Stormwater Management

Workshop

Stormwater Management Pond Sediment - Valuable Resource or Costly Waste?

Tuesday, February 13
8:00 AM - 9:00 AM

PDH: 1

Location: 102A

Level of Presentation: All: Suitable for a broad audience

This presentation will discuss SWM pond sediment beneficial reuse opportunities as alternatives to landfill disposal. This risk based approach is based on knowledge gained from sediment chemistry characterizations of samples collected from over 100 residential SWM ponds. Predictable contaminant concentrations, sources and bioavailability factors are considered for the development of a new regulatory framework for SWM pond sediment beneficial reuse.

This presentation will discuss SWM pond sediment beneficial reuse opportunities as alternatives to landfill disposal. This risk based approach is based on knowledge gained from sediment chemistry characterizations of samples collected from over 100 residential SWM ponds. Predictable contaminant concentrations, sources and bioavailability factors are considered for the development of a new regulatory framework for SWM pond sediment beneficial reuse.

Learning Objectives:

Target Audience: Government Agency,Legal,Storm Water,Waste Management

Francine Teresa Kelly-Hooper

Soils Scientist
CH2M Hill - Kitchener ON

Dr. Francine Kelly-Hooper is a Soils Scientist with over 25 years of experience in government and private sectors. Francine operated her own consulting business, Kelly Hooper Environmental Ltd., from 1998 until joining CH2M HILL in 2014. Francine has studied Stormwater Management Facility (SWMF) sediment chemistry and beneficial use options for over 20 years. In 2004, she worked with the City of Waterloo on their first SWM pond sediment chemistry analysis and disposal evaluation. The sediment triggered regulated waste management requirements due to slightly elevated petroleum hydrocarbons (PHCs) and polyaromatic hydrocarbons (PAHs). This raised the question of whether landfill disposal would be typically required for all residential SWMFs. This question was highly relevant to the long-term planning of municipal budgets in addition to landfill storage capacities. This lead to the 2005 Canada-wide SWMF sediment chemistry study, which was conducted by Kelly Hooper Environmental through funding by the Ontario Ministry of Environment (MOE) and 22 Canadian municipalities. This ongoing study now includes over 100 SWMF, with 98% requiring non-hazardous waste management, usually due to elevated PHCs and PAHs. However, Francine’s PhD research supports that supports the conclusion that PHCs and PAHs in SWMF sediments typically originate from sources with low bioavailabilities, which offers low risk beneficial use options. Francine continues to collaborate with Canadian municipalities and regulatory agencies on the development of a new SWMF sediment beneficial use evaluation framework.

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