EPRI-NP-998 TABLE 5-4 235U DECAY HEAT AND UNCERTAINTIES FOR 20,000-SECOND IRRADIATION No. TIME TOTAL ERROR(%) GAMMA ERROR(%) BETA ERROR(%) (SEC) (MeV/Fiss) SYS RAND (MeV/Fiss) SYS RAND (MeV/Fiss) SYS RAND 1 .95 11.0345 3.2 .4 5.5572 2.9 .8 5.4774 3.9 1.2 2 1.25 10.9029 3.1 .4 5.5729 2.9 .8 5.3300 3.9 1.2 3 1.59 10.6504 3.1 .4 5.4210 2.9 .8 5.2294 3.9 1.2 4 2.00 10.3939 3.1 .4 5.2906 2.9 .8 5.1033 3.9 1.2 5 2.44 10.1775 3.1 .4 5.2076 2.9 .8 4.9698 3.9 1.2 6 2.94 9.9514 3.1 .4 5.1005 2.9 .8 4.8430 3.9 1.2 7 3.50 9.6926 3.1 .4 5.0127 2.9 .8 4.6799 3.9 1.2 8 4.25 9.4443 3.1 .4 4.8739 2.9 .8 4.5708 3.9 1.2 9 5.00 9.2100 3.1 .4 4.7917 2.9 .8 4.4183 3.9 1.2 10 5.89 8.9577 3.1 .4 4.7035 2.9 .5 4.2543 3.9 1.0 11 6.95 8.6960 3.1 .4 4.5557 2.9 .5 4.1403 3.9 1.0 12 8.16 8.4483 3.1 .4 4.4452 2.9 .5 4.0031 3.9 1.1 13 9.55 8.2052 3.1 .4 4.3325 2.9 .5 3.8727 3.9 1.1 14 11.16 7.9706 3.1 .4 4.2322 2.9 .5 3.7384 3.9 1.1 15 13.05 7.7218 3.1 .4 4.1140 2.9 .5 3.6078 3.9 1.1 16 15.25 7.4903 3.1 .4 4.0079 2.9 .5 3.4824 3.9 1.1 17 17.70 7.2573 3.1 .4 3.9155 2.9 .5 3.3418 3.9 1.1 18 20.64 7.0320 3.1 .4 3.8047 2.9 .5 3.2273 3.9 1.1 19 24.00 6.7951 3.1 .4 3.6858 2.9 .5 3.1093 3.9 1.1 20 27.84 6.5817 3.1 .5 3.5858 2.9 .5 2.9960 3.9 1.1 21 32.30 6.3653 3.1 .5 3.4753 2.9 .5 2.8900 3.9 1.2 22 37.55 6.1483 3.1 .5 3.3597 2.9 .5 2.7886 3.9 1.2 23 43.55 5.9281 3.1 .5 3.2438 2.9 .5 2.6843 3.9 1.2 24 50.55 5.7200 3.1 .5 3.1341 2.9 .5 2.5859 3.9 1.2 25 58.59 5.5153 3.1 .5 3.0239 2.9 .5 2.4914 3.9 1.2 26 67.95 5.3078 3.1 .5 2.9143 2.9 .5 2.3935 3.9 1.2 27 78.80 5.0972 3.1 .5 2.8052 2.9 .5 2.2920 3.9 1.2 28 91.34 4.9002 3.1 .5 2.6965 2.9 .5 2.2037 3.9 1.2 29 105.89 4.6992 3.1 .5 2.5908 2.9 .5 2.1084 3.9 1.2 30 122.75 4.5029 3.1 .5 2.4847 2.9 .5 2.0182 3.9 1.3 31 142.30 4.3117 3.1 .5 2.3826 2.9 .5 1.9291 3.9 1.3 32 165.00 4.1358 3.1 .5 2.2848 2.9 .5 1.8510 3.9 1.3 33 191.41 3.9673 3.1 .5 2.1909 2.9 .5 1.7764 3.9 1.3 34 259.14 3.6310 3.1 .5 2.0083 2.9 .6 1.6227 3.9 1.4 35 300.14 3.4808 3.1 .5 1.9267 2.9 .6 1.5541 4.0 1.4 36 347.55 3.3298 3.1 .5 1.8483 2.9 .6 1.4815 4.0 1.4 37 402.45 3.1841 3.1 .5 1.7703 2.9 .6 1.4139 4.0 1.4 38 