Vorlagen

Beurteilungsgrössen Freigrenze Bewilligungs- Richtwerte

grenze

Radionuklid Halbwertszeit Zerfallsart/ einh eing h10 h0,07 hc0,07 LL LA CA CS Instabiles Tochternuklid

Strahlung Sv/Bq Sv/Bq (mSv/h)/ (mSv/h)/GBq (mSv/h)/ Bq/g Bq Bq/m3 Bq/cm2

GBq in 1 min 10 cm Ab-(kBq/cm2)

Abstand stand

1 2  4 5 6 7 8 9 10 11 1213

Bk-246 1.80 d ec / ph 4.60E-10 4.80E-10 0.161 30 0.1 1.E+01 [1] 1.00E+07 2.00E+04 100  Cm-246

Bk-247 1.38 E3 a  / ph 4.50E-05 3.50E-07 0.021 800 0.7 1.E-01 1.00E+02 2.00E-01 1  Am-243

Bk-249 330 d ^,  1.00E-07 9.70E-10 <0.001 20 <0.1 1.E+02 6.00E+04 8.00E+01 300  Cf-249, Am-245 Bk-250 3.212 h ^/ ph 7.10E-10 1.40E-10 0.137 1000 1.5 1.E+01 [1] 8.00E+06 1.00E+04 3  Cf-250

Cf-244 19.4 min  / ph 1.80E-08 7.00E-11 0.003 <1 <0.1 1.E+04 [1] 3.00E+05 5.00E+02 1000  Cm-240

Cf-246 35.7 h , fs / ph 3.50E-07 3.30E-09 0.002 <1 <0.1 1.E+03 2.00E+04 2.00E+01 100  Cm-242

Cf-248 [9] 334 d , fs / ph 6.10E-06 2.80E-08 0.003 <1 <0.1 1.E+00 1.00E+03 1.00E+00 10  Cm-244

Cf-249 351 a , fs / ph 4.50E-05 3.50E-07 0.060 200 0.2 1.E-01 1.00E+02 2.00E-01 1  Cm-245

Cf-250 [9] 13.08 a , fs / ph 2.20E-05 1.60E-07 0.035 <1 <0.1 1.E+00 3.00E+02 4.00E-01 1  Cm-246

Cf-251 900 a  / ph 4.60E-05 3.60E-07 0.037 1000 1.8 1.E-01 1.00E+02 2.00E-01 1  Cm-247

Cf-252 [9] 2.645 a , fs / ph 1.30E-05 9.00E-08 1.3 <1 <0.1 1.E+00 5.00E+02 6.00E-01 3  Cm-248

Cf-253 17.81 d ^,  / ph 1.00E-06 1.40E-09 <0.001 800 0.8 1.E+02 [2] 6.00E+03 8.00E+00 10  Es-253, Cm-249 Cf-254 [9] 60.5 d , fs / ph 2.20E-05 4.00E-07 42 <1 <0.1 1.E+00 3.00E+02 4.00E-01 1  Cm-250

Es-250 8.6 h ec / ph 4.20E-10 2.10E-11 0.071 20 0.1 1.E+02 [1] 1.00E+07 2.00E+04 100  Cf-250

Es-251 33 h ec,  / ph 1.70E-09 1.70E-10 0.028 200 0.2 1.E+02 [1] 4.00E+06 5.00E+03 30  Cf-251, Bk-247 Es-253 20.47 d , fs / ph 2.10E-06 6.10E-09 0.001 1 <0.1 1.E+02 3.00E+03 4.00E+00 30  Bk-249

Es-254 275 .7 d , ^, fs / ph 6.00E-06 2.80E-08 0.021 6 <0.1 1.E-01 [2] 1.00E+03 1.00E+00 10  Bk-250

Es-254m 39.3 h ^, , ec, fs /3.70E-07 4.20E-09 0.077 1000 1.4 1.E+01 [2] 2.00E+04 2.00E+01 3  Fm-254, Bk-250

ph

Fm-252 25.39 h , fs / ph 2.60E-07 2.70E-09 0.002 <1 <0.1 1.E+03 2.00E+04 3.00E+01 100  Cf-248

Fm-253 3.00 d ec,  / ph 3.00E-07 9.10E-10 0.023 200 0.2 1.E+02 2.00E+04 3.00E+01 30  Es-253, Cf-249 Fm-254 3.240 h , fs / ph 7.70E-08 4.40E-10 0.002 <1 <0.1 1.E+04 [1] 8.00E+04 1.00E+02 1000  Cf-250

Fm-255 20.07 h , fs / ph 2.60E-07 2.50E-09 0.016 5 0.1 1.E+02 2.00E+04 3.00E+01 100  Cf-251

Fm-257 100.5 d , fs / ph 5.20E-06 1.50E-08 0.032 600 0.8 1.E+01 1.00E+03 2.00E+00 10  Cf-253

Md-257 5.2h 2.00E-08 1.20E-10 0.027 30 <0.1 1.E+02 [1] 3.00E+05 4.00E+02 1000  Fm-257, Es-253 Md-258 55d 4.40E-06 1.30E-08 0.007 2 <0.1 1.E+01 1.00E+03 2.00E+00 10  Es-254