11 NUCLEAR-DEBRIS FORMATION ENVIRONMENT . NUCLEAR w rss wl ISSILE a AND FUSIBLE 2 COMPONENTS WW * “se “a.| PRIMARY INDUCED DECAYING MIXTURE OF PRIMARY AND DAUGHTER INDUCED ACTIVITIES [egreeO™ a ACTIVITIES ¢ PRIMARY FISSION gumammmmeg| PRODUCTS DECAYING MIXTURE OF unconoenseo PRIMARY AND DAUGHTER junipers) FISSION PRODUCTS aEaacronr RADIONUCLIODS EXUSTIAS ar EMALIEST Fics ENVIRONMENT PHYSICAL AND CHEMICAL PROCESSES IN THE FIREBALL AND CLOUD INDUCED ACTIVITIES { NEUTRONS VAPOR uwconpenseo fypptpemmmiemmenin REFRACTORY AND LESS AEFRaCTORY MROSIONUE LIDES EMSTING AT IMTERMEHATE TES PRODUCTS MEFRACTOAY AND LéS5 REFMACOar MADIONUCLIDES EXISTING 47 LATER TIMES CHANGING NUCLEI POPU- UNCON DENSED VAPOR LATION, RADIONUCLIDE EVAPORATION INCORPORATION, SOLIDIFICATION COOLING, EXPANSION, MUCLEATION 7 CHANGING SMALL PARTICLE POPULATION, RADIONUCLIDE INCORPORATION, VAPORIZATION FALLOUT WORLDWIDE FALLOUT SOLIDIFICATION SCAVENGING 28 aes Bs ay SAbaL EL PARTICLES 2 a 1 CHANGING MOLTEN PARTICLE POPULATION, RADIONUCLIDE INCORPORATION COCL INE, SOLIDIFICATION, COMOENSATION CHANGING MOLTEN-SOLIO PARTICLE OISTRIBUTION, RADIONUCLIDE AND SMALL PARTICLE INCORPORATION SCAVENGING | 4 FALLOUT LANGE PARTICLES LOCAL FALLOUT i CHANGING UNMOLTEN PARTICLE POPULATION, RADIONUCLIDE AND SMALL (PROCESS NOT OCCURRING tN AN AIR BLAST} ENTRAINMENT AND VAPORIZATION PARTICLE INCORPORATION ENTRAINMENT ENTRAINMENT anp MELTING a ENVIRONMENT 8LAST PHASE CONDENSATION PHASE FALLOUT PHASE Fig. 5—Fallout-formation processes in air and surface bursts. ENVIRONMENT NEL TRON ACT ATION