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Human Health and Ecological Risk Assessment, Summerland, BC

Steer Environmental, in cooperation with Columbia Environmental Consulting, conducted a human health and ecological risk assessment of metals, PAHs, and petroleum hydrocarbons in surface soil on a federally owned portion of the former Kettle Valley Railway corridor which is currently used as a public recreational pathway. The objective of the assessment was to determine if soil contamination presented an unacceptable risk to human health or the environment to inform remedial planning.

The human health assessment evaluated contaminant exposures by recreational users and utility workers. Risks to recreational users of the site were found to be negligible with no need for remediation or active risk controls. Health and safety planning was recommended for utility workers to mitigate potential risks associated with inhalation exposures to contaminant vapours within utility trenches.

The ecological assessment evaluated contaminant exposures by soil invertebrates, plants, mammals, birds, and reptiles, including a number of listed species. Risks for ecological receptors were determined to be low with no need for remediation or active risk controls.