Sediment Dredging at Superfund Megasites ... - Emsus.com

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Evaluation of Dredging EffectivenessDifficulties achieving low postdredgingsurface sedimentcontaminant concentrationsarise primarily from:• dredging’s limitations in fullyremoving contaminatedsediments.Courtesy of Marc Mills, US EPA - ORD
Evaluation of Dredging EffectivenessDifficulties achieving low postdredgingsurface sedimentcontaminant concentrationsarise primarily from:• site conditions that limitcomplete removal ofcontaminated sediments.The result is residualcontamination that hindersthe ability to achieve riskreduction.(Dalton, Olmsted & Fuglevand, Inc. 2006)
Page 1 and 2: Sediment Dredging atSuperfund Megas
Page 3 and 4: Reviewers of the Final ReportReview
Page 5 and 6: Outline• Introduction• Evaluati
Page 7 and 8: Committee’s Evaluation ofDredging
Page 9: Evaluation of Dredging Effectivenes
Page 13 and 14: Evaluation of Dredging Effectivenes
Page 15 and 16: Range of Experiences at Dredging Pr
Page 17 and 18: Manistique River and Harbor•Remov
Page 19 and 20: Evaluation of Dredging Effectivenes
Page 21 and 22: Monitoring at Sediment MegasitesREC
Page 23: Improving Future Decision-Making•

Sediment Dredging at Superfund Megasites ... - Emsus.com

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