| http://www.w3.org/ns/prov#value | - In its testing and analysis of the contaminants in the River, the Massachusetts Department of Environmental Protection (MassDEP) has documented multiple impairments including unknown toxicity, priority organics, metals, ammonia, chlorine, nutrients, organic enrichment, low dissolved oxygen, flow and other habitat alterations, pathogens, suspended solids, turbidity, objectionable deposits, and tast
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