EPRI-NP-616 TABLE 15 235U DECAY HEAT AND UNCERTAINTIES FOR 22.35-HOUR IRRADIATION RUN No. 8 FISSION RATE= 1.015 x 10^12 fissions/sec +/- 1.84% COOLING TIME DECAY HEAT POWER SIGMA (sec) (WATTS) (MEV/S)/ (FISS/S) (%) 11 1.500 9.250 22.7 20 1.398 8.623 17.5 40 1.233 7.602 11.1 50 1.165 7.188 7.3 70 1.055 6.509 6.4 100 0.9357 5.771 5.7 200 0.7400 4.564 4.0 400 0.6034 3.722 3.4 600 0.5178 3.193 3.5 720 0.5089 3.139 3.4 1020 0.4452 2.746 3.4 1980 0.3432 2.117 3.4 3000 0.2880 1.777 3.4 4980 0.2244 1.384 3.4 7020 0.1875 1.156 3.4 10020 0.1532 0.9453 3.4 19980 0.09923 0.6121 3.4 30000 0.07365 0.4544 9.6 49980 0.04902 0.3024 9.6 70020 0.03499 0.2159 21.0