Sample

Pb/RSD

Fe/RSD

Ibeocha

0.045 (0.13)

0.028 (0.9)

Ekeugba

0.00 (0)

0.049 (0.21)

Awara

0.008 (0.07)

0.038 (0.01)

Mbirichi

0.025 (0.11)

0.126 (0.13)

Location

0.014 (0.08)

0.021 (0.014)