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July 14, 2026Human and Ecological Risk Assessment An International Journal

Temporal dynamics of total petroleum hydrocarbon contamination in rainwater storage systems in Nigeria: seasonal patterns and mitigation strategies

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Authors

IOIlemobayo Ifedayo OguntimehinTEThompson Faraday EdiagbonyaMAMarvellous Kolawole Adeuti

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Overview

Randomized trial assessed total petroleum hydrocarbons in Nigerian rainwater, indicating minimal health risk.

Key Points

  • This assessment aimed to understand the contamination levels of total petroleum hydrocarbons (TPH) in rainwater and identify seasonal patterns.
  • Assessment of TPH concentrations in rainwater from April to August 2023 in Okitipupa, Nigeria.
  • Monitoring of pH and electrical conductivity alongside TPH levels.
  • Health risk assessment using established toxicity values.
  • TPH concentrations ranged from 0.00 to 3.78 µg/L, peaking in April and May.
  • The maximum Hazard Quotient was 4.76 × 10−2, indicating minimal non-carcinogenic risk.
  • Dominant compounds included hexadecane and tetradecane, contributing notably to exposure.

Cite This Study

Oguntimehin et al. (2026) studied this question.

synapsesocial.com/papers/6a55d0f45aafca87247f8209https://doi.org/10.1080/10807039.2026.2697717
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