 ELGIN, Ill.--BUSINESS WIRE--Heritage-Crystal Clean, Inc. Nasdaq:HCCI plans to release its financial results for the fourth quarter of 2021 and for the full fiscal year, which ended January 1, 2022, after the market close on Wednesday, March 2, 2022. The company will host a conference call on Thursday, March 3, 2022 at 9:30 AM Central Time, during which management will give a presentation focusing on the Companys operations and financial results. Interested parties can listen to the audio w 