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An Exposure Assessment of Methyl Mercury via Fish Consumption for the Japanese Population

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  • Ying Zhang
  • Satoshi Nakai
  • Shigeki Masunaga

Abstract

The objective of this article was to propose an exposure assessment model to describe the relationship between fish consumption and body methyl mercury (MeHg) levels in the Japanese population. Individual MeHg intake was estimated by the summation of species‐specific fish consumption multiplied by species‐specific fish MeHg levels. The distribution of fish consumed by individuals and the MeHg level in each fish species were assigned based on published data from Japanese government institutions. The probability of MeHg intake for a population was accomplished through a Monte Carlo simulation by the random sampling of fish consumption and species‐specific MeHg levels. Internal body MeHg levels in blood and hair were estimated using a one‐compartment model. Overall, the mean value of MeHg intake for the Japanese population was estimated to be 6.76 μg/day or 0.14 μg/kg body weight per day (bw/day), while the mean value for the hair mercury level was 2.02 μg/g. Compared with the survey data that tabulated hair mercury levels in a cross‐section of the Japanese population, the simulation results matched the hair mercury survey data very well for women, but somewhat underestimated for men and all of the population. This exposure assessment model is a useful attempt at further risk assessment with respect to a risk‐benefit analysis.

Suggested Citation

  • Ying Zhang & Satoshi Nakai & Shigeki Masunaga, 2009. "An Exposure Assessment of Methyl Mercury via Fish Consumption for the Japanese Population," Risk Analysis, John Wiley & Sons, vol. 29(9), pages 1281-1291, September.
    • Handle: RePEc:wly:riskan:v:29:y:2009:i:9:p:1281-1291
    DOI: 10.1111/j.1539-6924.2009.01268.x
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    References listed on IDEAS

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    1. Nga L. Tran & Leila Barraj & Kim Smith & Annabelle Javier & Thomas A. Burke, 2004. "Combining Food Frequency and Survey Data to Quantify Long‐Term Dietary Exposure: A Methyl Mercury Case Study," Risk Analysis, John Wiley & Sons, vol. 24(1), pages 19-30, February.
    2. Clark D. Carrington & Michael P. Bolger, 2002. "An Exposure Assessment for Methylmercury from Seafood for Consumers in the United States," Risk Analysis, John Wiley & Sons, vol. 22(4), pages 689-699, August.
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    Cited by:

    1. Nydia‐Yuriana Zamora‐Arellano & Miguel Betancourt‐Lozano & César Ilizaliturri‐Hernández & Jaqueline García‐Hernández & Matín Jara‐Marini & Cristina Chávez‐Sánchez & Jorge Ricardo Ruelas‐Inzunza, 2018. "Mercury Levels and Risk Implications Through Fish Consumption on the Sinaloa Coasts (Gulf of California, Northwest Mexico)," Risk Analysis, John Wiley & Sons, vol. 38(12), pages 2646-2658, December.
    2. Yi‐Jun Lin & Pinpin Lin, 2019. "Probabilistic Integrated Human Mixture Risk Assessment of Multiple Metals Through Seafood Consumption," Risk Analysis, John Wiley & Sons, vol. 39(2), pages 426-438, February.

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