Table 7 The concentrations of radionuclides 226Ra, 232Th, 40K and the RHI.

From: Environmental and mineralogical studies on the stream sediments of Baltim–El Burullus coastal plain, North Delta, Egypt

 

Ra-226

Th-232

K-40

Dair

AED

ELCR

Ra-226

1

     

Th-232

0.24

1

    

K-40

− 0.13

0.17

1

   

Dair

0.03

0.33

0.98

1

  

AED

0.03

0.33

0.98

1

1

 

ELCR

0.03

0.33

0.98

1

1

1

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