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NILU – Norsk institutt for luftforskning

Year: 2019/2020/2021
Project manager: Nicholas A. Warner
Project code: 612018/481 762019

Despite decreasing levels of many contaminants in Arctic human populations, there is clear indications that the complexity of the contaminant cocktail is increasing and several compounds are increasing in concentration. However, contaminant exposure among circumpolar populations is affected by regional differences in diet, chemical use, and legislation, highlighting the need to establish a collaborative framework within circumpolar nations to address exposure risks to humans from both emerging and unknown contaminants. The primary objective of this project is to establish a collaborative framework (SEARCH) for detecting and describing time trends for emerging contaminants in Arctic populations, which is of great importance for international environmental management. Combining analytical capabilities between NILU (Norway) and INSPQ (Canada) with complementary state of the art technology, we will address analytical challenges associated with emerging classes of contaminants and identification of unknown exposure risks. Through UiT- the Arctic University of Norway and Laval University, use of bio-banked blood samples from Northern Norway and Nunavik (northern Quebec, Canada) populations will address time trends and geographical differences in exposure. Furthermore, recruitment of graduate students will occur through these institutes. Retrospective analysis of stored high-resolution accurate mass data obtained within SEARCH will provide a database to assess unknown exposure risks. Established methodology will be applied to key dietary items provided by Fram Centre (NPI and APN) and Canadian partners (INSPQ) within regions of sampled populations to assess sources of exposure from the surrounding ecosystem

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