PFAS Updates

Ziqi He, PhD, PE and Derek Huston, PE provided an update to our April 2017 article published in the FES Journal addressing a group of contaminants of emerging concern (CECs), per- and poly-fluoroalkyl substances (PFAS), specifically Perfluorooctanoic Acid (PFOA) and Perfluorooctyl Sulfonate (PFOS). This article provides an update on the scientific and regulatory actions taken over the last two years, focusing on site characterization and treatment.

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HSW Celebrates 30 Years of Business

HSW thanks its clients, vendors and employees for their loyalty and dedication over the past 30 years. We look back on those years with the fondest of memories and are eager to make an abundance of more in the next 30 years. While success is often measured in dollars, we feel it is best measured by the positive impact of the work we each do. Thank you for giving us the opportunity to ...

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