Forms of Migration of Elements in Natural and Drinking Waters in Village Krasnoshchelye (Lovozero District, the Kola Peninsula) and Human Health Risk Assessment

The chemical composition of surface and ground waters of the village Krasnoshchelye (Murmansk region, the Kola Peninsula) have been studied in this work. The quality of surface and ground waters of the village Krasnoshchelye is characterized taking into account the MPC and biologically significant concentration, the forms of migration of elements in the system "solution - crystalline substance" in natural waters and the human body (using the stomach as an example) have been considered. The results of the studies of drinking water in the village Krasnoshchelye indicate that the macro- (Ca, Mg, Na, K) and microelement (Co, Cu, Mn, Ni, V, Zn, Cr) composition have lower concentrations from the standpoint of biological significance for the elemental balance of a person than the recommended level of the lower limit of the BSC, except for the elements U, Th, Y. Their concentration is several times higher than their LLBSC. The forms of migration of elements and newly formed phases depend on both the acidity of the stomach and the amount of gastric juice in the human body, in the "water - gastric juice" system. These are individual characteristics of a person and his age. Well waters can contain up to 50 μg/l of REE, and changes in their migration patterns can lead to accumulation in the human body and cause diseases of the nervous system and other organs.