Is mirex still a contaminant of concern for the North American Great Lakes?

Mirex, historically used as a pesticide and fire retardant, was released to Lake Ontario during the 1960s. Even after 35–40 years of cessation of its production and bans on use during the 1970s, mirex is considered a contaminant of concern. In this study, we present a comprehensive view of long-term trends and significance of mirex/photomirex levels in fish from the Canadian waters of the Great Lakes. Majority of measurements (except for Lake...