Attached files
file | filename |
---|---|
EX-32.2 - EX-32.2 - Heritage-Crystal Clean, Inc. | hcciex3222020.htm |
EX-32.1 - EX-32.1 - Heritage-Crystal Clean, Inc. | hcciex3212020.htm |
EX-31.2 - EX-31.2 - Heritage-Crystal Clean, Inc. | hcciex3122020.htm |
EX-31.1 - EX-31.1 - Heritage-Crystal Clean, Inc. | hcciex3112020.htm |
EX-23.1 - EX-23.1 - Heritage-Crystal Clean, Inc. | hcciex231q42020consentofgr.htm |
EX-21.1 - EX-21.1 - Heritage-Crystal Clean, Inc. | a211subsidiarylisting2020.htm |
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