Hygienic requirements to arrangement, maintenance, organization of operation mode at orphan asylums and boarding-schools for orphaned children and kids remained without custody of parents
Maximum allowable concentrations (MAC) and approximate permissible exposure limits (PEL) of chemical substances in the water of water objects of utility and drinking and cultural and general water use. Amendment No.1 to GN 2.1.5.689-98 and GN 2.1.5.690-98