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We have issued our reports dated March 1, 2023, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of Heritage-Crystal Clean, Inc. on Form 10-K for the year ended December 31, 2022. We consent to the incorporation by reference of said reports in the Registration Statements of Heritage-Crystal Clean, Inc. on Forms S-3 (File No. 333-262605, File No. 333-193069 and File No. 333-179496) and on Forms S-8 (File No. 333-199335, File No. 333-184569, File No. 333-149791 and File No. 333-240019).