Gunst Nuclear Science and Engineering, 56:3 (1975) Table XIV
Measured values of decay heat in the sample (uncorrected for gamma escape and actinide contributions)		
239Pu Sample 19
Cooling	Decay Heat (W)
Time (h) Meas Calc
14.83	28.6	28
15.57	27.5	27.5
18.57	25.9	25.5
20.80	24.1	24.3
40.55	17.69	17.8
42.03	17.73	17.49
64.73	14.14	14.1
65.33	14.15	14.03
185.3	8.04	7.87
185.8	7.82	7.85
353.9	4.88	4.97
665.9	2.95	2.9
668.6	3.04	2.89
1510	1.3	1.3
1511	1.37	1.3
2563	0.82	0.82
3234	0.75	0.67
3572	0.65	0.62
4919	0.44	0.46