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Pollution of the sea by domestic and industrial wastes has become a danger to nearcoastal waters, and is extending now also into the open sea. These facts are the result of a world-wide inquiry circulated by UN specialized agencies; 71% of the coastal states replying to the inquiry stated that they had to deal with marine pollution affecting the marine fauna and flora, human health, and seaside resorts; 40% of the states proposed intergovernmental cooperation (an international convention) as a means of regulating and controlling the disposal of wastes. The present paper considers whether a classification of industrial wastes can be set up and serve as basis for negotiations. This classification should permit a clear decision whether or not a given substance may be disposed of in the sea. A classification based on the kind of the harmful effects and on certain groups of substances, which is presently being discussed on an international level, is considered insufficient for practical purposes. The same applies to a classification based on substance groups and sea areas, without distinguishing satisfactorily between the latter, and failing to allow for specific hydrographic conditions. The importance of the hydrography of different sea areas is exemplified, and a classification set up which renounces the use of substance groups but introduces a variety of criteria for assessing and arranging the individual substances in a more differentiated scheme of sea areas.

Attempt of a classification of industrial wastes with regard to a possible dumping at sea