What should be done to restore a sanitized state after a shift if you suspect contamination?

• A. Re-clean and re-sanitize all high-touch surfaces; re-test surfaces if possible; document.
• B. Leave surfaces as they are until the next shift.
• C. Only wipe with a dry cloth.
• D. Sanitize once and stop.

Answer: (A)

Restoring a sanitized state after suspected contamination requires re-cleaning, re-sanitizing, verifying with testing if possible, and documenting the actions taken. Re-cleaning removes soil and residues that can shield microbes, so the sanitizer can work effectively. Then re-sanitize surfaces that are high-touch, following the product’s contact time and directions. If testing is available, re-testing confirms the surfaces have achieved the proper sanitized level. Finally, document what was done and the results to keep a clear, auditable record. Leaving surfaces as they are risks ongoing contamination, wiping with a dry cloth doesn’t reliably remove or kill microbes, and sanitizing once without rechecking can allow residual or recontaminated areas to persist.