Company: CLH
Filing Date: 2025-02-19
Form Type: 10-K
Source: 0000822818-25-000007
Chunk: 200

Company: CLEAN HARBORS INC
Filing Date: 2025-02-19
Form: 10-K
Item: Item 1
Chunk 200
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 of Stockholders' Equity55Notes to Consolidated Financial Statements56(1) Operations56(2) Significant Accounting Policies56(3) Revenues64(4) Business Combinations68(5) Disposition of Business71(6) Inventories and Supplies72(7) Property, Plant and Equipment72(8) Goodwill and Other Intangible Assets73(9) Accrued Expenses and Other Current Liabilities74(10) Closure and Post-Closure Liabilities75(11) Remedial Liabilities76(12) Financing Arrangements78(13) Income Taxes81(14) Earnings Per Share81(15) Stockholders' Equity85(16) Accumulated Other Comprehensive Loss85(17) Stock-based Compensation86(18) Commitments and Contingencies87(19) Leases89(20) Segment Reporting90

48

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the stockholders and the Board of Directors of Clean Harbors, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Clean Harbors, Inc. and subsidiaries (the "Company") as of December 31, 2024 and 2023, the related consolidated statements of operations, comprehensive income, cash flows, and stockholders’ equity, for each of the three years in the period ended December 31, 2024, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2024, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control - Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 19, 2025, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements