Published Thu, Feb 10th, 2022 Please find attached updated versions of the HSA COVID Checklists. There are checklists for: Cleaning and Disinfection Lead Worker Representative (LWR) Return to Office Ventilation Suspected Cases File: HSA Checklist - Cleaning and Disinfection HSA Checklist - Lead Worker Representative (LWR) HSA Checklist - Return to Office HSA Checklist - Suspected Case HSA Checklist - Ventilation