1. 2011 TRB Workshop Camp Withycombe Small Arms Firing Ranges Green Remediation-Case Study Sunrise Corridor Project 1 Presented by: Len Farr AMEC Earth & Environmental, Inc. 2011 TRB Waste Management & Resource Efficiency Workshop Portland, Oregon

2. 2011 TRB Workshop 2  Project Context  Project Background  Green Remedy Selection  Implementation  Final Numbers  Summary Outline

3. 2011 TRB Workshop 3 ODOT and Clackamas County propose to build a new, east-west oriented, limited-access highway between Interstate 205 and the Rock Creek Junction. Project Context

4. 2011 TRB Workshop 4 The highway corridor transects Camp Withycombe, an Oregon Army National Guard Installation. Project Context

5. 2011 TRB Workshop 5  Soil impacted within highway corridor by small arms firing ranges.  Land within highway corridor potentially contains UXO.  Land within natural area potentially contains UXO. Project Context

6. 2011 TRB Workshop 6  First Camp Withycombe range built in 1909.  Expanded to seven ranges.  Use of ranges discontinued in 2007.  Oregon DEQ was lead regulatory agency.  Other Stakeholders include ODOT, ODFW, USFWS, Clackamas County, SHPO, DSL, and USACE Project Background

7. 2011 TRB Workshop 7 Sustainability Components  Energy Requirements  Air Emissions  Impacts on Water Resources  Land and Ecosystem Impacts  Material Consumption  Waste Generation  Future Beneficial Land Use  Long-term Stewardship Green Remedy Selection

8. 2011 TRB Workshop 8 DEQ and OARs  Green Remediation Benefits Quantitative  Feasibility Study Acceptance Highly Dependent on the DEQ Project Manager  Rules do not consider: social, cultural, and ecological habitat impacts associated with remedy implementation Green Remedy Selection Feasibility Studies  Protectiveness  Effectiveness  Long-Term Reliability  Implementability  Implementation Risk  Reasonableness of Cost

9. 2011 TRB Workshop 9 Feasibility Studies  Remedial Action Alternatives – No Action – In-Place Containment with Institutional Controls – Excavation with Off-Site Disposal of Untreated HW Soil (dig & haul - presumptive remedy) – Excavation with Off-Site Disposal of Stabilized Treated Soil – Excavation with Ex-Situ Soil Treatment and On-Site Reuse Beneath Asphalt Cap – Excavation with Ex-Situ Soil Treatment Using Stabilization and On-Site Reuse  Treatability Studies – Estimated Lead Removal Efficiency – Estimated Quantity Available for Reuse – Effectiveness of Stabilization Agent (Phosphate) Green Remedy Selection

10. 2011 TRB Workshop 10 Implementation Pre-Screen, 2” Plus Dry Screen Gravity SeparationPhosphate Amendment

11. 2011 TRB Workshop 11 Implementation Former KD Range

12. 2011 TRB Workshop 12 Implementation Soil Treatment Plant

13. 2011 TRB Workshop 13 Implementation 800 mg/kg or less soil piles ready for reuse at AFRC MILCON Project

14. 2011 TRB Workshop 14 Implementation Bullet Fraction Ready for Recycling – Stored in 1-ton Capacity Recycled Sugar Sacks

15. 2011 TRB Workshop 15  Converted nearly 30,000 tons of hazardous waste into reusable material, at a cost savings of more than $5 million  Recovered about 270 tons of lead bullets for recycling  Created 4,400 tons of structural fill, at cost savings of about $150,000  Treated 7,145 tons of material to level suitable for reuse in project area, at a cost savings of about $228,400 Final Numbers

16. 2011 TRB Workshop 16  Donated whole trees to Oregon Department of Fish and Wildlife for use in stream habitat restoration projects and 25 trees to the Outdoor Forestry Learning Center  Relocated over 100 trees creating native habitat during reforestation  Treated and reused all treatment process water for irrigation  Recycled asphalt and base rock from one-acre treatment pad  Recycled 62 tons of scrap metal and steel generated during project Final Numbers

17. 2011 TRB Workshop 17 Eliminated more than 1,480 truck trips through the Columbia River Gorge National Scenic Area, preventing:  355,200 truck miles  83,000 gallons of diesel fuel, at a cost savings of about $415,000  914 pounds of particulate matter  1,859,200 Pounds of CO 2  36,543 pounds of NO x  1,672 pounds of SO x Final Numbers

18. 2011 TRB Workshop 18 Summary  Recycled many materials and wastes generated during project.  Drastically reduced quantity of fossil fuels required, and avoided discharge of air pollutants in the Columbia Gorge National Scenic Area.  Saved ORARNG nearly $6 million as compared to traditional hog and haul.

19. 2011 TRB Workshop 19 Questions? 2009 Secretary of the Army Environmental Award Environmental Restoration Category Left: Addison “Tad” Davis, former Deputy Assistant Secretary of the Army for Environment, Safety and Occupational Health Right: Jim Arnold, Oregon Military Department, Restoration Manager