Table of Contents
AquaBlok™
Presentation Objectives
Contaminated Sediments - Extent of Problem
Impacted U.S. Watersheds
Approaches to Sediment Remediation
Recommended Functions of In-Situ Remedial Caps
AquaBlok™ Sediment-Capping Technology
Individual AquaBlok™ Particle
Application of Bulk AquaBlok™ Mass Through Water Column
AquaBlok™ Before/After hydration
Demonstrated Functions of AquaBlok™ Caps
Isolation of Contaminated Sediments from Benthic Environment
Isolation of Sediments From Benthic Environment
Isolation of Sediments From Benthic Environment
Stabilization of Contaminated Sediments
Stabilization of Contaminated Sediments - Flume Studies
Sand
AquaBlok™
Stabilization of Contaminated Sediments
Reduction of Contaminant Transport into Water Column
Advection Component (AquaBlok™ Permeability)
Advection Component.(AquaBlok™ Permeability)
Advection Component (AquaBlok™ Permeability)
Contaminant Interaction with Particle Surfaces Reduces Movement
Reduction of Contaminant Transport Into Water Column
AquaBlok™ Effectiveness in Wetland Ecosystems
Eagle River Flats, Alaska.Treatment Pen Before AquaBlok™
Eagle River Flats, Alaska.Treatment Pen 1-Year After AquaBlok™
Eagle River Flats, Alaska.Mallard Mortality - Pre and Post Treatment 1994
AquaBlok™ Effectiveness in Wetland Ecosystems
Use of AquaBlok™ in Typical Capping Projects
US EPA Guidance for In-Situ Sediment Capping
Site Conditions (Wetland Ecosystem)
Site Conditions (Deepwater Ecosystem)
Sediment Distribution and Occurrence
Sediment Characteristics
AquaBlok™ Cap Designs
Equipment and Cap Placement Techniques
Equipment and Cap Placement Techniques
Construction Verification and Cap Monitoring
Conclusions
About AquaBlok™
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