“i ~_. . ACTIVITY Cos St PLIERS @masnenr’ @ us AGUMITY ON GUBIMED PAPERSPRECIPITATION anert"feay a Dene finer ecrety beww 0.5 é/m/meter! on eollechen sey owsry rao! Kometetty ettrmmted to 1NG. toebiname dare. Cuambere in parertnesss baheved te be fer wreng Guy oF eaten or Giherente n.orver Pigure A.39 Radioactive fallout in the 24-hour period beginning 1830 G.C.T., 20 Nov. 1952 ~ 100 -