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. 2006 Mar 16;114(7):1024–1031. doi: 10.1289/ehp.8661

Figure 1.

Figure 1

Harbor seal pups were live-captured from three sites (Queen Charlotte Strait, Hornby Island, and Vancouver) in British Columbia, Canada, and two sites (Smith Island in Juan de Fuca Strait and Gertrude Island in Puget Sound) in Washington State, USA. Human population densities > 50 persons/km2 are a proxy for possible regional contaminant sources. From State of Washington Office of Financial Management (2000) and Statistics Canada (2001).