The test concentration is chosen according to the manufacturer’s recommendation.
The minimum contact time to be tested is 60 minutes. However, the manufacturer can test a shorter contact time, including 5, 15, and 30 minutes.
If EN 14348 is used to demonstrate mycobactericidal and/or tuberculocidal activity for hygienic handrub and handwash, surface disinfectant, or textile disinfectant, the contact times shall be chosen according to EN 13727 and EN 13624.