Contaminated sediment or contaminated dredged material:Ĭontaminated sediments or contaminated dredged materials are defined as those that may cause an unacceptable adverse effect on human health or the environment. Other terms used for CDFs that appear in the literature include “confined disposal area,” “confined disposal site,” and “dredged material containment area.” Contaminant:Ī chemical or biological substance in a form that can be incorporated into, onto, or be ingested by or harm aquatic organisms, consumers of aquatic organisms, or users of the aquatic environment.
Confined disposal facility (CDF):Īn engineered structure for containment of dredged material consisting of dikes or other structures that enclose a disposal area above any adjacent water surface, isolating the dredged material from adjacent waters during placement.
Placement or use of dredged material as resource materials in productive ways, which provide environmental, economic, or social benefits.
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