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Evaluation of dredged material for ocean disposal under the MPRSA relies largely on biological (bioassay) tests. The
ocean testing manual, commonly referred to as the Green Book,
provides national guidance for determining the suitability of dredged material for ocean disposal.
Evaluation of dredged material for inland disposal under the CWA relies on the use of physical, chemical, and/or
biological tests to determine acceptability of material to be disposed. The
Inland Testing Manual (PDF) (176 pp, 9MB, About PDF) is national guidance which provides best
available methods for this CWA evaluation.
The U.S. Army Corps of Engineers maintains an online
ocean disposal database
for dredged material.
Additional information on dredging can be found at the U.S. Army Corps of Engineers'
Dredging Operations and Environmental Research Program
website.
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