UNU-INWEH Another Drop Seminar Series
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Another Drop March 2016

The United Nations University Institute for Water, Environment and Health (UNU-INWEH) is pleased to invite you to its next free, public lecture! 

Locking Up Randle Reef

Hamilton Harbour is home to the largest and most contaminated site within the Canadian side of the Great Lakes – Randle Reef. The site is approximately 60 hectares (120 football fields) in size containing approximately 695,000 cubic meters of sediment contaminated with polycyclic aromatic hydrocarbons (PAH) and other toxic chemicals. The contamination is often described as “a spill in slow motion” due to the continuing slow spread of contaminants across the Harbour floor and uptake into the food chain of the Harbour ecosystem. PAH contamination at Randle Reef is a legacy of a variety of past industrial processes dating back to the 1800s. There were multiple sources of contamination including coal gasification, petroleum refining, steel making, municipal waste, sewage and overland drainage.
The site was first identified as a principal target of Harbour restoration efforts in the late 1980s. Studies were conducted over several years to determine possible options for cleaning up the site. In 2002, a Project Advisory Group reached an agreement to explore the idea of containing and capping the sediment. An environmental assessment, project designs, and the quest to secure funding followed. The Randle Reef sediment remediation project involves constructing a 6.2 hectare engineered containment facility on top of a portion of the most contaminated sediment, then dredging and placing the remaining contaminated sediment in the facility.
This presentation will examine the history and characteristics of the problem and the solution.

WHEN: Tuesday March 22, 2016

6:30pm (Refreshments)
7:00pm (Lecture)

McMaster Innovation Park
Conference Room 1AB
175 Longwood Road South
Hamilton, ON. L8P 0A1

ADMISSION COST: Absolutely free!


Please note that seating is limited. 

To register  spot, RSVP online here or 
email us at

Guest Speaker

Chris McLaughlin has been Executive Director of the Bay Area Restoration Council in Hamilton since 2011. Established in 1991, BARC represents the public interest in the restoration of Hamilton Harbour and its watershed. Chris was previously the chief executive of the Niagara Escarpment Foundation and a consultant to governments, foundations and nonprofits. His PhD from McMaster University investigated the characteristics of success and failure in the Great Lakes Remedial Action Plan program. Chris has published numerous reports, chapters and peer-reviewed articles on water-related policy, management and governance, and is active in the local community, having served on numerous agency boards, including of the Hamilton Public Library and the Hamilton Conservation Authority’s Water Management Advisory Board. Chris and his wife and their blended family live in Hamilton’s southwest.
Copyright © 2016 United Nations University Institute for Water, Environment and Health (UNU-INWEH), All rights reserved.

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