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Table 1

210Po activity concentrations in cocoa beans and cocoa leaves.

Sampling Locality Location ID 210Po activity concentration in the samples (Bq/kg dry weight)  

    Cocoa beans Cocoa leaves
Melondo M1 2.31 ± 0.23 21.74 ± 0.87
  M2 4.63 ± 0.42 31.79 ± 1.12
  M3 4.22 ± 0.4 41.54 ± 1.37
  M4 3.42 ± 0.36 23.74 ± 0.77
  M5 3.87 ± 0.33 33.92 ± 0.97
Ngombas N1 4.88 ± 0.39 66.67 ± 1.58
  N2 8.09 ± 0.56 66.53 ± 1.56
  N3 6.41 ± 0.47 57.48 ± 1.46
  N4 4.12 ± 0.38 40.07 ± 1.02
  N5 7.69 ± 0.47 41.89 ± 1.22
Maximum 8.09 ± 0.56 66.67 ± 1.58
Minimum 2.31 ± 0.23 21.74 ± 0.87
Mean 4.96 42.54
Standard deviation 1.86 16.21

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