Overfladeaktive stoffer i vaske- og rengøringsmidler anses for at være bionedbrydelige, hvis den målte bionedbrydelighed (mineralisering) efter en af følgende test [1] er mindst 60 % inden for 28 dage:
Surfactants in detergents shall be considered as biodegradable if the level of biodegradability (mineralisation) measured according to one of the following tests [1] is at least 60 % within 28 days: