Clean Harbors’ PFAS Incineration Study Demonstrates Successful Destruction of "Forever Chemicals" that Surpasses Latest EPA Standards

Yahoo!Finance | September 18, 2025

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"Clean Harbors, Inc. (NYSE: CLH) ("Clean Harbors" or the "Company"), the leading provider of environmental and industrial services throughout North America, today announced the successful results of its latest PFAS study, which affirms that its commercial high-temperature, RCRA-permitted incineration facilities can reliably and safely destroy multiple forms of PFAS (per- and poly-fluorinated alkyl substances), the "forever chemicals" that pose significant human health risks. For the full results from the study click here.

The testing protocols were an extension of the initial tests the Company conducted in 2021 and 2022 using U.S. Environmental Protection Agency (EPA) standards. The latest study was specifically designed to demonstrate that Clean Harbors’ high-temperature combustion process – ranging from 2,000-2,200 degrees Fahrenheit – could achieve destruction of PFAS compounds while testing for the EPA’s stringent new OTM-50 and 0010 (pre-cursor to OTM-55) emission standards, which were not part of the earlier testing. No other company or destruction technology has met both EPA standards."