Ne smejo vsebovati toksičnih ali neustreznih sestavin, ki se naravno pojavljajo ali so dodane okolju, kakršne so naštete v Prilogi k Direktivi 79/923/EGS v količinah, za katere je izračunano, da vnos s hrano presega dovoljeni dnevni vnos (PDI), ali bi lahko škodile okusu mehkužca.
They must not contain toxic or objectionable compounds occurring naturally or added to the environment such as those listed in the Annex to Directive 79/923/EEC in such quantities that the calculated dietary intake exceeds the permissible daily intake (PDI), or that the taste of the molluscs may be impaired.