Clean Harbors, Inc. released a new set of disposal and treatment guidance standards for per‑ and poly‑fluoroalkyl substances (PFAS) on April 1 2026. The guidance provides a framework for companies and communities to assess and manage PFAS contamination, outlining recommended disposal and treatment options such as high‑temperature incineration, engineered landfill containment, and water treatment systems.
The guidance is grounded in a PFAS incineration study conducted in partnership with the U.S. Environmental Protection Agency and the Department of Defense. The study, completed in late 2024, produced results in September 2025 and demonstrated that Clean Harbors’ high‑temperature incinerators can destroy PFAS at commercial scale. By incorporating these validated findings, the guidance offers a cost‑effective roadmap for addressing PFAS site contamination and eliminating existing inventories of PFAS‑related products such as AFFF firefighting foam.
Clean Harbors’ PFAS remediation services generated $100‑$120 million in revenue and are growing 20‑25 % annually. The Environmental Services segment, which includes PFAS work, reported 6 % revenue growth in Q4 2025 and an adjusted EBITDA margin of 25.8 %. In 2025 the company posted record revenue of $6.03 billion and adjusted EBITDA of $1.17 billion, up 5 % from 2024. The new guidance is expected to reinforce Clean Harbors’ competitive advantage in a sector projected to expand as EPA and federal mandates tighten.
The company’s competitive edge is reinforced by its RCRA‑permitted high‑temperature incinerators, validated by the EPA study, and its “Total PFAS Solution,” which covers analysis, water filtration, remediation, and disposal. By providing a comprehensive framework that aligns with regulatory requirements, Clean Harbors differentiates itself from competitors that offer more limited or fragmented services.
Regulatory context is a key driver of demand. The EPA has identified granular activated carbon, anion exchange, reverse osmosis, and nanofiltration as best‑available technologies for meeting PFAS maximum contaminant levels in drinking water. In September 2025 the EPA issued interim guidance on the destruction and disposal of PFAS, outlining thermal destruction, landfills, and underground injection. Clean Harbors’ guidance aligns with these mandates, helping clients navigate tightening regulations.
Management emphasized the strategic importance of the new framework. Eric Gerstenberg, Co‑Chief Executive Officer, said, “We have developed our framework as a potential cost‑effective roadmap to assist companies and communities looking to address PFAS site contamination, as well as eliminate existing inventories of PFAS‑related products such as AFFF firefighting foam.” Mike Battles, Co‑Chief Executive Officer, added, “PFAS should not be viewed as a one‑size‑fits‑all issue, but rather as a concentration‑based framework that matches the waste with the right treatment or disposal pathway.”
The guidance is expected to strengthen Clean Harbors’ regulatory moat and support future growth in a market that is projected to expand from $1.02 billion in 2025 to $2.96 billion by 2034. By positioning itself as a thought leader and comprehensive solution provider, Clean Harbors aims to capture increased demand for its PFAS remediation services.
In summary, Clean Harbors’ release of new PFAS disposal and treatment guidance standards on April 1 2026 marks a significant operational milestone that enhances the company’s competitive positioning, aligns with evolving regulatory requirements, and supports continued growth in a high‑growth market.
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