Monitoring results and environmental radioactivity at Bilibin NPP

Experience in organization of radiation monitoring at the Bilibin NPP and in the area of its arrangement during 1973-1983 years of operation is described. Necessity and efficiency reached in planning personnel dose commitments during maintenance are shown; the conclusion concerning the necessity of chemical decontamination of main equipment as a reserve of dose commitments decrease is made. Bilibin NPP radiation monitoring is confirmed on the basis of old traditional and optimization environmental radioactivity control