Journal: More Restrictive Fish Consumption Advisories Warranted
Posted on: November 29, 2016
Guide to Eating Ontario Fish
Click the graphic to proceed to “The Guide to Eating Ontario Fish.”

Environmental Health Perspectives is a monthly peer-reviewed journal of research and news published with support from the U.S. National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health and the U.S. Department of Health and Human Services.

A new study published in EHP explores consumption advisories due to toxic substances like mercury and PCBs placed on fish in the Great Lakes. These consumption advisories are not limited to the Great Lakes and are in effect for inland waters across every Great Lakes state and Ontario.

The article notes that in the Great Lakes region, “PCB and mercury are the major contaminants causing restriction on consuming fish, while dioxins/furans, toxaphene and mirex/photomirex are of a minor concern.” The article postulates that fish consumption advisories do not take into account a mixture of chemicals.

Fish contaminant monitoring data collected by the Government of Ontario is used for the study and results in a conclusion that, “About half of the advisories presently issued are potentially not adequately protective… Many fish, which are popular for consumption such as walleye, salmon, bass and trout, would have noticeably more stringent advisories.”


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