10 Station Location Detector Type & Number IONIZATION RATE (R/HR) HOW ISLAND PLATFORM F MONITORING PTS HOW ISLAND (1-12 AV) TIR yee CUTIE PIE--O T18 ------- & Height above ground —2und 25 FT 3 FT 3 FT 10-1 (nstrumen? not operated 10-2 1 10 102 TIME SINCE ZUNI (HR) Figure B.7 Gamma-ionization-decay rate, Site How. 268 1