Area Contamination Due to Dry Settling and Point Source Stack Effluents Washout by Precipitates

Abstract

The article deals with an accidental situation development final stage accompanied by a powder explosion (combustion) incoming to a nuclear weapon part or dirty bomb and fissile nuclear materials dispergation with discharge in the air. The Formulas for impurity level express assessment fallen to the earth surface due to dry settling and stack effluents washout by precipitates are given.