Rothschild Roger F N, Duffy Lawrence K
Institute of Arctic Biology, Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, Alaska 99775, USA.
Alaska Med. 2002 Jan-Mar;44(1):2-7.
The level of methylmercury in the hair of 16 rural Alaskan subsistence food users from Napakiak, a small Yup'ik Eskimo village on the Kuskokwim River in southwest Alaska, was assessed. A non-subsistence population of 20 non-Yup'ik adults from the urban interior city of Fairbanks was used as a comparison group. The Napakiak Yup'ik had a mean methylmercury concentration in hair of 1.45 ppm with a range of 0.32-4.00 ppm, while the Fairbanks population had a mean concentration of 0.19 ppm with a range of 0.03 to 0.43 ppm in their hair. Comparison with an earlier study by Galster (1976) from this region, suggests that no increase in exposure to mercury has occurred in subsistence food users. The methylmercury levels in hair in the rural village population, although higher than the urban group, are well below the World Health Organization (WHO) safety limit of 10 ppm.
对来自阿拉斯加西南部库斯科基姆河沿岸一个小型尤皮克族爱斯基摩村庄纳帕基亚克的16名阿拉斯加农村自给性食物食用者头发中的甲基汞含量进行了评估。将来自内陆城市费尔班克斯的20名非尤皮克族成年非自给性人口作为对照组。纳帕基亚克的尤皮克族人头发中的甲基汞平均浓度为1.45 ppm，范围在0.32 - 4.00 ppm之间，而费尔班克斯人群头发中的平均浓度为0.19 ppm，范围在0.03至0.43 ppm之间。与该地区加尔斯特（1976年）早期的一项研究相比，表明自给性食物食用者的汞暴露没有增加。这个乡村人口头发中的甲基汞含量虽然高于城市组，但远低于世界卫生组织（WHO）10 ppm的安全限值。
