ICRP 60 weighting factors

Question 1

Gonads radiation weighting factorRev. 1

Answer 1

0.20

Question 2

Red Bone Marrow radiation weighting factorRev. 1

Answer 2

0.12

Question 3

Colon radiation weighting factorRev. 1

Answer 3

0.12

Question 4

Lung radiation weighting factorRev. 1

Answer 4

0.12

Question 5

Stomach radiation weighting factorRev. 1

Answer 5

0.12

Question 6

Bladder radiation weighting factorRev. 1

Answer 6

0.05

Question 7

Breast radiation weighting factorRev. 1

Answer 7

0.05

Question 8

Liver radiation weighting factorRev. 1

Answer 8

0.05

Question 9

Esophagus radiation weighting factorRev. 1

Answer 9

0.05

Question 10

Thyroid radiation weighting factorRev. 1

Answer 10

0.05

Question 11

Skin radiation weighting factorRev. 1

Answer 11

0.01

Question 12

Bone surface radiation weighting factorRev. 1

Answer 12

0.01

Question 13

Remainder radiation weighting factorRev. 1

Answer 13

0.05

Question 14

X-ray, gamma, and electron radiation weighting factorRev.1

Answer 14

1

Question 15

Neutrons energy < 10 keV radiation weighting factorRev. 1

Answer 15

5

Question 16

Neutrons energy 10 keV-100 keV radiation weighting factorRev. 1

Answer 16

10

Question 17

Neutrons energy 100 keV - 2MeV radiation weighting factorRev. 1

Answer 17

20

Question 18

Neutrons energy >2 MeV-20 MeV radiation weighting factorRev. 1

Answer 18

10

Question 19

Neutrons energy >20 MeV radiation weighting factorRev. 1

Answer 19

5

Question 20

Protons, other than recoil, energy >2 MeV radiation weighting factorRev. 1

Answer 20

5

Question 21

Alpha particles, fission fragments, heavy nuclei radiation weighting factorRev. 1

Answer 21

20