Cemical composition singularity of Jewish Autonomu region underground waters
In the paper it is investigated the quality of underwater hydrological structures in Jewish Autonomous region. It has been determined a concentration of macro and microelements, built the concentration series, and estimated the water chemical composition relative to the normative indicators. The over normative pollution index has been calculated. The author gives the formula of water according to M.G. Kurlov. It is shown that the Khingan intermountain artesian basin underwater is most appropriate for using it with a minimal water preparation.