Table 1 Reference standards for petroleum hydrocarbons.

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

Aliphatic

Reference values (mg/L)

C5–C8

3

C9–C16

0.065

C17–C35

1

C36–C40

10

Aromatic

Reference values (mg/L)

C5–C8

0.13

C8–C16

0.025

C17–C35

0.02

C36–C40

0.2

  1. TPHCWG, 2019.
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