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ENHANCED REDUCTIVE DECHLORINATION OF CHLORINATED SOLVENTS AT THE FORMER GLOUCESTER LANDFILL AND A BRIEF HISTORY OF SITE ACTIVITIES
Livingstone, S., C. Durrant, L. Warner, and C. Truax.
2018 RPIC Federal Contaminated Sites National Workshop, 13-15 June, Toronto, ON. 31 slides, 2018

From 1969-1980, the Special Waste Compound (SWC) portion of the former Gloucester Landfill municipal waste site was used by various Canadian federal government agencies for the disposal of wastes, mainly oils and cleaning solvents. A groundwater pilot study was commissioned at the SWC in 2016 to assess the feasibility of enhanced in situ bioremediation of chlorinated VOCs. Pilot results established proof of concept that enhanced reductive dechlorination (ERD) was occurring in the test area based upon the presence of reducing conditions in the target aquifer, a flourishing population of Dehalococcoides mccartyi, and destruction of VOCs. Results also supported full-scale ERD design calculations of the amounts of molasses substrate required and the anticipated radius of influence (5.5 m downgradient and 4 m cross-gradient). Implementation of the full-scale design began in January 2018.
Slides: http://rpic-ibic.ca/images/2018_FCSW_/Presentations/5_-_169_-_Livingstone_EN_V2.pdf
Longer abstract [see the 3rd abstract from the bottom of the page]: http://rpic-ibic.ca/en/events/federal-contaminated-sites-fcs-national-workshop/2018-fcs-national-workshop/oral-abstracts-2018fcsnw-2/stream5-2018fcsnw-9#Enhanced



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