View details about the CEW 2026 Program.
Submit a late-breaking poster abstract until September 19th:
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Learn about the team who is making CEW 2026 possible!
Welcome to Saskatoon for CEW 2026
October 4th to 7th, 2026
Visit this page for hotels, attractions, and more!
Formerly known as the Aquatic Toxicity Workshop (ATW), CEW is Canada’s predominant annual meeting in the field of ecological toxicology and related disciplines.
The Aquatic Toxicity Workshop (ATW) became a registered Canadian corporation in 1984, and is administered by a Board of Directors. Learn more about your CEW membership, and the documents that govern CEW.
Learn about and apply for CEW's many awards and travel grants.
View proceedings from a previous year:
View the program books that we have available from previous workshops.