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Lead in Soil and Sediment in Iqaluit, Nunavut, Canada, and Links with Human Health

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Abstract

This study determined the spatial distribution of soiland of sediment-associated lead in Iqaluit, Nunavut.Samples were collected from the following areas:outside the built-up area of the town to reflectbackground concentrations; known or potential pointsources of lead, such as the Upper Base, the SylviaGrinnell Dump and the Metal Dump (North 40); andresidential and commercial areas of Iqaluit and Apex,a satellite community. In the laboratory, the <63 μm sample fraction was analyzed for total lead andbioavailable lead, estimated by non-residual acidextractable lead content. The research findings revealthat elevated levels of bioavailable lead are presentin the study area. Total lead concentrations generallydo not exceed environmental guidelines. However, leadconcentrations in the Sylvia Grinnell Dump, and Apexand Iqaluit grid areas exceed health-based guidelines.The research concludes that there is not a serioushealth hazard posed by lead levels in the soil andsediment in the study area. However, severalenvironmental (elevated lead levels, bioavailableforms of lead and bare soil surfaces) and behaviouralfactors (vigorous and unsupervised play outside) maycreate a risk of lead exposure.

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Authors and Affiliations

  1. School of Planning, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada

    Liisa A. Peramaki

  2. School of Planning, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada

    Jody F. Decker

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  1. Liisa A. Peramaki
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  2. Jody F. Decker
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Peramaki, L.A., Decker, J.F. Lead in Soil and Sediment in Iqaluit, Nunavut, Canada, and Links with Human Health. Environ Monit Assess 63, 329–339 (2000). https://doi.org/10.1023/A:1006253529308

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  • DOI: https://doi.org/10.1023/A:1006253529308

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