The March 2023 UW Biosafety Manual is now online


An updated March 2023 version of the UW Biosafety Manual is now available online. The changes made to the manual were limited to administrative updates, including updating web hyperlinks and minor grammar or language changes. Note: The recent administrative updates are not recorded on the log of changes. Please refer to the log of changes for content changes made in 2021.

All laboratories or facilities using biohazards must have an electronic link or paper copy of the current manual available to all personnel working in the lab or facility.

If you have any questions about the UW Biosafety Manual or research involving biohazards, please contact an EH&S biosafety officer at or 206-221-7770.