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Evaluation of radon progeny from Mount St. Helens eruptions. Final report
[report]
1982
unpublished
Preserved Fulltext
A network of twelve monitoring sites around Mount St. Helens was established to evaluate possible short-lived radioactivity in the fallen ash. Seven sites were located near major population centers of Washington and Oregon, and five sites were located within 80 km of the volcano. Each site monitored the radioactivity present by the use of thermoluminescent dosimeters which recorded the total exposure to radioactivity over the exposure period. Eruptions occurring on July 22, August 7, and
doi:10.2172/6845090
fatcat:2iziroefcjavjcdrtem5a5ldpy