Integral index of human organism's functional response to the influence of drinking water eco-toxicants from centralized and decentralized water sources in Khabarovsk krai
Combined influence of 45 environment pollutants for the human's IIFR is described in this article. It is strongly depends upon the high content (over MPC -«marginally permitted concentration») of some toxicants in water samples: oil products (CH), phenols (P), nitrates (NO<sup>3-</sup>), phosphorus (Ph), iron (Fe), barium (Ba), manganese (Mn). The majority of the toxicant are related to the 1, 2 and 3 danger classes and estimated as extremely dangerous, very dangerous and dangerous.