Table 7: Estimated Daily intake (EDI) of PAHs via water ingestion.

 

Sampou

Gbarain

Nembe

EDI water

Mean

Standard deviation

Mean

Standard deviation

Mean

Standard deviation

Naphthalene

0.005

0.002

0.003

0.002

0.002

0.001

Acenaphthylene

0.351

0.138

0.048

0.027

0.288

0.147

Fluorene

0.022

0.008

0.003

0.002

0.004

0.002

Acenaphthene

0.024

0.010

0.006

0.003

0.004

0.002

Phenanthrene

0.056

0.022

0.004

0.002

0.003

0.002

Anthracene

0.235

0.093

0.026

0.015

0.021

0.011

Fluoranthene

0.035

0.014

0.008

0.005

0.015

0.008

Pyrene

0.368

0.145

0.094

0.052

0.063

0.032

Benzo(a)anthracene

0.197

0.077

0.066

0.036

0.059

0.030

Chrysene

0.232

0.091

0.024

0.014

0.031

0.016

Benzo(b)fluoranthene

0.149

0.059

0.006

0.003

0.007

0.003

Benzo(k)fluoranthene

0.098

0.039

0.051

0.028

0.002

0.001

Benzo(a)pyrene

0.031

0.012

0.008

0.004

0.002

0.001

Dibenz(a,h) anthracene

0.260

0.102

0.099

0.055

0.035

0.018

Indeno(1,2,3-cd)pyrene

1.165

0.458

0.936

0.517

0.396

0.202

Benzo(g,h,i)perylene

0.645

0.253

0.134

0.074

0.977

0.499

Total

3.875

1.523

1.516

0.838

1.909

0.975

Sampou > Nembe > Gbarain (The difference between control and test communities was statistically significant; p-value: 0.015, df:2); Kruskal Wallis: 8.427