I denne forbindelse gerne pludseligt udsættes for kemiske agenser eller udgør temperaturen eller det tryk, som agenserne energi, der frembringes af disse.
!฀ RISK฀ ASSESSMENT฀ THEREFORE฀ INVOLVES฀ TWO฀ V AfiR I A B L ES฀ THE฀HARM฀ AND฀ THE฀ LIKELIHOOD฀ THAT฀ THIS฀ WILL฀ BE฀ AT T A IN ED฀ 4HE฀INTRINSIC฀HAZARD฀POSED฀BY฀THE฀AGENT฀AND฀ALSO฀THE฀ CONDITIONS฀OF฀ ITS฀ USE฀ AND฀ H AND L ING฀ INCLUDING฀ THE฀ EXISTING฀ PREVENTION฀AND฀ PROTECTION฀ MEASURES ฀ MUST฀ THEREFORE฀ BE฀ DETERMINED