| http://www.w3.org/ns/prov#value | - According to the ...Mining ?? 1/2/2014Huge Ponds Hold Tar Sands Sludge, and Great Risks (Op-Ed)The mining operations generate massive volumes naphthenic acids, polycyclic aromatic hydrocarbons, phenolic compounds, ammonia, and mercury and other trace metals, and some of these compounds are carcinogenic.
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