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Coke and By-Products Plant

Summary

The project site is a 170-acre former major coke and by-products chemical manufacturing facility located along the Hackensack River in Kearny, New Jersey. The site is being addressed via an Administrative Consent Order between the NJDEP and the former site owner. DNAPL and various other constituents including chromium were found to be present in site media. The site has been remediated and plans are being developed for a multi-use industrial development.

Techniques

Steel sheet pile retaining wall/ bulkhead cement/bentonite slurry wall 

Capillary breaks for prevention of chromium vertical mobility

River sediment removal and restoration 

On-site consolidation of impacted soils and sediments

Solidification/stabilization (S/S) of potential source materials 

Wetlands mitigation, DNAPL recovery and passive groundwater treatment

 Building and tank demolition