REMARKS RELATING TO FIELD EXPERIMENTS TO MEASURE THE WET SCAVENGING OF TRACER AEROSOLS

摘要

An important question is whether or not the wet deposition of debris from a single (or multiple) airburst of a nuclear device poses a significant hazard to people on the ground. To answer this question for various scenarios, a basic understanding of the aerosol attachment rates to cloud water and raindrops is needed. The major purpose of this report is to address questions related to the operation and interpretation of such field tracer efforts and in particular to consider the results from the August 3, 1972, Battelle Northwest Laboratory tracer experiment in St. Louis. The Battelle experiment involved the release of several aerosol tracers at 10,000 - 13,000 feet, near rain clouds, and the measurement of the resulting tracer in the rain collected at the ground level sampling sites.