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EREF Webinar – Functional Stability and the End of Post-Closure Care at Municipal Solid Waste Landfills

December 4 @ 2:00 pm - 3:30 pm

| $35

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This presentation will discuss the timeframe and issues surrounding post-closure care (PCC) at municipal solid waste (MSW) landfills, and outline a performance-based methodology that has been successfully applied at a number of sites in North America and Europe.  The methodology, termed “Evaluation of Post-Closure Care (EPCC),” provides a modular approach for sequentially evaluating each of the four landfill PCC elements (leachate management, landfill gas management, groundwater monitoring, and cover maintenance) in terms of “functional stability.” EPCC was developed by a multi-disciplinary team led by Geosyntec under a grant from the Environmental Research & Education Foundation (EREF), and published in 2006 as the Evaluation of Post-Closure Care (EPCC) Methodology.

This presentation will provide an update on the status of PCC regulations in the U.S., with a focus on promulgation of performance-based approaches.  Thereafter, we will explore the following attributes of evaluating the post-closure condition of a landfill adopting a performance-based approach:

This webinar will: 

  1. Highlight case studies on how EPCC can be applied to progressively demonstrate that certain PCC elements can be safely modified (reduced) or ended.
  2. Provide examples of passive control measures that require only minimal monitoring and maintenance, activities that may be compatible with or even integrated into several beneficial reuse options at a closed landfill.
  3. Suggest mechanisms for transfer of responsibility from a regulated PCC program to a post-regulatory custodial care program after functional stability is demonstrated and confirmed through monitoring.
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Dr. Morton Barlaz
Head of the Dept. of  Civil, Construction, and Environmental Engineering
North Carolina State University

Dr. Morton A. Barlaz is Distinguished University Professor and Head of the Department of Civil, Construction, and Environmental Engineering at North Carolina State University. He received a B.S. in Chemical Engineering from the University of Michigan and an M.S. and Ph.D. in Civil and Environmental Engineering from the University of Wisconsin in 1988.  He joined NC State in 1989 and has been Department Head since 2010.

Dr. Barlaz has been involved in research on various aspects of solid waste since 1983. Over this time, he has conducted research on biological refuse decomposition, methane production, the biodegradation of hazardous wastes in landfills and policies for the long-term management of landfills after closure. His research forms the basis for much of the work done to assess the impact of landfills on methane emissions inventories.  Dr. Barlaz is also recognized for his research on the use of life-cycle analysis to evaluate environmental emissions associated with alternate solid waste management strategies.  Dr. Barlaz is the author of over 130 peer-reviewed publications and has made hundreds of presentations at conferences throughout the world.

Dr. Barlaz has served as an Associate Editor for two journals (Waste Management and Journal of Environmental Engineering), co-chair of the bi-annual Intercontinental Landfill Research Symposium for twelve years and as co-chair of the Global Waste Management Symposium.  He has also served as chair of the Government Affairs Committee and the Lectures Committee for the Association of Environmental Engineering and Science Professors.

Jeremy Morris_2015_5x7

Dr. Jeremy Morris
Principal
Geosyntec Consultants

Dr. Jeremy Morris is a Principal with Geosyntec Consultants based in Columbia, Maryland.  He received a B.Eng. in Civil Engineering and an M.S. in Environmental Engineering from Imperial College, London (England) and a Ph.D. in Environmental Engineering from the University of the Witwatersrand, Johannesburg (South Africa) in 2001.  His doctoral research work involved investigation of waste biodegradation processes, landfill hydrological properties, pollution potential, and time to stabilization.

Dr. Morris has over 18 years of professional and academic experience in the field of solid waste management.  Since joining Geosyntec in 2001, he has provided lifecycle technical design and project management services during permitting and construction of new landfills and lateral or vertical landfill expansions at numerous sites around the country and internationally.  His technical specialties include landfill closure and post-closure care, waste characterization, and leachate characterization and treatment.  He also has experience with landfill gas management and utilization, feasibility analyses for landfill-based renewable energy technologies, and sustainable approaches to landfill development and long-term management and remediation of closed sites.

Jeremy is the author of over 50 technical papers.  In addition to regular participation at technical symposia, Dr. Morris has been actively engaged in teaching, speaking, or developing guidance documents for the U.S. EPA as well as regulatory and profession associations such as SWANA, ISWA, ITRC, and IWWG.  He is active with IWWG’s Sustainable Landfill Task Group, which aims to develop international consensus on issues related to PCC and provide working definitions and criteria for PCC completion and the operational controls/measures necessary to achieve a sustainable landfill.

EPCC was developed by a multi-disciplinary team led by Geosyntec under a grant from the Environmental Research & Education Foundation (EREF), and published in 2006 as the Evaluation of Post-Closure Care (EPCC) Methodology.  The methodology is advocated by the Interstate Technology and Regulatory Council (ITRC) in their 2006 technical guidance document on evaluating, optimizing, and completing PCC, which has also been referenced in revisions to solid waste regulations and guidance developed by California (27CCR §22211, 2010), Washington (Ch. 173-351 WAC, 2012), and Florida (Guidance Document SWM-04.45, 2016).  Other states (notably Colorado and Michigan) have expressed interest in a functional stability approach but have yet to develop specific guidance or regulations.  New York has revised their PCC regulations to allow transition from PCC to custodial care under a reduced level of regulatory oversight per 6 NYCRR Part 363-9.6(b); however, they have not fully endorsed a post-regulatory custodial care status, citing concerns that an unregulated program may not guarantee appropriate cover maintenance.

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A limited number of student scholarships are available upon request. For more information, please e-mail education@erefdn.org.

Details

Date:
December 4
Time:
2:00 pm - 3:30 pm
Cost:
$35
Event Category:

Organizer

EREF Education Program
Phone:
(919) 861-6876
Email:
education@erefdn.org
Website:
http://www.erefdn.org