---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-24-000032"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2024-07-31T23:59:59+00:00"
generated_at: "2026-05-31T14:41:22.419687+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.78
calibrated_materiality_score: 0.78
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors Q2 revenue $1.55B (+11% YoY), EPS $2.46, raises FY2024 Adj. EBITDA guidance

## Summary
- Revenue $1.55B (+11% YoY), net income $133.3M (+15%), diluted EPS $2.46 vs $2.13.
- Adjusted EBITDA $327.8M (+14%), margin 21.1% up 50 bps; full-year guidance raised to $1.125-$1.165B.
- Environmental Services segment revenue +12%, incineration utilization 88% (up from 84%), Field Services +64% boosted by HEPACO.
- SKSS segment revenue +8% YoY, waste oil collections record 67M gallons (+5%).
- Q3 Adj. EBITDA expected to grow 20-24% YoY; full-year adjusted free cash flow $350-$390M.

## SEC filing metadata
- accession: 0000822818-24-000032
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2024-07-31T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.78
- calibrated_materiality_score: 0.78
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281824000032/0000822818-24-000032-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281824000032/clh-20240731.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-24-000032
- JSON: https://secwatch.observer/filing/0000822818-24-000032.json
- Plain text: https://secwatch.observer/filing/0000822818-24-000032.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.