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Superfund Site Cost Allocation

Gradient was the technical advisor to a neutral mediator in a cost allocation of a large marine inlet with about 40 historical and current sources of contamination. We critiqued several dozen expert environmental forensic reports representing the various source entities; and provided advice to the mediator along with recommended allocation formulae based on our review. Particular focus was on differentiating PAHs from two former manufactured gas plants; a tar refinery; urban runoff; petroleum depots; and marinas. An allocation was accepted by the gro

Project Highlights

• PAH Fingerprinting
• MGP
• Tar Refining
• Urban Runoff
• Forensics

Other Projects:

• Superfund Site Cost Allocation
• Cost Allocation at Two Former MGP Sites
• Environmental Forensics of Tar Sources
• MGP Cleanup Liability
• RI/FS Cost Allocation Model
• PCB Cost Allocation