Former Zephyr Refinery: fire suppression ditch area project

Situated in Muskegon, Michigan, the project provided numerous environmental benefits related to the remediation of legacy sediment contamination as well as restoration of the habitat into a more diverse wetland system.

Cleanup of the Lower Fox River, Wisconsin Operable Units
Cleanup of the Lower Fox River, Wisconsin Operable Units

To clean up a 13 mile stretch of the river, PCB contamination from industrial plants is being remediated by a unique combination of dredging, capping and separating clean sand and dewatering the fine sediments with membrane presses.