FORUM ON USE OF CAD CELLS IN NEWARK BAY VS. OFF-SITE DISPOSAL

FORUM ON USE OF CAD CELLS IN NEWARK BAY VS. OFF-SITE DISPOSAL July 22, 2014 New Jersey Institute of Technology 7/26/2014

Diamond Alkali Superfund Site Contaminated with dioxins, PCBs, pesticides, metals, PAHs Proposed Plan to clean up sediments of lower 8 miles issued in April 2014 17-mile Lower Passaic River Study Area lower 8 miles

EPA evaluated 4 options: Cleanup Options 1) No Action 2) Deep Dredging with Backfill 3) Capping with Dredging for Flooding and Navigation 4) Focused Dredging and Capping Active Options Active options have 3 disposal methods: A. CAD (confined aquatic disposal) in Newark Bay B. Off-Site Disposal C. Local Decontamination & Beneficial Use 7/26/2014 3

Disposal Method A: Confined Aquatic Disposal (CAD) No on-land processing facility 4

Dredging Disposal Method B: Off-Site Disposal Transport From Barge to Land Dewatering Loading onto Train Courtesy of John Henningson; Henningson Environmental Services, Inc. Off-site Disposal Courtesy of Stuyvesant Environmental Contracting, LLC (Boskalis-Dolman) Courtesy of Stuyvesant Environmental Contracting, LLC (Boskalis-Dolman) Water Treatment Plant 5

Proposed Cleanup Plan Cleanup Option Volume Dredged Construction Time Disposal Methods Cost 1) No Action N/A N/A None $0 2) Deep Dredging with Backfill 9.7 million cubic yards 11 years A) CAD $1.3 Bil B) Off-Site Disposal $3.2 Bil C) Decon/Beneficial Use $2.6 Bil 3) Capping w/ Dredging for Flooding &Navigation 4.3 million cubic yards 5 years A) CAD $1.0 Bil B) Off-Site Disposal $1.7 Bil C) Decon/Beneficial Use $1.6 Bil 4) Focused Capping w/ Dredging for Flooding 0.9 million cubic yards 2 years A) CAD $0.4 Bil B) Off-Site Disposal $0.6 Bil C) Decon/Beneficial Use $0.6 Bil

Information and Comments Information available at: ourpassaic.org and Newark and Elizabeth Public Libraries Public comment period ends August 20, 2014 Send comments to: PassaicLower8MileComments.Region2@epa.gov or Alice Yeh Environmental Protection Agency 290 Broadway, 19 th Floor New York, NY 10007-1866 7

FORUM ON NAVIGATION IN THE LOWER 2.2 MILES OF THE PASSAIC RIVER July 22, 2014 New Jersey Institute of Technology 7/26/2014

Navigation Channel Depths Federally Authorized Navigation Channel Built by Corps of Engineers in late 1800s Maintained until 1950s-1980s Depth of Navigation Channel (Feet below Mean Low Water) 10 16 20 25 30 Proposed Depths in Lower 2.2 Miles (Cleanup Option 3) Based on 2010 Corps of Engineers berth-by-berth survey of commercial users Dredging a channel adds substantially to the volume and cost of the proposed cleanup plan

Example Vessels for Navigation Depths For 30-foot navigation channel http://www.maritimesales.com/vec10.htm http://passaic.sharepointspace.com/public%20documents/2010-07- 29%20USACE%20Lower%20Passaic%20River%20Commercial%20Nav igation%20analysis.pdf For 20-foot navigation channel http://www.maritimesales.com/snr10.htm http://www.maritimesales.com/ast10.htm For 10-foot navigation channel 7/26/2014 http://www.maritimesales.com/tts10.htm http://www.maritimesales.com/tom10.htm 13