Summary of HERITAGE-CRYSTAL CLEAN, INC.

Item 4.01 Changes in Registrant's Certifying Accountant.

(a) On October 24, 2008, the Audit Committee of the Board of Directors (the "Audit Committee") of Heritage-Crystal Clean, Inc. (the "Company") approved the dismissal of KPMG LLP ("KPMG") as the Company's independent registered public accounting firm. KPMG was notified of its dismissal on October 24, 2008.

During the years ended December 30, 2006 and December 29, 2007, and the subsequent interim period through October 24, 2008, (i) there were no disagreements with KPMG on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or procedure which, if not resolved to KPMG's satisfaction, would have caused them to make reference to the subject matter of the disagreement in connection with their opinion; and (ii) there were no reportable events.

The audit reports of KPMG on the financial statements of the Company as of and for the years ended December 30, 2006 and December 29, 2007 did not contain any adverse opinion or disclaimer of opinion, nor were they qualified or modified as to uncertainty, audit scope, or accounting principles.

A letter from KPMG is attached as Exhibit 16.1 to this Form 8-K.

(b) On October 24, 2008, the Audit Committee appointed Grant Thornton LLP ("Grant Thornton") to serve as the Company's independent registered public accounting firm for the fiscal year ending January 3, 2009. Grant Thornton accepted the appointment on October 24, 2008. During the years ended December 30, 2006 and December 29, 2007, including the subsequent interim period through October 24, 2008, neither the Company nor anyone on its behalf has consulted with Grant Thornton with respect to the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered on the Company's financial statements, or any matter that was either the subject of a disagreement, as that term is defined in Item 304(a)(1)(iv) of Regulation S-K and the related instructions to that Item, or a reportable event, as that term is defined in Item 304(a)(1)(v) of Regulation S-K.