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Updated: May 9, 2026

Laboratory Estimation of Net Trophic Transfer Efficiencies of PCB Congeners to Lake Trout (Salvelinus namaycush) from Its Prey
Published on: August 29, 2014
[Inter-laboratory crosscheck study of dioxins and PCBs in human blood samples]
Jumboku Kajiwara1, Takashi Todaka, Hironori Hirakawa
1Fukuoka Institute of Health and Environmental Sciences, 39 Mukaizano, Dazaifu, Fukuoka 818-0135, Japan. kajiwara@fihes.pref.fukuoka.jp
Abstract:
We developed an analytical method for accurately determining the concentrations of dioxin and polychlorinated biphenyls(PCBs) in a blood volume of 5 g. Inter-laboratory crosscheck is available for maintaining the quality of dioxin and PCB analysis. We carried out the crosschecks of dioxin and PCB analysis in the blood with domestic analysis organizations. Two crosschecks each of dioxin and PCB analysis were carried out from 2007 through 2011. As a result, the findings of our analysis accorded well with the analyses of the other organizations. We believe that our analytical method is sufficiently reliable.
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