News Releases Keyword Search Year None2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005 Date Title May 27, 2026 Clean Harbors to Participate in Upcoming Investor Conferences May 20, 2026 Clean Harbors Announces Retirement of Founder and Executive Chairman Alan S. McKim May 14, 2026 Clean Harbors Announces Acquisition of Terra Nova Solutions May 6, 2026 Clean Harbors Announces First-Quarter 2026 Financial Results April 23, 2026 Clean Harbors to Participate in 21st Annual Oppenheimer Industrial Growth Conference on May 7 April 15, 2026 Clean Harbors to Announce First-Quarter 2026 Financial Results on May 6 April 1, 2026 Clean Harbors Formally Releases PFAS Disposal and Treatment Guidance Standards to Assist Customers and Communities with Decision Making February 19, 2026 Clean Harbors to Participate in Raymond James Investor Conference on March 3 February 18, 2026 Clean Harbors Announces Fourth-Quarter and Full-Year 2025 Financial Results January 28, 2026 Clean Harbors to Announce Fourth-Quarter and Full-Year 2025 Financial Results on February 18 January 6, 2026 Clean Harbors to Participate in Upcoming Investor Conferences
