated Radioxenon Sampler-Analyzer
Category: Nuclear Research and Facilities, Security: Local-National-International
Media Type: Photos
Date of Image/Photo: October 1998
Background: ARSA collects air samples, then processes them to trap the radioactive xenon on cold charcoal. The system purifies the radioactive xenon, then transfers it to a nuclear counting system. The different isotopes of xenon are automatically measured, then the results are automatically passed to a data center by communication link. ARSA can be accessed by modem and programmed remotely.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/SMAA-3ZHRYX

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