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Article citations


Jones, R. (2007) Dioxins and Furans in Soil from the Pringle Creek Flood Plain Whitby—2006. Report No. Phyto- S3029-2006B. Air Monitoring and Reporting Section, Environmental Monitoring and Reporting Branch, Ontario Ministry of Environment.

has been cited by the following article:

  • TITLE: Monitoring Re-Suspension and Transport of Dioxin Contaminated Sediment to Evaluate the Recovery of a Shallow Urban Creek Post Sediment Remediation

    AUTHORS: Lisa Richman, Liad Haimovici, Terry Kolic, Sladjana Besevic, Eric Reiner

    KEYWORDS: Dioxins, Furans, Sediment, Remediation, Contamination

    JOURNAL NAME: Journal of Environmental Protection, Vol.7 No.3, February 29, 2016

    ABSTRACT: Pringle Creek, identified as the source of dioxin/furan (PCDD/F) contamination to a Lake Ontario harbour was remediated in 2008. Surface sediment collected in 2013 near the floodplain remediation was no longer contaminated (∑17PCDD\Fs ∑17PCDD\Fs 2900 pg/g dw). Nevertheless, sediment ∑17PCDD/F concentrations were lower in 2013 than pre-remediation suggesting that cleaner sediment was being deposited in the creek. Core data confirmed the decrease in sediment contamination through time since the most contaminated sediment was buried. Prior to the development of a remediation strategy for the harbour, the transport of bed-load and suspended sediment contaminated with PCDD/F was assessed. The challenge was the shallow water depth (0.6 m) throughout the creek thereby requiring non-standard sediment traps designed for this study. Suspended sediment collected in traps in 2014 showed residual contamination at the remediated site (∑17PCDD\Fs: 380 pg/g dw; TEQ (TEF fish) ∑17PCDD\Fs concentration for suspended sediment at the creek mouth was 2200 pg/g (SD 260 pg/g dw) indicating PCDD/F contributions to the harbour. However, congener patterns in bottom sediment and suspended sediment near the remediated site and extending about 100 m downstream were similar to background upstream patterns consistent with atmospheric deposition as the source rather than the historical source which indicated that floodplain remedial actions were successful.