Oregon Occupational Safety and Health Division (Oregon OSHA), Department of Consumer and Business Services, Oregon OSHA COVID-19 Workplace Advisory Memo (6.27b): Business/Employer Enforcement of the Oregon Health Authority 'Statewide Mask, Face Shield, Face Covering Guidance' (issued June 27, 2020; revised June 30, 2020) (Ex. DUT-OR-011)
