Table A4.1: Uranium-238 series radionuclides

 

Radionuclide

Type of radiation emitted

Annual dose per unit activity concentration in water

(mSv/a) per (Bq/l )

Uranium-238

Alpha

0,33

Thorium-234

Beta

0,0027

Protactinium-234m

Beta

Uranium-234

Alpha

0,036

Thorium-230

Alpha

0,15

Radium-226

Alpha

0,27

Radon-222*

Alpha

Polonium-218*

Alpha

Lead-214*

Beta

0,00012

Bismuth-214*

Beta

0,000087

Polonium-214*

Alpha

Lead-210

Beta

0,59

Bismuth-210

Beta

0,0010

Polonium-210

Alpha

1,0

Table A4.2: Uranium-235 series radionuclides

 

Radionuclide

Type of radiation emitted

Annual dose per unit activity concentration in water

(mSv/a) per (Bq/l )

Uranium-235

Alpha

0,034

Thorium-231

Beta

0,00027

Protactinium-231

Alpha

0,52

Actinium-227

Beta

0,85

Thorium-227

Alpha

0,0080

Radium-223

Alpha

0,11

Radon-219*

Alpha

Polonium-215*

Alpha

Lead-211*

Beta

0,00015

Bismuth-211*

Alpha

Thallium-207*

Beta

 

Table A4.3: Thorium-232 series radionuclides

 

Radionuclide

Type of radiation emitted

Annual dose per unit activity concentration in water

(mSv/a) per (Bq/l )

Thorium-232

Alpha

0,167

Radium-228

Beta

0,886

Actinium-228

Beta

0,00034

Thorium-228

Alpha

0,064

Radium-224

Alpha

0,069

Radon-220*

Alpha

Polonium-216*

Alpha

Lead-212*

Beta

0,0057

Bismuth-212*

Alpha 36%

Beta 64%

0,00021

Thallium-208*

Beta

Polonium-212*

Alpha