Nature protection. Lands. Requirements for determination of the fertile soil layer standard disposal while performing earth-moving

Standard published on 1.7.1986

Nature protection. Recultivation of land. Method of determining pH water extraction of overburden and enclosing rocks

Standard published on 1.7.1985

Nature protection. Recultivation of lands. Method of measurement and sum calculation of toxie salts in overburden and enclossing rocks

Standard published on 1.7.1985

Nature protection. Flora. Protection and rational utilization of forests of suburban green belts. General requirements

Standard published on 1.1.1979

Nature protection. Landscaps. Classification

Standard published on 1.7.1989

Ferrosilicozirconium. Methods for determination of zirconium

Standard published on 1.1.1988

Ferrosilicozirconium. Methods for determination of phosphorus

Standard published on 1.1.1988

Ferrosilicozirconium. Method for determination of silicon

Standard published on 1.1.1988

Ferrosilicozirconium. Methods for determination of copper

Standard published on 1.1.1988

Ferrosilicozirconium. Method for determination of aluminium

Standard published on 1.1.1988