Gamma Ray Spectrometric Analysis of Sand Samples from Selected Beaches along Kenyan Coastline

Table 3

The internal and external hazard indices of the sand samples and the averages of each beach.

Site	Hex	Hin
Diani-1	0.69 ± 0.03	0.99 ± 0.04
Diani-2	0.77 ± 0.03	1.08 ± 0.05
Diani-3	0.87 ± 0.04	1.16 ± 0.05
Diani-4	0.63 ± 0.03	0.90 ± 0.04
Diani-5	1.02 ± 0.05	1.37 ± 0.06
Tiwi-1	0.89 ± 0.04	1.13 ± 0.05
Tiwi-2	0.72 ± 0.03	0.93 ± 0.04
Tiwi-3	0.90 ± 0.04	1.11 ± 0.05
Tiwi-4	0.93 ± 0.04	1.21 ± 0.06
Tiwi-5	0.62 ± 0.03	0.94 ± 0.04
Shelly-1	0.76 ± 0.03	1.03 ± 0.05
Shelly-2	0.71 ± 0.03	0.91 ± 0.04
Shelly-3	0.61 ± 0.03	0.89 ± 0.04
Shelly-4	0.82 ± 0.04	1.16 ± 0.05
Shelly-5	0.77 ± 0.03	1.05 ± 0.05
Nyali-1	0.74 ± 0.03	0.91 ± 0.04
Nyali-2	0.61 ± 0.03	0.73 ± 0.03
Nyali-3	0.76 ± 0.03	1.01 ± 0.05
Nyali-4	0.65 ± 0.03	0.86 ± 0.04
Nyali-5	0.64 ± 0.03	0.87 ± 0.04
Kenyatta-1	0.72 ± 0.03	1.04 ± 0.05
Kenyatta-2	0.76 ± 0.03	0.98 ± 0.04
Kenyatta-3	0.83 ± 0.04	1.15 ± 0.05
Kenyatta-4	0.64 ± 0.03	0.95 ± 0.04
Kenyatta-5	0.54 ± 0.02	0.75 ± 0.03
Shanzu-1	0.77 ± 0.03	1.04 ± 0.05
Shanzu-2	0.48 ± 0.02	0.67 ± 0.03
Shanzu-3	0.62 ± 0.03	0.92 ± 0.04
Shanzu-4	0.70 ± 0.03	0.92 ± 0.04
Shanzu-5	0.51 ± 0.02	0.75 ± 0.03
Average	0.72 ± 0.03	0. 98 ± 0.04