Methodology for assessment of potential mutagenicity of dredged materials

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Abstract
Dredged material disposal criteria are currently based on measurement of chemical constituents, toxicity and biostimulation, but not on the presence of mutagenic materials. Extracts of sediments collected from Southwestern Lake Michigan ranged from non‐mutagenic to highly mutagenic when assayed by the Ames Test. It is suggested that this test be used to provide additional information of value for the issuance of permits for dredging activities.