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Environmental Health Risk Assessment of Dioxin Exposure through Foods in a Dioxin Hot Spot—Bien Hoa City, Vietnam

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  • Tran Thi Tuyet-Hanh

    (Hanoi School of Public Health, Hanoi, Vietnam)

  • Le Vu-Anh

    (Hanoi School of Public Health, Hanoi, Vietnam)

  • Nguyen Ngoc-Bich

    (Vietnam Public Health Association, Hanoi, Vietnam)

  • Thomas Tenkate

    (School of Public Health, Queensland University of Technology, Brisbane, Australia)

Abstract

This study used the Australian Environmental Health Risk Assessment Framework to assess the human health risk of dioxin exposure through foods for local residents in two wards of Bien Hoa City, Vietnam. These wards are known hot-spots for dioxin and a range of stakeholders from central government to local levels were involved in this process. Publications on dioxin characteristics and toxicity were reviewed and dioxin concentrations in local soil, mud, foods, milk and blood samples were used as data for this risk assessment. A food frequency survey of 400 randomly selected households in these wards was conducted to provide data for exposure assessment. Results showed that local residents who had consumed locally cultivated foods, especially fresh water fish and bottom-feeding fish, free-ranging chicken, duck, and beef were at a very high risk, with their daily dioxin intake far exceeding the tolerable daily intake recommended by the WHO. Based on the results of this assessment, a multifaceted risk management program was developed and has been recognized as the first public health program ever to have been implemented in Vietnam to reduce the risks of dioxin exposure at dioxin hot-spots.

Suggested Citation

  • Tran Thi Tuyet-Hanh & Le Vu-Anh & Nguyen Ngoc-Bich & Thomas Tenkate, 2010. "Environmental Health Risk Assessment of Dioxin Exposure through Foods in a Dioxin Hot Spot—Bien Hoa City, Vietnam," IJERPH, MDPI, vol. 7(5), pages 1-12, May.
    • Handle: RePEc:gam:jijerp:v:7:y:2010:i:5:p:2395-2406:d:8334
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    References listed on IDEAS

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    1. Jeanne Mager Stellman & Steven D. Stellman & Richard Christian & Tracy Weber & Carrie Tomasallo, 2003. "The extent and patterns of usage of Agent Orange and other herbicides in Vietnam," Nature, Nature, vol. 422(6933), pages 681-687, April.
    2. Palmer, Michael G., 2005. "The legacy of agent orange: empirical evidence from central Vietnam," Social Science & Medicine, Elsevier, vol. 60(5), pages 1061-1070, March.
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    1. Dang Ton Nguyen & Hai Ha Nguyen & Thuy Duong Nguyen & Thi Thanh Hoa Nguyen & Kaoru Nakano & Kazuhiro Maejima & Aya Sasaki-Oku & Van Ba Nguyen & Duy Bac Nguyen & Bach Quang Le & Jing Hao Wong & Tatsuhi, 2018. "Whole Genome Sequencing of a Vietnamese Family from a Dioxin Contamination Hotspot Reveals Novel Variants in the Son with Undiagnosed Intellectual Disability," IJERPH, MDPI, vol. 15(12), pages 1-11, November.

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