Location

Mean specific activity (Bq∙kg⁻¹)

References

²²⁶Ra

²³²Th

⁴⁰K

Beach Soil, Potenga, Bangladesh

65.9

83.17

946.96

Present work

Beach Sand, Potenga, Bangladesh

49.52

69.49

512.19

Present work

Beach Sediment, Potenga, Bangladesh

43.22

45.85

594.34

Present work

Beach Soil, Potenga, Bangladesh

37

75.93

424

[13]

Beach Soil, Kuakata, Bangladesh

29.19

90.56

874.89

[14]

Beach Sand, Kuakata, Bangladesh

29.48

93.72

551.24

[14]

Beach Soil, Cox’s Bazar, Bangladesh

-

36.67

458.23

[15]

Beach Sand (Heavy), Cox’s Bazar, Bangladesh

-

4736.07

646.34

[15]

Beach Sand (Light), Cox’s Bazar, Bangladesh

-

215.13

300.47

[15]

Orissa, India

-

2825

180

[16]

Peshwar, Pakistan

65

84

646

[17]

Chalatat and Samila Beach Songkhal, Thailand

41.4

63.8

247.8

[18]

Hatyai District, Songkhla, Thailand

67.7

45

213

[19]

Persian Gulf, Iran

35

26

395

[20]

Hurgada, Egypt

20.6

22.4

548

[21]

Safaga, Egypt

25.3

21.4

618

[21]

Xianyang, china

31.1

44.9

776

[22]

Porto seguro, Brazil

313

1735

25

[23]

Meaipe, Brazil

1001

6422

127

[23]

Guarapari, Brazil

4043

55,537

63

[23]

Worldwide mean

33

36

474

[12]