Need for Separate Marine and Freshwater Standards

There are 2 primary issues to consider regarding the need for separate marine and freshwater standards  

1) The possibility that there may be differential exposure effects caused by salinity 

2) The possibility that some marine organisms show a different sensitivity to contaminants from freshwater organisms 

Environmental and Human Health Standards for Water and Soil 

Examples of organic and inorganic substances for which toxicity is different in freshwater and marine water organisms 

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