HSW Has A New Addition!

Please help us welcome Kevin Flavin, PE, CFM, as our newest Senior Engineer. Kevin brings both public and private sector water resource experience with expertise is hydrologic and hydraulic analysis, 2D and 3D numeric hydrodynamic modeling, and instrumentation of water quality and quantity parameters.

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Stormwater Management System Considerations for Risk Based Corrective Action Sites

HSW’s Steven Folsom presented at the 33rd Annual Environmental Permitting Summer School on Stormwater Management System Considerations for Risk Based Corrective Action Sites related to the FDEP’s recently released guidance regarding Considerations for Stormwater Features within Contaminated Sites. His presentation focused on maintaining a practical balance between conditional closures and future development of cleanup properties as well as neighboring ...

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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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HSW Highlights Key Points From EPA’s Newly Released PFAS Action Plan

On February 14, 2019, the U.S. Environmental Protection Agency (EPA) released its Per- and Polyfluoroalkyl Substances (PFAS) Action Plan. This historic PFAS Action Plan identifies immediate, short-term and long-term actions that EPA has pledged to take in response to extensive public interest and input that the agency has received over this group of contaminants. The Action Plan represents a proactive, cross-agency approach including a multi-media, multi-program plan to address this ever-emerging environmental challenge. EPA will develop a PFAS risk communication toolbox ...

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