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

Transcription

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

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

3 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

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

5 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

6 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

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

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

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

10 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/

11 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

12 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) 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

13 Example Vessels for Navigation Depths For 30-foot navigation channel %20USACE%20Lower%20Passaic%20River%20Commercial%20Nav igation%20analysis.pdf For 20-foot navigation channel For 10-foot navigation channel 7/26/

14 Information and Comments Information available at: ourpassaic.org and Newark and Elizabeth Public Libraries Public comment period ends August 20, 2014 Send comments to: or Alice Yeh Environmental Protection Agency 290 Broadway, 19 th Floor New York, NY