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Stephen MacDonald
Stephen MacDonald

Vice President/Senior Environmental Engineer Earth Sciences
Fishbeck

Steve MacDonald obtained a BS degree in Environmental Engineering from Michigan Technological University in 1988 and has worked in the environmental industry his entire 32-year career. He started his career working for an environmental construction firm performing design and construction services on multimillion-dollar environmental remediation projects. Steve has worked for Fishbeck over 20 years where he has provided engineering services, project management, and quality control review. Currently, Steve is the Earth Sciences Department Director at Fishbeck.


POSTER PRESENTATION

PFAS: Obtaining State Approval for Drinking Water Treatment Technology Servicing a Sensitive Population

In 2018, the State of Michigan identified two water supply systems that exceeded the USEPA Lifetime Health Advisory for PFOA and PFOS (70 ng/L). One of these two sites was an elementary school. In 2019, school administrators retained Fishbeck to design a treatment system to provide PFAS-free water for the students. Fishbeck determined that a single use ion exchange (IX) media would be the most cost-effective treatment technology. However, the State recognized only reverse osmosis and granulated activated carbon as appropriate treatment technologies for treatment of PFAS in drinking water. After discussing the issue with EGLE, they agreed to consider IX if enough data could be provided to support IX as a safe and effective alternative to activated carbon. Fishbeck will review the process of obtaining approval from the State of IX in support of the client’s desire to provide the best treatment technology for the school children.


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