Grassy Island
... that, according to the U.S. Environmental Protection Agency, Grassy Island in the Detroit River contains 28 different types of toxic contaminants that exceed acceptable state and federal safety levels?
... that, according to the <a href="./United_States_Environmental_Protection_Agency" id="mwCUM" rel="mw:WikiLink" title="United States Environmental Protection Agency">U.S. Environmental Protection Agency</a>, <b id="mwCUQ"><a href="./Grassy_Island" id="mwCUU" rel="mw:WikiLink" title="Grassy Island">Grassy Island</a></b> in the <a href="./Detroit_River" id="mwCUY" rel="mw:WikiLink" title="Detroit River">Detroit River</a> contains 28 different types of toxic contaminants that exceed acceptable state and federal safety levels?