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
Procedure of consideration of engineering and technical measures of civil defense and measures for prevention of emergencies for drawing up of the petition about intentions of investment in construction and feasibility studies for construction of enterprises, buildings and structures