

AskHACCP: Listeria Harborage Sites: Why the Same Positive Keeps Coming Back
One of the most frustrating situations a processor can face is receiving the same Listeria finding again and again. The area was cleaned. The equipment was sanitized. Follow-up samples were collected. Yet the positive result returns. When this happens, the issue is often not the sanitation chemical, the sanitation crew, or the testing program. The issue may be a harborage site. Continuing the Conversation In this series, we have moved step by step through Listeria control. Ph















