Company: CLH
Filing Date: 2025-10-29
Form Type: 10-Q
Source: 0000822818-25-000040
Chunk: 75

Company: CLEAN HARBORS INC
Filing Date: 2025-10-29
Form: 10-Q
Item: Part I, Item 1
Chunk 75
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 Act”)) were effective as of September 30, 2025 to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms and is accumulated and communicated to our management, including our Co-Chief Executive Officers and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

36

Changes in Internal Control over Financial Reporting

There were no changes in the Company’s internal control over financial reporting identified in connection with the evaluation required by paragraph (d) of Exchange Act Rules 13a-15 or 15d-15 that was conducted during the quarter ended September 30, 2025 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

37

CLEAN HARBORS, INC. AND SUBSIDIARIES

PART II—OTHER INFORMATION