Table 6 Carbon preference index (CPI) of TPHs aggregates.

From: Chemometrics, health risk assessment and probable sources of soluble total petroleum hydrocarbons in atmospheric rainwater, Rivers State, Nigeria

 

Rumuodomaya/rumuodome, Obio-Akpor LGA

Ogale, Eleme LGA

 

Early rain

Mid rain

Late rain

Early rain

Mid rain

Late rain

C8–C11

1.034

0.611

0.362

0.732

2.768

1.490

C12–C17

0.441

0.832

0.970

0.948

5.368

1.592

C18–C25

1.005

1.287

0.801

0.724

0.846

1.193

C26–C33

0.69

1.630

1.288

1.732

0.548

1.728

C34–C40

0.084

0.116

0.174

0.226

0.118

0.105

CPI standard

1

1

1

1

1

1

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