WSP North American Qualifications

WSP NORTH AMERICAN QUALIFICATIONS

Technical Innovations to Support Dow

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Decoding PFAS, Delivering Results Discovering new efficient ways to resolve the environmental challenges of our era is exactly where WSP thrives. Our team of professionals have been addressing Per- and Polyfluoroalkyl Substances (PFAS) impacts since the days when this class of contaminants was still unknown to many. Today, we continue to lead the way with practical, innovative approaches and ground breaking technologies to help clients overcome the challenges posed by PFAS.

Sustainable Remediation using Biopiles and Rhizodegradation Technology ----------------------------------------- LOCATION Québec, Canada ----------------------------------------------------------------------- CLIENT Dow-Petromont ----------------------------------------------------------------------- — Biopiling remediation work was carried out at a former petrochemical complex on 74 hectares. — A polishing treatment using rhizodegradation was added and used after biopiling to treat a recalcitrant chlorinated compound. — 190,000 m3 of soils were treated using biopiles, while 35,000 m3 of soils were treated using additional step of rhizodegradation. The property was sold in 2022 for commercial/ industrial redevelopment. ----------------------------------------------------------------------------------------------------------------------------------------------------------------- PROJECT HIGHLIGHTS

Permitting of Net Zero Carbon Emissions Ethylene and Derivatives Expansion Facilities ----------------------------------------- LOCATION Fort Saskatchewan, AB, Canada ----------------------------------------------------------------------- CLIENT Dow Chemical Canada ULC ----------------------------------------------------------------------- — The Fort Saskatchewan Path 2 Zero expansion project will create the world’s first net-zero carbon emissions integrated ethylene cracker and derivatives site with respect to scope 1 and 2 carbon dioxide emissions. — WSP completed the Alberta Environment “Approval Amendment Application” in November 2022, and continue to provide permitting support to Dow with respect to the Path 2 Zero Project. ----------------------------------------------------------------------------------------------------------------------------------------------------------------- PROJECT HIGHLIGHTS

PFAS Management, Investigation, and Treatment | WSP

Groundwater Plume Analytics® Our suite of Groundwater Plume Analytics® tools take datasets and process them into meaningful and easy-to-understand graphical data outputs. These outputs provide clients with a better understanding of their groundwater problems and liabilities, and provide justification for money-saving optimizations with buy-in from the regulators. WSP has performed plume analytics work for 13 different Dow sites.

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Groundwater Plume Analytics | WSP

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Global Services ————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————- —————

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EARTH AND ENVIRONMENT

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