Our Services - Sediment Management

We are a nationally recognized firm for our expertise in managing contaminated sediments. Our staff have been selected by USEPA, US Army Corps of Engineers, and National Academy of Sciences to participate in development and peer review of various projects and technical documents. Our sediment sites include mega-sites Fox River in Wisconsin, Hudson River in New York, Great Lakes Legacy Act projects at Ashtabula and Ottawa Rivers in Ohio, as well as manufactured gas plant sites in multiple states.

Characterization services:

• Evaluation of historic inputs
• Field reconnaissance and morphology
• Benthic community surveys
• Bathymetric, sub-bottom, and side-scan surveys
• Various core and grab sampling techniques
• Site conceptual models

Remediation services:

• Remedial technologies and feasibility analyses
• Engineering cost development
• Remedial design for dredging and capping
• Treatment and disposal design
• Monitored natural recovery implementation
• Contractor procurement
• Remedial oversight