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Campus Status

Please make sure you read the NIST Visitor and Contractor Protocols for Mitigating COVID-19 Exposure on NIST Campuses page and complete the Screening Questionnaire before arriving on site.


NIST Gaithersburg

The NIST Gaithersburg campus is currently open for access to federal employees, associates and sponsored visitors.

Gates A, C and F are open for entry and Gate A may be used to exit campus. (Visitors must enter through Gate A to get badged initially.)

Effective May 16, 2022, the CDC local COVID-19 community level is MEDIUM. The following COVID prevention measures are in effect: 

  1. Anyone coming onto campus must meet the criteria in the Personal Daily COVID-19 Screening Questionnaire each day that they will be on campus.
  2. Those who have COVID-like symptoms, tested positive for COVID, or have been in close contact with someone who has COVID must inform their supervisor to obtain instructions for isolation or quarantine, as applicable.
  3. Masks are recommended but optional, except when specifically required for those who are recovering from COVID, have tested positive for COVID, or have had known close contact with someone who has COVID. 
  4. The CDC recommends that those not up to date on vaccinations practice social distancing, especially those at higher risk of getting very sick with COVID-19. 
  5. All staff and visitors, regardless of vaccination status, should practice proper hygiene, including hand washing and disinfecting touched surfaces.
  6. COVID testing requirements for entry to NIST campuses apply to those who do not attest to being fully vaccinated and those who do not wish to disclose their vaccination status.  

Community levels are evaluated weekly. When community levels changes, this site will be updated to indicate the level and associated prevention measures.

Anyone coming onto campus must meet the criteria in the Personal Daily COVID-19 Screening Questionnaire each day that they will be on campus.

Requests for visitor or contractor access to campus must be pre-approved. Approved visitors and contractors must read the NIST Visitor and Contractor Protocols for Mitigating COVID-19 Exposure on NIST Campuses. Reminders of required COVID prevention practices are posted around the campus.


NIST Boulder

The NIST Boulder campus is currently open for access to federal employees, associates and sponsored visitors.

Effective May 27, 2022, the CDC local COVID-19 community level is HIGH. The following COVID prevention measures are in effect: 

  1. Anyone coming onto campus must meet the criteria in the Personal Daily COVID-19 Screening Questionnaire each day that they will be on campus.
  2. Those who have COVID-like symptoms, tested positive for COVID, or have been in close contact with someone who has COVID must inform their supervisor to obtain instructions for isolation or quarantine, as applicable.
  3. Masks are required when indoors in common areas, in shared spaces when others are present, and when unable to maintain social distancing outdoors. 
  4. Social distancing is required to the maximum extent practical.
  5. Everyone must practice proper hygiene, including hand washing, and disinfecting commonly touched surfaces, as necessary.
  6. COVID testing requirements for entry to NIST campuses apply to those who do not attest to being fully vaccinated and those who do not wish to disclose their vaccination status. 

Community levels are evaluated weekly. When community levels changes, this site will be updated to indicate the level and associated prevention measures.

Anyone coming onto campus must meet the criteria in the Personal Daily COVID-19 Screening Questionnaire each day that they will be on campus.

Requests for visitor or contractor access to campus must be pre-approved. Approved visitors and contractors must read the NIST Visitor and Contractor Protocols for Mitigating COVID-19 Exposure on NIST Campuses. Reminders of required COVID prevention practices are posted around the campus.


Learn more about the various site status notifications that NIST uses during inclement weather.

Created March 18, 2019, Updated May 27, 2022