Four situations where the usual performance conversation is the wrong tool, and where having it anyway creates a problem considerably larger than the one you started with.
Electrophoresis combines high voltage, accessible buffer tanks, and toxic chemicals. How to manage the unique hazards of DNA and protein separation safely.
Every laboratory has a fire hazard classification under NFPA 45, and it determines the quantities you may hold, the construction around you and the exits you need. Most staff have never been told which class they work in.
The governing standard says turn it off. What that means in practice, who is permitted to do what, and the laboratory-specific hazards that generic electrical safety guidance never covers.
The standard governing pipette calibration was rewritten in 2022 after twenty years. What changed, how a gravimetric check actually works, and how to set a calibration interval rather than accept a default.
An informational chapter that inspectors read anyway — what it covers, how it relates to the mandatory microbiology chapters, and the substantial revision now under comment.