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Pah Exposition And Carcinogenicity Risk Evaluation In Soils From Niger Delta, Nigeria

Author

Listed:
  • Kaywood Elijah Leizou

    (Department of Chemical Sciences, Niger Delta University, Wilberforce Island, P.M.B 071, Yenagoa, Nigeria)

  • Gift Cornelius Timighe

    (Department of Nursing, Bayelsa Medical University, Onopa, PMB 178, Yenagoa, Nigeria)

  • Muhammad Aqeel Ashraf

    (International Water, Air & Soil Conservation Society INWASCON 59200 Kuala Lumpur, Malaysia)

Abstract

Environmental pollution has become a cross-cutting issue in recent decades, garnering the attention of governments, governmental agencies, the general public, and scientific communities, and (PAHs) is one of the biggest hazards to public health. PAHs were evaluated in Niger Delta soils using a gas chromatography-mass spectrometry (GC-MS) technique to assess their distribution, exposure, and carcinogenicity risk. The SS1 location in the city had the highest amounts of PAH. The toxic equivalency factor (TEF), incremental lifetime cancer risk (ILCRs) and as well as a global comparison analysis was employed. The results showed that three city sample locations surpassed the clean-up standards for BaP, 0.1 mg/kg, according to the data. Carcinogenic polycyclic aromatic hydrocarbons (PAHs) are those polycyclic aromatic hydrocarbons (PAHs) determined as Group A (known human) and Group B (probable) carcinogens and currently seven PAHs classified probable human carcinogens (Group B2). The majority of the risk associated with PAHs is attributed to benzo (a) pyrene and a few other PAHs. The results further revealed that six out of the seven HMW PAHs are known human carcinogens. The results of this study were found to be within permissible levels recommended. However, the authors strongly advocate a remediation alternative aiming at decontaminating the PAH-polluted soils at SS1, SS3, and SS2.

Suggested Citation

  • Kaywood Elijah Leizou & Gift Cornelius Timighe & Muhammad Aqeel Ashraf, 2022. "Pah Exposition And Carcinogenicity Risk Evaluation In Soils From Niger Delta, Nigeria," Environmental Contaminants Reviews (ECR), Zibeline International Publishing, vol. 5(1), pages 35-39, March.
    • Handle: RePEc:zib:zbnecr:v:5:y:2022:i:1:p:35-39
    DOI: 10.26480/ecr.01.2022.35.39
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    References listed on IDEAS

    as
    1. Siyan Zeng & Jing Ma & Yanhua Ren & Gang-Jun Liu & Qi Zhang & Fu Chen, 2019. "Assessing the Spatial Distribution of Soil PAHs and their Relationship with Anthropogenic Activities at a National Scale," IJERPH, MDPI, vol. 16(24), pages 1-22, December.
    2. Batdelger Byambaa & Lu Yang & Atsushi Matsuki & Edward G. Nagato & Khongor Gankhuyag & Byambatseren Chuluunpurev & Lkhagvajargal Banzragch & Sonomdagva Chonokhuu & Ning Tang & Kazuichi Hayakawa, 2019. "Sources and Characteristics of Polycyclic Aromatic Hydrocarbons in Ambient Total Suspended Particles in Ulaanbaatar City, Mongolia," IJERPH, MDPI, vol. 16(3), pages 1-16, February.
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