Radiation doses from airborne effluents of model coal-fired and nuclear power plants (1000 megawatts electric) are compared. Assuming a 1 percent ash release to the atmosphere (Environmental Protection Agency regulation) and 1 part per million of uranium and 2 parts per million of thorium in the coal (approximately the U.S. average), population doses from the coal plant are typically higher than those from pressurized-water or boiling-water reactors that meet government regulations. Higher radionuclide contents and ash releases are common and would result in increased doses from the coal plant. The study does not assess the impact of non-radiological pollutants or the total radiological impacts of a coal versus a nuclear economy.

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Rearing techniques The experimental chamber Temperature Humidity Wave length and intensity of light Color temperatures Sampling methods and analysis of results ESULTS Moisture Responses to relative humidity gradients Responses to vapor pressure and absolute humidity gradients Effects of duration of time on survival in dry air Temperature Experiments involving slowly rising temperatures Experiments involving short-term exposures to a series of constant temperatures, at high and low humidities Experiments relating to the influence of

Office of t h e Atomic Energy Conmission). It i s one of a s e r i e s of d r a f t r e p o r t s on segments of t h e nuclear f u e l cycle t h a t were prepared i n 1973 and 1974 and were made a v a i l a b l e t o t h e public i n December 1974. draft r e p o r t s a r e subject t o r e v i s i o n p r i o r t o , and subsequent t o , t h e i r p u b l i c a t i o n by t h e NRC i n conjunction with d r a f t environmental statementsf o r cormnent by t h e public and government agencies. TheseThe r e p o r t s i n t h i s s e r i e s are:

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