Biosafety Level 4 Laboratory Tour
Interior Security
Once past outside security, BSL-4 lab workers must pass an interior security station.
![Image of Security Door](https://webarchive.library.unt.edu/eot2008/20081011191843im_/http://www3.niaid.nih.gov/NR/rdonlyres/19CCC478-BE9F-4518-986E-28AE74964D4D/0/authorizedonly.jpg) Interior Security |
Measures Here Typically Include Combinations of the Following:
- Extensive background checks prior to employment for everyone who works in the building
- Guards who check everyone's identification and credentials
- Special identification cards that are scanned to provide an electronic record of who goes in and out and when
- Identification devices such as retinal or fingerprint scanners
back to top