Mark Johnson describes precautions against radioactivity levels

Audio credit: Audio courtesy Doug Schneider, ÀÖ»¢Ö±²¥ Sea Grant College Program
Filename: Amchitka-johnson-precaution.mp3
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As a precaution, each researcher on the study wore small radiation monitoring devices that signaled if radiation levels exceeded safe limits. UAF Oceanographer Mark Johnson explains that Geiger counters also were used during the study to detect radiation.

Image credit: Photo by Volkan Tuncer, UAF.
Filename: VT-IMG_0018.JPG

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