{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-22-000023","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2022-05-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:03.843682+00:00","generated_at":"2026-06-26T01:02:43.417373+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Clean Harbors Q1 revenue $1.17B (+45% YoY), raises 2022 adjusted EBITDA guidance to $800-830M","bullets":["Q1 revenue $1.17B (+45% YoY); net income $45.3M ($0.83 EPS); adjusted EBITDA $180.3M (+39%, margin 15.4%).","Environmental Services revenue +45% with incinerator utilization 85%, landfill volumes +14%.","Safety-Kleen Sustainability Solutions revenue +44%, adjusted EBITDA +64%, collected 53M gal waste oil (+13%).","Raises 2022 adjusted EBITDA guidance to $800-830M (midpoint +$35M); free cash flow guidance $250-290M.","Q2 2022 adjusted EBITDA expected to increase 25-30% YoY."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-22-000023","json":"https://secwatch.observer/filing/0000822818-22-000023.json","markdown":"https://secwatch.observer/filing/0000822818-22-000023.md","text":"https://secwatch.observer/filing/0000822818-22-000023.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281822000023/0000822818-22-000023-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281822000023/clh-20220504.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T01:02:43.417373+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}