p. 227 - 233 LE DYNAMIQUES DES DETERGENTS ANIONIQUES DANS LES EAUX DU DANUBE A L'EMBOUCHURE ET DANS LA ZONE MARINE PREDELTAIQUE (1976-1978) Octavian Serbanescu, Radu Mihnea, E. Cuingioglu, I. Bilal, V. Piescu, Ioan Pecheanu, N. Brand Institute Roumain de Recherches Marines Constanta Abstract Data on the anionic detergents dynamic at the Danube mouth and in the predeltaic marine area are presented. The waters samples were collected from both area, in the springs, summer and in the autumn seasons, for each season more samples were taken, from surface horizont. Yearly average and highest values are correlated with the Danube flow.