ATMOSPHERIC DISPERSION AND THE RADIOLOGICAL CONSEQUENCES OF NORMAL AIRBORNE EFFLUENTS FROM A NUCLEAR-POWER-PLANT

The relationship between the consequences of the normal exhaust of rad ioactive materials in air from nuclear power plants and atmospheric di spersion is studied. Because the source terms of the exhaust from a nu clear power plant are relatively low and their radiological consequenc es are far less than the corresponding authoritative limits, the atmos pheric dispersion models, their various modifications, and selections of relevant parameters have few effects on those consequences. In the environmental assessment and siting, the emphasis should not be placed on the consequence evaluation of routine exhaust of nuclear power pla nts, and the calculation of consequences of the exhaust and atmospheri c field measurements should be appropriately simplified.