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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

Os-180 / Re-180 21.5 min ec,  / ph 2.50E-11 1.70E-11 0.199 300 1 1.E+02 [1] 2.00E+08 3.00E+0510

Os-181 105 min ec, ^/ ph 1.00E-10 8.90E-11 0.186 400 0.6 1.E+01 [1] 6.00E+07 8.00E+04 10  Re-181 [6] Os-182 22.10 h ec / ph 5.20E-10 5.60E-10 0.071 100 0.2 1.E+01 1.00E+07 2.00E+04 30  Re-182-1 [6]

Os-185 93.6 d ec / ph 1.40E-09 5.10E-10 0.112 40 0.1 1.E+00 4.00E+06 6.00E+03100

Os-189m 5.8 h it / ph 7.90E-12 1.80E-11 <0.001 5 <0.1 1.E+04 [1] 8.00E+08 1.00E+061000

Os-191 15.4 d  / ph 1.50E-09 5.70E-10 0.015 400 0.4 1.E+02 [2] 4.00E+06 6.00E+0310

Os-191m 13.10 h it / ph 1.40E-10 9.60E-11 0.002 5 0.1 1.E+03 4.00E+07 6.00E+04 100  Os-191 Os-193 30.11 h  / ph 6.80E-10 8.10E-10 0.012 1000 1.6 1.E+02 9.00E+06 1.00E+043

Os-194 6.0 a  / ph 4.20E-08 2.40E-09 0.001 2 <0.1 1.E+00 [2] 1.00E+05 2.00E+02 100  Ir-194 Ir-182 15 min ec,  / ph 4.00E-11 4.80E-11 0.584 1000 1.9 1.E+01 [1] 2.00E+08 2.00E+05 3  Os-182 Ir-184 3.09 h ec,  / ph 1.90E-10 1.70E-10 0.296 1000 1.5 1.E+01 [1] 3.00E+07 4.00E+043

Ir-185 14.4 h ec, ^/ ph 2.60E-10 2.60E-10 0.091 300 0.5 1.E+01 [1] 2.00E+07 3.00E+04 10  Os-185 [6]

Ir-186 16.64 h ec,  / ph 5.00E-10 4.90E-10 0.243 1000 1 1.E+01 [1] 1.00E+07 2.00E+0410

Ir-186m 1.92 h ec, , it / ph 7.10E-11 6.10E-11 0.152 900 0.9 1.E+01 [1] 8.00E+07 1.00E+0510

Ir-187 10.5 h ec,  / ph 1.20E-10 1.20E-10 0.059 100 0.1 1.E+02 5.00E+07 7.00E+04100

Ir-188 41.5 h ec,  / ph 6.20E-10 6.30E-10 0.223 500 0.5 1.E+01 [1] 1.00E+07 1.00E+0410

Ir-189 13.2 d ec / ph 4.60E-10 2.40E-10 0.016 50 0.1 1.E+02 [2] 1.00E+07 2.00E+04100

Ir-190 11.78 d ec / ph 2.50E-09 1.20E-09 0.228 800 1.3 1.E+00 [2] 2.00E+06 3.00E+033

Ir-190m 1.120 h it / ph 1.10E-11 8.00E-12 <0.001 5 <0.1 1.E+04 [1] 5.00E+08 8.00E+05 1000  Ir-190 [6] Ir-190n 3.087 h ec, it / ph 1.40E-10 1.20E-10 0.247 900 0.9 1.E+01 [1] 4.00E+07 6.00E+04 10  Ir-190

Ir-192 73.827 d , ec / ph 4.90E-09 1.40E-09 0.131 2000 1.6 1.E+00 1.00E+06 2.00E+033

Ir-192n 241 a it / ph 1.90E-08 3.10E-10 0.025 2 <0.1 1.E+02 [1] 3.00E+05 4.00E+02 1000  Ir-192 [6]

Ir-193m 10.53 d it / ph 1.00E-09 2.70E-10 1.E+04 6.00E+06 8.00E+031000

Ir-194 19.28 h  / ph 7.50E-10 1.30E-09 0.017 1000 1.6 1.E+02 8.00E+06 1.00E+043

Ir-194m 171 d  / ph 8.20E-09 2.10E-09 0.367 1000 1.5 1.E+01 [2] 7.00E+05 1.00E+033

Ir-195 2.5 h  / ph 1.00E-10 1.00E-10 0.012 1000 1.7 1.E+02 [1] 6.00E+07 8.00E+043

Ir-195m 3.8 h ^, it / ph 2.40E-10 2.10E-10 0.073 2000 2.6 1.E+02 [1] 3.00E+07 3.00E+04 3  Ir-195 Pt-186 2.08 h ec,  / ph 6.60E-11 9.30E-11 0.115 20 0.1 1.E+01 [1] 9.00E+07 1.00E+05 100  Ir-186-1 [6], Os-

182

Pt-188 10.2 d ec,  / ph 6.30E-10 7.60E-10 0.035 800 0.8 1.E+01 [1] 1.00E+07 1.00E+04 10  Ir-188 [6] Pt-189 10.87 h ec, ^/ ph 7.30E-11 1.20E-10 0.054 200 0.2 1.E+02 8.00E+07 1.00E+05 30  Ir-189