Table 4 Annual equivalent dose and effective dose due to average activity (mSv.yr−1).

From: Radiological Investigation of High Background Radiation Areas

Organ

238U

232Th

40K

Summation

R Marrow

3.33 × 10−8

5.81 × 10−7

6.87 × 10−4

6.87 × 10−4

Adrenals

2.31 × 10−8

5.07 × 10−7

7.82 × 10−4

7.83 × 10−4

B Surface

2.02 × 10−7

2.43 × 10−6

7.00 × 10−4

7.02 × 10−4

Brain

2.61 × 10−8

5.90 × 10−7

6.90 × 10−4

6.90 × 10−4

Breast

1.62 × 10−7

9.62 × 10−7

6.72 × 10−4

6.73 × 10−4

G Bladder

2.21 × 10−8

5.01 × 10−7

6.32 × 10−4

6.33 × 10−4

Esophagus

1.60 × 10−8

4.44 × 10−7

7.39 × 10−4

7.40 × 10−4

ST Wall

2.99 × 10−8

5.87 × 10−7

7.34 × 10−4

7.35 × 10−4

SI Wall

2.03 × 10−8

4.90 × 10−7

7.26 × 10−4

7.27 × 10−4

ULI Wall

2.29 × 10−8

5.21 × 10−7

6.52 × 10−4

6.52 × 10−4

LLI Wall

2.17 × 10−8

5.10 × 10−7

6.55 × 10−4

6.56 × 10−4

Heart

2.73 × 10−8

5.64 × 10−7

6.67 × 10−4

6.67 × 10−4

Kidneys

3.54 × 10−8

6.07 × 10−7

6.85 × 10−4

6.86 × 10−4

Liver

3.01 × 10−8

5.98 × 10−7

6.80 × 10−4

6.81 × 10−4

Lungs

3.57 × 10−8

6.73 × 10−7

7.31 × 10−4

7.32 × 10−4

Ovaries

1.99 × 10−8

4.72 × 10−7

6.49 × 10−4

6.49 × 10−4

Pancreas

1.86 × 10−8

4.78 × 10−7

6.27 × 10−4

6.28 × 10−4

Skin

5.42 × 10−7

1.59 × 10−6

1.35 × 10−3

1.35 × 10−3

Spleen

2.93 × 10−8

5.98 × 10−7

6.87 × 10−4

6.87 × 10−4

Testes

1.25 × 10−7

8.76 × 10−7

7.82 × 10−4

7.83 × 10−4

Thymus

3.62 × 10−8

6.41 × 10−7

7.00 × 10−4

7.00 × 10−4

Thyroid

4.45 × 10−8

6.44 × 10−7

6.90 × 10−4

6.91 × 10−4

U Bladder

2.90 × 10−8

5.67 × 10−7

6.72 × 10−4

6.72 × 10−4

Uterus

1.92 × 10−8

4.78 × 10−7

6.32 × 10−4

6.33 × 10−4

Muscle

8.65 × 10−8

7.39 × 10−7

7.39 × 10−4

7.40 × 10−4

h_rem

8.07 × 10−8

7.22 × 10−7

7.34 × 10−4

7.35 × 10−4

E

6.51 × 10−8

6.93 × 10−7

7.26 × 10−4

7.27 × 10−4

Min

1.60 × 10−8 (Esophagus)

4.44 × 10−7(Esophagus)

6.27 × 10−4(Pancreas)

6.28 × 10−4(Pancreas)

Max

5.42 × 10−7 (Skin)

2.43 × 10−6(B-Surface)

1.35 × 10−3(Skin)

1.35 × 10−3 (Skin)