Dangerous Goods by Road
when the mixture as a whole has been tested to determine its aquatic toxicity, this information
shall be used for classifying the mixture according to the criteria that have been agreed for
substances. the classification is normally based on the data for fish, crustacea and algae/plants
(see 2.2.9.1.10.2.3 and 2.2.9.1.10.2.4). when adequate acute or chronic data for the mixture as a
whole are lacking, "bridging principles" or "summation method" shall be applied (see
2.2.9.1.10.4.4 to 2.2.9.1.10.4.6).