Table 4: Mean and total concentrations of PAHs from water.

PAHs (µg/l)

Sampou

Gbarain

Nembe

Total

59.59

29.87

32.25

Mean

3.50

1.76

1.90

Standard deviation

4.51

4.35

4.20

PAH4*(µg/kg b.w. per day)

9.32

2.03

1.66