Avamprogetti

Grandezze di apprezzamento Livello di Livello di licenza Vincoli

esenzione

Radionuclide Tempo di Tipo di decadi- einh eing h10 h0,07 hc0,07 LL LA CA CS Nuclide figlio instabile

dimezzamento mento e di Sv/Bq Sv/Bq (mSv/h)/ (mSv/h)/GBq (mSv/h)/ Bq/g Bq Bq/m3 Bq/cm2

radiazione GBq a 1 m a 10 cm di (kBq/cm2)

di distanza distanza

1 2  4 5 6 7 8 9 10 11 1213

Mo-90 5.56 h ec, ^/ ph 5.60E-10 6.20E-10 0.147 1000 1.4 1.E+01 [1] 1.00E+07 1.00E+04 3  Nb-90 [6]

 Mo-93 4.0 E3 a ec / ph 1.40E-09 2.60E-09 0.016 4 <0.1 1.E+01 4.00E+06 6.00E+03100

Mo-93m 6.85 h it, ec / ph 3.00E-10 2.80E-10 0.330 800 0.8 1.E+01 2.00E+07 3.00E+04 10  Mo-93 Mo-99 65.94 h ^/ ph 1.10E-09 1.20E-09 0.024 1000 1.6 1.E+01 [2] 5.00E+06 8.00E+03 3  Tc-99m, Tc-99

Mo-101 14.61 min  / ph 4.50E-11 4.20E-11 0.196 1000 1.7 1.E+01 [1] 1.00E+08 2.00E+05 3  Tc-101 Tc-93 2.75 h ec,  / ph 6.50E-11 4.90E-11 0.222 20 0.1 1.E+01 [1] 9.00E+07 1.00E+05 100  Mo-93 Tc-93m 43.5 min it, ec,  / ph 3.10E-11 2.40E-11 0.098 300 0.4 1.E+01 [1] 2.00E+08 3.00E+05 10  Tc-93, Mo-93 Tc-94 293 min ec,  / ph 2.20E-10 1.80E-10 0.414 200 0.4 1.E+01 [1] 3.00E+07 4.00E+0410

Tc-94m 52.0 min ec,  / ph 8.00E-11 1.10E-10 0.285 700 1.3 1.E+01 [1] 8.00E+07 1.00E+053

Tc-95 20.0 h ec / ph 1.80E-10 1.60E-10 0.135 20 0.1 1.E+01 3.00E+07 5.00E+04100

Tc-95m 61 d ec, , it / ph 8.60E-10 6.20E-10 0.117 100 0.1 1.E+00 [2] 7.00E+06 1.00E+04 100  Tc-95 Tc-96 4.28 d ec / ph 1.00E-09 1.10E-09 0.388 40 0.2 1.E+00 6.00E+06 8.00E+0330

Tc-96m 51.5 min it, ec,  / ph 1.10E-11 1.30E-11 0.016 3 <0.1 1.E+03 [1] 5.00E+08 8.00E+05 1000  Tc-96 Tc-97 2.6 E6 a ec / ph 1.60E-10 8.30E-11 0.017 4 <0.1 1.E+01 4.00E+07 5.00E+041000

Tc-97m 90.1 d it / ph 2.70E-09 6.60E-10 0.014 30 0.7 1.E+02 2.00E+06 3.00E+03 10  Tc-97 Tc-98 4.2 E6 a  / ph 6.10E-09 2.30E-09 0.215 2000 1.5 1.E-01 1.00E+06 1.00E+033

Tc-99 2.111 E5 a  3.20E-09 7.80E-10 <0.001 1000 1.1 1.E+00 2.00E+06 3.00E+033

Tc-99m 6.015 h it, / ph 2.90E-11 2.20E-11 0.022 300 0.2 1.E+02 [1] 2.00E+08 3.00E+05 30  Tc-99 Tc-101 14.2 min  / ph 2.10E-11 1.90E-11 0.055 1000 1.6 1.E+02 [1] 3.00E+08 4.00E+053

Tc-104 18.3 min / ph 4.80E-11 8.10E-11 1.219 1000 1.8 1.E+01 [1] 1.00E+08 2.00E+053

Ru-94 51.8 min ec,  / ph 7.40E-11 9.40E-11 0.100 20 0.1 1.E+02 [1] 8.00E+07 1.00E+05 100  Tc-94 Ru-97 2.9 d ec / ph 1.60E-10 1.50E-10 0.055 100 0.1 1.E+01 4.00E+07 5.00E+04 100  Tc-97 Ru-103 39.26 d / ph 2.20E-09 7.30E-10 0.073 500 0.6 1.E+00 [2] 3.00E+06 4.00E+0310

Ru-105 4.44 h  / ph 2.50E-10 2.60E-10 0.119 1000 1.6 1.E+01 [1] 2.00E+07 3.00E+04 3  Rh-105 Ru-106 / Rh-106 373.59 d  / ph 3.50E-08 7.00E-09 0.357 1000 1.6 1.E-01 [2] 2.00E+05 2.00E+023

Rh-99 16.1 d ec,  / ph 8.90E-10 5.10E-10 0.115 100 0.2 1.E+01 [1] 7.00E+06 9.00E+0330

Rh-99m 4.7 h ec,  / ph 7.30E-11 6.60E-11 0.122 100 0.2 1.E+01 [1] 8.00E+07 1.00E+0530

Rh-100 20.8 h ec,  / ph 6.30E-10 7.10E-10 0.392 100 0.3 1.E+00 1.00E+07 1.00E+0430

Rh-101 3.3 a ec / ph 3.10E-09 5.50E-10 0.062 300 0.4 1.E+00 2.00E+06 3.00E+0310