CLEAPSS GL123 “Fume Cupboard Buying Guide”
Excellent guide from CLEAPSS to assist (in particular) schools and colleges in the selection process for Fume Cupboards.
Simple straight-forward information sheet.
Interestingly advises minimum face velocity to be 0.3 m/s but then goes on to state “ideally 0.4 to 0.45 m/s”