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Check out some of our most ambitious and successful projects to date. Our catalog is filled with our incredible work and the organizations we helped along our journey.

Transformation of a Closed Landfill into a Valuable Asset is Achievable with the Right Framework

Transformation of a Closed Landfill into a Valuable Asset is Achievable with the Right Framework

The Closed Landfill Value Realization Challenge: Despite over 30 years of effort, we have not adequately solved the closed landfill (CLF) value realization challenges. Since the late 1980s, over 5,000 solid waste landfills have closed and most of these are now subject to perpetual post-closure care, according to data published by the Solid Waste Association of North America (SWANA) and Statista.com.

Our Publications

  1. Okereke, V.O., et al (1996). Providing cost-effective Solid Waste Services to an Island Community, In. Proceedings of the Solid Waste Association of America, Northwest Regional Symposium, and Vancouver BC.
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  2. Okereke, V.O. (2002). Simulation of Landfill Leachate and Gas: Application to Leachate Recirculation and Landfill Gas – to – Energy Projects. IN. Waste Management and the Environment, Cadiz, Spain. WIT Press.
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  3. Okereke, V.O. (2003). A Landfill gas, Leachate, and Leachate Recirculation Model: Assessing the Economic Feasibility of Landfill gas – to- Energy Projects, J. for Municipal Solid professionals, July/August 2003.
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  4. Okereke, V.O. (2003). Analysis of Organizational Structure of the Engineering Services Section, King County Solid Waste Division, a White Paper Report.
  5. Okereke, V.O. (2004). Solid Waste Management in Nigeria: Challenges and Opportunities. IN. Proceedings of the 19th Annual Northwest Regional Symposium of the Solid Waste Association of America. Everett, Washington.
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  6. Okereke, V.O. et al (2004). Design Challenges and Approaches for the Horizontal and Vertical Expansion of the Cedar Hills Regional Landfill. IN. Proceedings of the Solid Waste Association of America Landfill Annual Symposium. Monterey, California, USA
  7. Okereke, V.O. (2006). Analysis of Carbon Sequestration in the Cedar Hills Regional Landfill. IN. Proceedings of the 21st Annual Pacific Northwest Regional & Canadian Symposium of the Solid Waste Association of America. Richmond, B.C., Canada
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  8. Okereke, V.O., Talich, C., McEwen, M. (2006). Recovering Airspace from Municipal Solid Waste Landfills: The Cedar Hills Regional Landfill Example. IN. Proceedings of the 21st Annual Pacific Northwest Regional & Canadian Symposium of the Solid Waste Association of America. Richmond, B.C., Canada.
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  9. Okereke, V.O. (2008). Greenhouse Gas Emission Offsets: Energy Recovery and Carbon Sequestration at the Cedar Hills Regional Landfill. IN. Proceedings of the 2008 American Public Works Association (APWA) Conference, Washington State.
  10. Okereke, V.O. (2016). Business Management Process Design: Business Process Reengineering, Solid Waste Division. Internal Consultant Report.
  11. Okereke, V.O. (2016). Guidance Paper: Capital Asset Performance Measurement Framework for King County Solid Waste Division, Internal Consultant Report.
  12. Okereke, V.O. (2017). A Strategic Approach for Managing Public Sector Solid Waste Utilities. Proceedings 2017 SWANA Northwest Symposium, April 2017
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  13. Okereke, V.O. (2021). Landfill End-Use Decision Making Framework-Application of Continual Management Processes for Closed Landfill Value Optimization, SWANA Evergreen Chapter Virtual Technical Session, Solid Waste Finance and Decision Management, January 2021
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