[Hygienic and ecological criteria of hazards in the protection of aqueous biota].

Man is not always sensitive to toxic agents than the representative of the aqueous biota. Almost in every fifth case, human sensitivity to water pollutants is higher and that to a number of compounds is more than 100 times greater. Therefore, there cannot be unified environmental and hygienic standards and fishery and sanitary MAC of water agents should be taken apart to provide a reliable safety of human water consumption.