“…2.1. 7 Area 20 Straume et al (1977Straume et al ( , 1978 report on the cleanup of a large area of rugged terrain following a spill of radioactively contaminated mud. Precleanup surveys indicated that 103 Ru and 106 Ru/Rh were the primary nuclides present, with total estimated activity at the time of release of 38 and 6 Ci (1.41 X 10 12 and 2.22 X 10 11 Bq), respectively.…”