| Ex. MET-DEN-046 | Rider face-covering requirement on buses, trains, stations and stopsFace coverings: the simple and important tool we can all use to protect one another (RTD, July 13, 2020) | RTD | Regional Transportation DistrictSector regulator | July 13, 2020 | 2020 Q32020 Q42021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-DEN-030 | Public Health Order 2021-04: adoption of the COVID-19 Dial as a local framework after the State dial's expirationBCPH Public Health Order 2021-04 (April 12, 2021) | Boulder County Public Health, under the direction of the Boulder County Board of Health | Boulder County, ColoradoCounty | Apr. 12, 2021 | 2021 Q22021 Q3 | Capacity limitGathering capEvents and venuesWorkplace rules | Primary source read | |
| Ex. MET-DEN-079 | Public Health Order Adopting the COVID-19 Dial (TCHD Dial Adoption Order)TCHD Public Health COVID-19 Dial Order (April 9, 2021) | Tri-County Health Department | Adams and Arapahoe Counties (TCHD; 'participating' counties)County | Apr. 9, 2021 | 2021 Q22021 Q3 | Capacity limitGathering capEvents and venuesWorkplace rules | Primary source read | |
| Ex. MET-DEN-096 | Public Health Order 21-001: Simplified COVID-19 DialJCPH Public Health Order 21-001 (April 13, 2021) | Executive Director, JCPH (Mark B. Johnson) | Jefferson County, ColoradoCounty | Apr. 13, 2021 | 2021 Q22021 Q3 | Capacity limitGathering capEvents and venuesWorkplace rules | Primary source read | |
| Ex. MET-DEN-106 | First Amended Public Health Order 21-001: Simplified COVID-19 DialFirst Amended JCPH Order 21-001 (April 20, 2021; posted April 22) | Executive Director, JCPH | Jefferson County, ColoradoCounty | Apr. 20, 2021 | 2021 Q22021 Q3 | Capacity limitGathering capEvents and venues | Primary source read | |
| Ex. MET-DEN-019 | Public Health Order adopting the Third Amended PHO 20-38 with modifications (face coverings for individuals three and older where required; indoor events over 2,000)DDPHE order of June 1, 2021 (adopting Third Amended PHO 20-38) | Executive Director, DDPHE | City and County of Denver, ColoradoCity | June 1, 2021 | 2021 Q22021 Q3 | Capacity limitFace-covering requirementEvents and venues | Primary source read | |
| Ex. MET-DEN-047 | Lifting of vehicle capacity limits with the June 13, 2021 service change; masks remain required under the federal mandateRTD lifts capacity limits on its vehicles as service changes take effect Sunday (RTD release, 06.10.2021; archived capture) | RTD | Regional Transportation DistrictSector regulator | June 10, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. MET-DEN-021 | Public Health Order adopting the Fourth Amended PHO 20-38DDPHE order of July 1, 2021 | Executive Director, DDPHE (Robert M. McDonald) | City and County of Denver, ColoradoCity | July 1, 2021 | 2021 Q3 | Capacity limitFace-covering requirementHealth care ordersWorkplace rules | Primary source read | |
| Ex. MET-DEN-034 | RTD release: Mask Mandate Still In EffectMask Mandate Still In Effect (RTD news release PDF, July 14, 2021) | RTD | Regional Transportation DistrictSector regulator | July 15, 2021 | 2021 Q3 | Face-covering requirementTravel and quarantine | Confirmed from a secondary source | |
| Ex. CO-053 | Fifth Amended Public Health Order 20-38Limited COVID-19 Restrictions | CDPHE, Executive Director Jill Hunsaker Ryan | ColoradoSector regulator | July 30, 2021 | 2021 Q3 | Capacity limitFace-covering requirementHealth care ordersWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. MET-DEN-022 | Public Health Order adopting the Fifth Amended PHO 20-38DDPHE order of August 2, 2021 (adoption of Fifth Amended PHO 20-38) | Executive Director, DDPHE (Robert M. McDonald) | City and County of Denver, ColoradoCity | Aug. 2, 2021 | 2021 Q3 | Capacity limitFace-covering requirementHealth care ordersWorkplace rules | Primary source read | |
| Ex. MET-DEN-103 | Second Amended Public Health Order 21-001: Simplified COVID-19 Dial (observation period extended to September 15, 2021)Second Amended JCPH Order 21-001 (August 13, 2021) | Executive Director, JCPH | Jefferson County, ColoradoCounty | Aug. 13, 2021 | 2021 Q3 | Capacity limitGathering capEvents and venues | Primary source read | |
| Ex. CO-091 | Sixth Amended Public Health Order 20-38Limited COVID-19 Restrictions | CDPHE, Executive Director Jill Hunsaker Ryan | ColoradoSector regulator | Aug. 31, 2021 | 2021 Q3 | Capacity limitFace-covering requirementSchools and child careHealth care ordersWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. MET-DEN-026 | Public Health Order adopting the Sixth Amended PHO 20-38DDPHE order of September 3, 2021 | Executive Director, DDPHE (Robert M. McDonald) | City and County of Denver, ColoradoCity | Sept. 3, 2021 | 2021 Q3 | Capacity limitFace-covering requirementHealth care ordersWorkplace rules | Primary source read | |