541.09 2.8985 3.1 .5 1.6137 2.9 .6 1.2848 4.0 1.5 39 619.59 2.7690 3.1 .5 1.5437 2.9 .6 1.2253 4.0 1.5 40 698.00 2.6557 3.1 .6 1.4842 2.9 .6 1.1715 4.0 1.5 41 776.39 2.5532 3.1 .6 1.4297 2.9 .7 1.1235 4.0 1.5 42 854.80 2.4605 3.1 .6 1.3808 2.9 .7 1.0797 4.0 1.5 43 933.20 2.3805 3.1 .6 1.3340 2.9 .7 1.0465 4.0 1.6 44 1011.55 2.3012 3.1 .6 1.2956 2.9 .7 1.0056 4.0 1.6 45 1089.84 2.2291 3.1 .6 1.2567 2.9 .7 .9725 4.0 1.6 46 1249.05 2.1006 3.1 .5 1.1867 2.9 .7 .9139 4.0 1.5 47 1796.50 1.7371 3.0 1.0 .9949 2.9 .6 .7421 3.5 2.6 48 2012.95 1.6287 3.0 1.3 .9305 2.9 .6 .6982 3.5 3.1 49 2472.00 1.4474 3.9 1.0 .8315 2.9 .6 .6159 3.5 2.4 50 2687.20 1.3649 3.0 1.1 .7879 2.9 .6 .5770 3.5 2.8 51 3162.55 1.2358 3.0 1.1 .7112 2.9 .7 .5247 3.6 2.7 52 3862.09 1.0993 3.0 1.0 .6311 2.9 .9 .4682 3.6 2.5 53 4079.30 1.0545 3.0 .9 .6007 2.9 .7 .4538 3.6 2.4 54 4559.34 .9686 3.0 1.3 .5556 2.9 1.1 .4130 3.6 3.3 55 4776.95 .9361 3.0 1.2 .5377 2.9 1.1 .3984 3.6 3.1 56 5259.30 .8855 3.0 1.0 .4954 2.9 .4 .3891 3.6 2.4 57 5862.50 .8183 3.0 1.0 .4525 2.9 .4 .3657 3.6 2.2 58 7816.20 .6499 3.0 1.0 .3538 2.9 .5 .2961 3.6 2.2 59 8804.00 .5949 3.0 1.0 .3179 2.9 .5 .2770 3.6 2.2 60 9778.20 .5423 3.1 1.0 .2859 2.9 .6 .2564 3.6 2.3 61 10777.41 .5052 3.1 1.0 .2597 2.9 .5 .2455 3.6 2.2 62 11754.50 .4647 3.1 1.1 .2365 2.9 .5 .2282 3.6 2.2 63 14476.05 .3854 3.1 1.1 .1874 2.9 .6 .1980 3.6 2.2 64 17018.20 .3332 3.1 1.1 .1573 2.9 .7 .1759 3.6 2.2 65 19586.19 .2905 3.1 1.1 .1335 2.9 .8 .1570 3.6 2.2 66 22130.30 .2590 3.1 1.2 .1155 2.9 .8 .1435 3.7 2.3 67 24674.09 .2353 3.1 1.2 .1038 2.9 1.1 .1315 3.7 2.4 68 27218.95 .2135 3.2 1.2 .0939 2.9 1.1 .1196 3.7 2.3 69 31978.55 .1794 3.2 1.2 .0791 2.9 1.3 .1003 3.7 2.5 70 37004.44 .1547 3.2 1.3 .0680 2.9 1.4 .0867 3.8 2.5 71 41979.81 .1356 3.2 1.3 .0591 2.9 1.6 .0765 3.8 2.6 72 46992.84 .1182 3.2 1.3 .0502 2.9 2.1 .0680 3.9 2.8 73 52007.31 .1069 3.3 1.4 .0450 2.9 2.1 .0619 3.9 2.8 74 64933.41 .0791 3.3 1.4 .0365 2.9 2.6 .0425 4.1 3.4 75 74947.69 .0659 3.3 1.6 .0306 2.9 2.6 .0353 4.1 3.8 76 94942.84 .0485 3.3 1.9 .0238 2.9 3.4 .0247 4.1 4.9 77 104933.81 .0416 3.2 1.8 .0213 2.9 3.8 .0282 4.1 5.5