View ECCC Data Mart (English) (English, HTML)

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Publisher-reported update

2019-02-21

Concentrations of Polycyclic Aromatic Hydrocarbons and Total Petroleum Hydrocarbons in Tailings Pond Water in the Oil Sands Region – September 2013 To evaluate evaporation from tailings ponds as a potential source of emissions of pollutants to air, bulk water samples were collected from 8 locations in two ponds at a single facility in the oil sands region over two days in September 2013. Chemical measurements of polycyclic aromatic hydrocarbons (PAHs) and total petroleum hydrocarbons (TPH) were made. PAH data are reported for the sixteen species identified as priority pollutants by the US EPA. TPH refers to the total amount of hydrocarbon compounds. In this dataset, TPH values represent the amount of saturate and aromatic hydrocarbons measured in the tailings pond water samples as determined using specific analytical techniques (fractionation and gas chromatography). PAHs are included on the List of Toxic Substances of the Canadian Environmental Protection Act (CEPA) and are subject to management under the Act. Results suggest that PAH emissions to the atmosphere from tailings pond water are significant when compared to other reported sources in the region, as reported in the…

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