DOE Occupational Radiation Exposure: 2011 Annual Report Exhibit B-21. Internal Dose Distribution by Site and Nuclide, 2011.
Site	Nuclide	Number of Individuals Receiving Doses in Each Dose Range											Total Indiv. with Meas. CED		Collective CED (person-rem)		Avg. CED (rem)
		Meas. 0-0.02	0.02- 0.10	0.10- 0.25	0.25- 0.50	0.50- 0.75	0.75- 1.00	1.0- 2.0	2.0- 3.0	3.0- 4.0	4.0- 5.0	>5.0
Argonne National Laboratory	Plutonium		2										2		0.080		0.040
Argonne National Laboratory	Americium	1	1										2		0.031		0.016
Brookhaven National Laboratory	Other	1											1		0.001		0.001
Hanford - Hanford Site	Plutonium	12	3										15		0.115		0.008
Hanford - Pacific Northwest National Laboratory	Hydrogen-3	1											1		0.001		0.001
Hanford - Pacific Northwest National Laboratory	Plutonium		1										1		0.026		0.026
Idaho National Laboratory	Americium	2	4										6		0.181		0.030
Idaho National Laboratory	Plutonium	4	4	2									10		1.842		0.184
Lawrence Livermore National Laboratory	Hydrogen-3	18											18		0.030		0.002
Los Alamos National Laboratory	Hydrogen-3	5											5		0.006		0.001
Los Alamos National Laboratory	Mixed	5											5		0.019		0.004
Los Alamos National Laboratory	Plutonium		5										5		0.199		0.040
Los Alamos National Laboratory	Uranium		1	2									3		0.324		0.108	|
Oak Ridge - East Tennessee Technology Park	Uranium	17	4										21		0.318		0.015
Oak Ridge - Oak Ridge National Laboratory	Thorium		1										1		0.074		0.074
Oak Ridge - Oak Ridge National Laboratory	Americium		1										1		0.020		0.020
Oak Ridge - Y-12 National Security Complex	Americium	1	1	1									3		0.284		0.095
Oak Ridge - Y-12 National Security Complex	Mixed	26	9	3	1								39		1.304		0.033
Oak Ridge - Y-12 National Security Complex	Thorium		1										1		0.091		0.091
Oak Ridge - Y-12 National Security Complex	Uranium	653	437	97	11	1							1,199	|	42.915	|	0.036
Paducah Gaseous Diffusion Plant	Uranium	6	6	1									13		0.479		0.037
Pantex Plant	Mixed	6											6		0.046		0.008
Pantex Plant	Other	1											1		0.003		0.003
Sandia National Laboratory	Other	1											1		0.004		0.004
Savannah River Site	Hydrogen-3	6											6		0.021		0.004
Savannah River Site	Plutonium	55											55		0.304		0.006
Uranium Mill Tailings Remedial Action Project	Uranium	59	49										108		2.279		0.021
Site Office Personnel*	Uranium	1											1		0.015		0.015
Totals		881	530	106	12	1							1,530		51.012		0.033
Note: Boxed values (gray background) indicate the greatest value in each column.