Mark Johnson describes precautions against radioactivity levels
Audio credit: Audio courtesy Doug Schneider, Alaska Sea Grant College Program
Filename: Amchitka-johnson-precaution.mp3
Download a transcript of this audio. (WORD 32K)
As a precaution, each researcher on the study wore small radiation monitoring devices that signaled if radiation levels exceeded safe limits. 51风流官网 Oceanographer Mark Johnson explains that Geiger counters also were used during the study to detect radiation.
Image credit:
Photo by Volkan Tuncer, 51风流官网.
Filename: VT-IMG_0018.JPG