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Full Project Description Located at: view PDF

Site Location: US EPA Region 2 Grasse River, Massena, New York

Project Status: Pilot completed in September 2001.

Environmental Setting: River (freshwater)

Intended Purpose for AquaBlok Use: Encapsulation of contaminated sediments

Contaminant(s) of Concern: PCBs (polychlorinated biphenyls)

AquaBlok Cap Design / Site Area: Multi-layer design. Design comprised of a basal layer of hydrated AquaBlok (~3-4 inches or ~8-10 cm in target thickness) covered by a surficial layer of sand/topsoil mix (~6 inches or ~15 cm in target thickness). Site area was 2,760 square meters (29,700 square feet).

Method of AquaBlok Placement: Barge-based crane plus clamshell.

Peruse EPA Region 2 Website