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CLEAN HARBORS INC

For the period ended Dec 31, 2023. Filed Feb 21, 2024.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2023 · Filed Feb 21, 2024

CLH$287.60+1.2%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Table Of Contents

CLEAN HARBORS, INC.

ANNUAL REPORT ON FORM 10-K

YEAR ENDED DECEMBER 31, 2023

TABLE OF CONTENTS

PageNo
Part I
Item 1.Business1
Item 1A.Risk Factors17
Item 1B.Unresolved Staff Comments25
Item 1C.Cybersecurity25
Item 2.Properties26
Item 3.Legal Proceedings27
Item 4.Mine Safety Disclosures27
Part II
Item 5.Market for the Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities28
Item 6.Reserved29
Item 7.Management's Discussion and Analysis of Financial Condition and Results of Operations30
Item 7A.Quantitative and Qualitative Disclosures About Market Risk46
Item 8.Financial Statements and Supplementary Data48
Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure91
Item 9A.Controls and Procedures91
Item 9B.Other Information93
Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections93
Part III
Item 10.Directors, Executive Officers and Corporate Governance93
Item 11.Executive Compensation93
Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters93
Item 13.Certain Relationships and Related Transactions, and Director Independence93
Item 14.Principal Accountant Fees and Services93
Part IV
Item 15.Exhibits and Financial Statement Schedules94
SIGNATURES95

Disclosure Regarding Forward-Looking Statements

In addition to historical information, this Annual Report on Form 10-K contains forward-looking statements, which are generally identifiable by use of the words "believes," "expects," "intends," "anticipates," "plans to," "seeks," "should," "estimates," "projects," "may," "likely" or similar expressions. Such statements may include, but are not limited to, statements about future financial and operating results, the Company's plans, objectives, expectations and intentions and other statements that are not historical facts. Forward-looking statements are neither historical facts nor assurances of future performance. Such statements are based upon the beliefs and expectations of Clean Harbors' management as of this date only and are subject to certain risks and uncertainties identified in this report under Item 1A, "Risk Factors," and Item 7, "Management's Discussion and Analysis on Financial Condition and Results of Operations." Readers are cautioned not to place undue reliance on these forward-looking statements, which reflect management's opinions only as of the date hereof. Our actual results and financial condition may differ materially from those indicated in the forward-looking statements. We undertake no obligation to revise or publicly release the results of any revision to these forward-looking statements. Readers should also carefully review the risk factors described in the other documents which we file from time to time with the Securities and Exchange Commission ("SEC"), including Clean Harbors' quarterly reports on Form 10-Q to be filed during 2024.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.