Affiliated Researchers collected sediment samples using vibracore and manual methods at a USEPA Superfund site in Michigan’s Upper Peninsula.

These sediment sampling services were needed to determine the characteristics of sediment in the sediment removal area, and allow for proper disposal of dredged material.

The chemical and physical properties of the sediments were characterized to determine environmental management protocols to include methods encapsulation, dredging, de-watering, transport, and disposal.

To accomplish this task, Affiliated Researchers mobilized its trained crew, its 20’ vibracore vessel, and the industry proven Rossfelder P-3 underwater vibracore system for collecting the vibracore sediment samples.

Affiliated Researchers established three survey control points at the site using recognized National Geodetic Survey OPUS methods (with horizontal and vertical accuracies of 0.05’).  Affiliated Researchers utilized its RTK-GPS survey equipment to navigate to sampling locations, and to collect location data of approximately 40 vibracore sediment sample locations at the site.

Affiliated Researchers recorded water depth, water surface elevation, core-tube penetration, and sediment recovery measurements at each location, in order to calculate sediment elevation, sediment thickness, and the percent recovery for each sediment core.