Projets

Grandeurs Limite de libéra- Limite d’autori-Valeurs directrices

d’appréciation tion sation

Nucléide Période Mode de désinté-einh eing h10 h0,07 hc0,07 LL LA CA CS Nucléide de

gration / rayon- Sv/Bq Sv/Bq (mSv/h)/G (mSv/h)/GBq à (mSv/h)/ Bq/g Bq Bq/m3 Bq/cm2 filiation instable nement Bq à 1 m 10 cm de (kBq/cm2)

de distance

distance

1 2  4 5 6 7 8 9 10 11 1213

Nd-139m 5.50 h ec, , it / ph 2.50E-10 2.50E-10 0.246 500 0.6 1.E+01 [1] 2.00E+07 3.00E+04 10  Pr-139, Nd-139 Nd-140 3.37 d ec / ph 1.E+04 [2] 3.00E+06 4.00E+03100

Nd-141 2.49 h ec,  / ph 8.80E-12 8.30E-12 0.021 50 0.1 1.E+02 [1] 7.00E+08 9.00E+05100

Nd-147 10.98 d ^/ ph 2.10E-09 1.10E-09 0.027 1000 1.5 1.E+02 3.00E+06 4.00E+03 3  Pm-147 Nd-149 1.728 h ^/ ph 1.30E-10 1.20E-10 0.063 2000 1.8 1.E+02 [1] 5.00E+07 6.00E+04 3  Pm-149

Nd-151 12.44 min  / ph 2.90E-11 3.00E-11 0.137 1000 1.7 1.E+01 [1] 2.00E+08 3.00E+05 3  Pm-151 Pm-141 20.90 min ec,  / ph 2.50E-11 3.60E-11 0.137 500 0.9 1.E+01 [1] 2.00E+08 3.00E+05 10  Nd-141, Nd- 141m Pm-143 265 d ec / ph 9.60E-10 2.30E-10 0.057 7 <0.1 1.E+00 6.00E+06 9.00E+031000

Pm-144 363 d ec / ph 5.40E-09 9.70E-10 0.248 40 0.1 1.E-01 1.00E+06 2.00E+03100

Pm-145 17.7 a ec, α / ph 2.40E-09 1.10E-10 0.013 10 <0.1 1.E+01 3.00E+06 3.00E+031000

Pm-146 5.53 a ec,  / ph 1.30E-08 9.00E-10 0.122 500 0.6 1.E-01 5.00E+05 6.00E+02 10  Sm-146 Pm-147 2.6234 a  3.50E-09 2.60E-10 <0.001 500 0.6 1.E+03 2.00E+06 2.00E+03 10  Sm-147 Pm-148 5.368 d  / ph 2.20E-09 2.70E-09 0.091 1000 1.6 1.E+01 3.00E+06 4.00E+033

Pm-148m 41.29 d , it / ph 4.30E-09 1.80E-09 0.306 1000 1.4 1.E+00 1.00E+06 2.00E+03 3  Sm-148 Pm-149 53.08 h  / ph 8.20E-10 9.90E-10 0.002 1000 1.6 1.E+03 7.00E+06 1.00E+043

Pm-150 2.68 h  / ph 2.10E-10 2.60E-10 0.226 1000 1.8 1.E+01 [1] 3.00E+07 4.00E+043

Pm-151 28.40 h ^/ ph 6.40E-10 7.30E-10 0.052 1000 1.5 1.E+01 9.00E+06 1.00E+04 3  Sm-151 Sm-141 10.2 min ec, ^/ ph 2.70E-11 3.90E-11 0.287 500 1 1.E+01 [1] 2.00E+08 3.00E+05 10  Pm-141 [6] Sm-141m 22.6 min ec, ^, it / ph 5.60E-11 6.50E-11 0.338 900 1.1 1.E+01 [1] 1.00E+08 1.00E+05 3  Pm-141, Sm-

141

Sm-142 / Pm-142 72.49 min ec, / ph 1.10E-10 1.90E-10 0.752 800 1.5 1.E+02 [1] 5.00E+07 8.00E+043

Sm-145 340 d ec / ph 1.10E-09 2.10E-10 0.026 20 <0.1 1.E+02 5.00E+06 8.00E+03 1000  Pm-145 Sm-146 1.03 E8 a α 6.70E-06 5.40E-08 <0.001 <1 <0.1 1.E+00 9.00E+02 1.00E+003

Sm-147 1.060 E11 a α 6.10E-06 4.90E-08 <0.001 <1 <0.1 1.E+00 1.00E+03 1.00E+003

Sm-151 90 a  2.60E-09 9.80E-11 <0.001 <1 <0.1 1.E+03 2.00E+06 3.00E+031000

Sm-153 46.50 h  / ph 6.80E-10 7.40E-10 0.016 1000 1.6 1.E+02 9.00E+06 1.00E+043

Sm-155 22.3 min ^/ ph 2.80E-11 2.90E-11 0.019 1000 1.6 1.E+02 [1] 2.00E+08 3.00E+05 3  Eu-155 Sm-156 9.4 h ^/ ph 2.80E-10 2.50E-10 0.022 1000 1.4 1.E+02 2.00E+07 3.00E+04 3  Eu-156 [6] Eu-145 5.93 d ec, ^/ ph 7.30E-10 7.50E-10 0.217 60 0.2 1.E+00 8.00E+06 1.00E+04 30  Sm-145