F.L. Kapustin, V.M. Ufimsev, Ural State Technical University–UPI named after the first President of the Russian Federation, B.N. Eltsin, Yekaterinburg, Russian Federation

 The basic standards regulating the demands to composition and properties of fly ash, slag and ash-and-slag mixtures from solid fuel burning at heat power plants and to use in manufacturing of construction materials and building of highways are observed. It is offered to deposit to introduce clarity into standards concerning slags composition extended trends and raising efficiency of their application in building industry.