APPENDIX EE

RADIONUCLIDE FACT SHEET

Nuclide	Half-life	Radiation	Energy (keV)¹	Abundance²	Gamma Constant³	Detection Device⁴
^3H	12.28 y	Beta	18.6 (5.7)	100.0	N.A	LSC
^14C	5730 y	Beta	156.5 (49.5)	100.0	N.A.	LSC, GM
^22Na	2.602 y	Beta	545.5 (215.5)	89.84	N.A.	LSC, NaI, GM
		Gamma	1274.5	99.94	1.2
^32P	14.29 d	Beta	1710.4 (694.9)	100.0	N.A.	LSC, GM
^33P	25.34 d	Beta	249.0 (76.6)	100.0	N.A.	LSC, GM
^35S	87.44 d	Beta	167.47 (48.83)	100.0	N.A.	LSC, GM
^36Cl	3.01x10⁵ y	Beta	709.6 (251.33)	99.0	N.A.	LSC, GM
^45Ca	162.7 d	Beta	256.9 (77.2)	99.9	N.A.	LSC, GM
^46Sc	83.83 d	Beta	357.3 (112.0)	99.9	N.A.	LSC, NaI, GM
		Gamma 1	889.25	99.9	1.09
		Gamma 2	1120.51	99.9
^51Cr	27.704 d	Gamma	320.076	9.83	0.016	NaI, GM
^57Co	271.8 d	Gamma 1	122.063	85.51	0.09	NaI, GM
		Gamma 2	136.476	10.6
^60Co	5.271 y	Beta	317.9 (95.79)	100.0	N.A.	NaI, GM
		Gamma 1	1173.216	100.0	1.32
		Gamma 2	1332.486	100.0
^67Ga	3.261 d	Electron 1	83.652	26.8	0.11	NaI, GM
			Electron 2	92.117	3.28
			Gamma 1	91.266	2.86
			Gamma 2	93.311	35.7
			Gamma 3	184.577	19.7
			Gamma 4	208.951	2.24
			Gamma 5	300.219	16.0
			Gamma 6	393.529	4.5
^99Mo	66.02 h	Beta 1	436.0 (13.0)	17.3	N.A.	NaI, GM
		Beta 2	1214.0 (442.7)	82.7
		Gamma 1	140.508	3.8	0.18
		Gamma 2	181.065	6.2
		Gamma 3	739.58	12.8
		Gamma 4	778.0	4.5
^99mTc	6.02 h	Electron	119.464	8.79	0.06	NaI, GM
		Gamma	140.508	89.07
^111In	2.83 d	Electron 1	144.57	8.41	0.22	NaI, GM
		Electron 2	218.679	5.04
		Gamma 1	171.28	90.2
		Gamma 2	245.39	94.0
^123I	13.13 h	Electron	127.19	13.59	0.153	NaI, GM
		X-ray 1	27.2017	24.6
		X-ray 2	27.4723	46.0
		X-ray 3	31.0	16.0
		Gamma	159.0	83.4
^125I	60.14 d	Electron	22.7	20.0	0.141	LSC, NaI, GM
		Electron 1	30.5527	12.3
		Electron 2	34.4859	2.5
		X-ray 1	27.2017	39.2
		X-ray 2	27.4723	73.0
		X-ray 3	31.0	25.4
		X-ray 4	35.4919	6.49
^131I	8.04 d	Electron	45.622	3.53	0.216	NaI, GM
		Beta 1	247.9 (69.36)	2.12
		Beta 2	333.8 (96.62)	7.36
		Beta 3	606.3 (191.58)	89.3
		X-rays (2)	29.5	3.85
		Gamma 1	80.183	2.62
		Gamma 2	284.298	6.05
		Gamma 3	364.48	81.2
		Gamma 4	636.973	7.26
^133Xe	5.245 d	Electron 1	45.012	53.3	0.01	NaI, GM
		Electron 2	75.283	8.14
		Beta	346.0 (100.6)	99.3
		X-ray 1	30.6251	13.6
		X-ray 2	30.9728	25.3
		X-ray 3	35.0	9.1
		Gamma	80.997	36.5
^137Cs	30.17 y	Electron (Ba)	624.208	8.08	0.33	NaI, GM
		Beta 1	511.6 (156.8)	94.6
		Beta 2	1173.2 (415.2)	5.4
		X-ray 1 (Ba)	31.8171	2.07
		X-ray 2 (Ba)	32.1936	3.82
		Gamma	661.649	89.98
^201Tl	73.06 h	Electron 1	27.04	2.5	0.03	NaI, GM
		Electron 2	28.63	2.17
		Electron 3	52.24	7.5
		Electron 4	53.8	3.3
		Electron 5	84.33	15.4
		Electron 6	152.59	2.62
		X-ray 1	68.895	27.4
		X-ray 2	70.819	46.5
		X-ray 3	80.3	20.5
		Gamma	1135.34	2.65
		Gamma	2167.43	10.0

^{1The beta energies are listed as e-max and the average energy (in parentheses).
^{2The abundance of the radiations are listed in percentage.
^{3The gamma constant is listed in units of mR/hr at 1 m/mCi.
^{4The detection device is the instrument best suited to measure the radionuclide in question.}}}}

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