DOE Occupational Radiation Exposure: 2011 Annual Report Exhibit B-20. Dose Distribution by Labor Category and Occupation, 2011.
Labor Category	Occupation	Less than Meas	Meas 0 - 0.10	0.10 - 0.25	0.25 - 0.50	0.50 - 0.75	0.75 - 1.00	1 - 2	2 - 3	3 - 4	4 - 5	>5	Total Monitored		Percent of Monitored with Meas. TED		No. with Meas. TED		Collective TED (Person-rem)		Avg. Meas. TED (rem)
Agriculture	Misc. Agriculture	17	3	2	1								23		26%		6		0.847		0.141
	Groundskeepers	79	3										82		4%		3		0.022		0.007
Construction	Carpenters	371	127	33	5								536		31%		165		10.904		0.066
	Electricians	1,304	353	27	2								1,686		23%		382		13.131		0.034
	Masons	29	13	1									43		33%		14		0.391		0.028
	Mechanics/Repairers	537	161	43	16								757		29%		220		17.677		0.080
	Miners/Drillers	108	11										119		9%		11		0.210		0.019
	Misc. Repair/Construction	1,251	447	30	5		1						1,734		28%		483		19.437		0.040
	Painters	151	30	6	1								188		20%		37		1.969		0.053
	Pipe Fitter	418	148	38	15								619		32%		201		16.130		0.080
Laborers	Handlers/Laborers/Helpers	956	386	77	33	5	1						1,458		34%		502		39.146		0.078
Management	Sales	17	4										21		19%		4		0.085		0.021
	Admin. Support & Clerical Sec.	2,256	151	8	2								2,417		7%		161		4.973		0.031
	Manager - Administrator	5,910	596	54	9	1							6,570		10%		660		25.876		0.039
Miscellaneous	Military	27											27
	Miscellaneous	6,543	1,226	160	60	17	7	3					8,016		18%		1,473		98.344		0.067
Production	Welders and Solderers	39	6	2	1								48		19%		9		0.819		0.091
	Machine Setup/Operators	125	195	56	9								385		68%	|	260		18.866		0.073
	Machinists	108	34	10	5		1						158		32%		50		5.050		0.101
	Misc. Precision/Production	461	215	46	8	4							734		37%		273		19.690		0.072
	Operators, Plant/ System/Util.	1,581	889	265	99	15	8						2,857		45%		1,276		124.404	|	0.097
	Sheet Metal Workers	109	33	3	1								146		25%		37		1.730		0.047
Scientists	Health Physicist	434	94	8	2								538		19%		104		3.955		0.038
	Misc. Professional	6,844	841	48	14	2		1					7,750		12%		906		31.210		0.034
	Scientist	5,247	421	35	14	3							5,720		8%		473		22.679		0.048
	Engineer	6,761	666	30	6	1	2						7,466		9%		705		22.901		0.032
	Doctors and Nurses	69	4										73		5%		4		0.241		0.060
Service	Firefighters	449	29	2									480		6%		31		0.798		0.026
	Food Service Employees	8	4		1								13		38%		5		0.484		0.097
	Janitors	472	38	4									514		8%		42		1.762		0.042
	Misc. Service	330	18	1	1								350		6%		20		0.938		0.047
	Security Guards	1,469	168	5	2								1,644		11%		175		5.160		0.029
Technicians	Engineering Technicians	1,725	185	27	13	1	1	1					1,953		12%		228		16.014		0.070
	Technicians	1,294	279	97	64	19	14	2					1,769		27%		475		71.270		0.150	|
	Science Technicians	448	157	17	3								625		28%		177		7.983		0.045
	Radiation Monitors/Techs.	1,082	823	249	64	16	2						2,236		52%		1,154		102.897		0.089
	Health Technicians	186	36	2									224		17%		38		1.480		0.039
	Misc. Technicians	1,951	232	58	18	8	1	4					2,272		14%		321		32.020		0.100
Transport	Bus Drivers	9											9
	Equipment Operators	259	108	31	8	1							407		36%		148		11.548		0.078
	Misc. Transport	491	10										501		2%		10		0.223		0.022
	Pilots	22	1										23		4%		1		0.017		0.017
	Truck Drivers	820	87	11	3								921		11%		101		4.585		0.045
Unknown	Unknown	26,115	1,275	249	79	6	3						27,727	|	6%		1,612	|	105.662		0.066
Totals		78,882	10,507	1,735	564	99	41	11					91,839		14%		12,957		863.528		0.067
Note: Boxed values (gray background) indicate the greatest value in each column.