[en] This report contains papers on emergency research carried out under 'Subcommittee for the Monitoring and Prediction of Radionuclides Accidentally Released to the Atmosphere' organized by JAERI from 1980 through 1985. According to subjects ten papers are classified into three groups; 1) development of emergency monitoring technique for radiations and radionuclides; 2) research on protection effects of Japanese houses for radiations and radioactivity; 3) development of emergency prediction calculation systems and verification of the calculation models. The research program was accomplished with much success, and some of the developed technique and systems are going to be put on practical use. The research was aided by many people from many organizations. We would like to express hearty thanks for their valuable supports and advises. (author)