Mark Johnson describes precautions against radioactivity levels
Audio credit: Audio courtesy Doug Schneider, 有料盒子视频 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. 有料盒子视频 Oceanographer Mark Johnson explains that Geiger counters also were used during the study to detect radiation.
Image credit:
Photo by Volkan Tuncer, 有料盒子视频.
Filename: VT-IMG_0018.JPG