Canadian Ecotoxicity Workshop, (CEW) 2017 is being held at the Delta Hotel in Guelph, Ontario on October 1 – 4, 2017. CEW is Canada’s preeminent annual meeting in the field of ecological toxicology and related disciplines. Jeff Roberts of SiREM will present “Using Passive Sampling as a Decision Making Tool” which focuses on the use of the SP3 sampler for sediment pore water characterization. Phil Dennis of SiREM will present “Bioremediation Approaches and Tools for Benzene Remediation under Anaerobic Conditions” which focuses on research collaboration between SiREM and researchers at the University of Toronto to develop and test bioaugmentation cultures for BTEX compounds.