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



Np-234 4.4 d ec, ^/ ph 7.30E-10 8.10E-10 0.219 80 0.2 1.E+01 8.00E+06 1.00E+04 30  U-234 Np-235 396.1 d ec,  / ph 2.70E-10 5.30E-11 0.008 3 <0.1 1.E+03 2.00E+07 3.00E+04 1000  U-235, Pa-231 Np-236 1.54 E5 a ec, ^,  / ph 2.00E-06 1.70E-08 0.046 1000 1.8 1.E+00 3.00E+03 4.00E+00 3  U-236, Pu-236 Np-236m 22.5 h ec, ^/ ph 3.60E-09 1.90E-10 0.013 600 0.6 1.E+02 2.00E+06 2.00E+03 10  U-236, Pu-236 Np-237 2.144 E6 a  / ph 1.50E-05 1.10E-07 0.018 30 0.1 1.E+00 [2] 4.00E+02 6.00E-01 3  Pa-233 Np-238 2.117 d ^/ ph 1.70E-09 9.10E-10 0.089 1000 1.1 1.E+01 4.00E+06 5.00E+03 3  Pu-238 Np-239 2.3565 d ^/ ph 1.10E-09 8.00E-10 0.039 2000 2.3 1.E+02 5.00E+06 8.00E+03 3  Pu-239

Np-240 61.9 min ^/ ph 1.30E-10 8.20E-11 0.225 3000 3.4 1.E+01 [1] 5.00E+07 6.00E+04 1  Pu-240

Np-240m 7.22 min ^, it / ph 0.060 1000 1.6 1.E+03 3  Pu-240 Pu-234 8.8 h ec,  / ph 1.80E-08 1.60E-10 0.018 6 <0.1 1.E+02 [1] 3.00E+05 5.00E+02 1000  Np-234, U-230 Pu-235 25.3 min ec,  / ph 2.60E-12 2.10E-12 0.026 8 <0.1 1.E+02 [1] 2.00E+09 3.00E+06 1000  Np-235, U-231 Pu-236 2.858 a , fs / ph 1.30E-05 8.60E-08 0.003 1 <0.1 1.E+00 5.00E+02 6.00E-01 3  U-232 Pu-237 45.2 d ec,  / ph 3.00E-10 1.00E-10 0.018 6 <0.1 1.E+02 2.00E+07 3.00E+04 1000  Np-237, U-233 Pu-238 87.7 a , fs / ph 3.00E-05 2.30E-07 0.002 <1 <0.1 1.E-01 2.00E+02 3.00E-01 1  U-234 Pu-239 2.411 E4 a  / ph 3.20E-05 2.50E-07 0.001 <1 <0.1 1.E-01 [2] 2.00E+02 3.00E-01 1  U-235 Pu-240 6564 a , fs / ph 3.20E-05 2.50E-07 0.002 <1 <0.1 1.E-01 2.00E+02 3.00E-01 1  U-236 Pu-241 14.35 a ^, a 5.80E-07 4.70E-09 <0.001 <1 <0.1 1.E+01 1.00E+04 1.00E+01 30  Am-241, U-237 Pu-242 3.75 E5 a , fs / ph 3.10E-05 2.40E-07 0.002 <1 <0.1 1.E-01 2.00E+02 3.00E-01 1  U-238 Pu-243 4.956 h ^/ ph 1.10E-10 8.50E-11 0.007 1000 1.3 1.E+03 5.00E+07 8.00E+04 3  Am-243 Pu-244 [9] 8.00 E7 a , fs / ph 3.00E-05 2.40E-07 0.053 1 0.1 1.E-01 [2] 2.00E+02 3.00E-01 1  U-240 Pu-245 10.5 h ^/ ph 6.50E-10 7.20E-10 0.070 2000 2 1.E+02 [2] 9.00E+06 1.00E+04 3  Am-245 Pu-246 10.84 d ^/ ph 7.00E-09 3.30E-09 0.034 700 0.7 1.E+01 [2] 9.00E+05 1.00E+03 10  Am-246 Am-237 73.0 min ec,  / ph 3.60E-11 1.80E-11 0.073 800 0.7 1.E+02 [1] 2.00E+08 2.00E+05 10  Pu-237, Np-233 Am-238 98 min ec, ^,  / ph 6.60E-11 3.20E-11 0.145 60 0.1 1.E+01 [1] 9.00E+07 1.00E+05 100  Pu-238, Np-234 Am-239 11.9 h ec,  / ph 2.90E-10 2.40E-10 0.059 1000 1.4 1.E+02 [1] 2.00E+07 3.00E+04 3  Pu-239, Np-235 Am-240 50.8 h ec,  / ph 5.90E-10 5.80E-10 0.171 50 0.3 1.E+01 1.00E+07 1.00E+04 30  Pu-240, Np-236 Am-241 432.2 a  / ph 2.70E-05 2.00E-07 0.019 6 <0.1 1.E-01 2.00E+02 3.00E-01 1  Np-237 Am-242 16.02 h ^, ec / ph 1.20E-08 3.00E-10 0.009 1000 1.1 1.E+03 5.00E+05 7.00E+02 3  Cm-242, Pu-242