Soil quality - Principles of the determination of the water content by Time Domain Reflectometry (TDR) and Time Domain Transmissometry (TDT)
Document status: Active
Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
Document status: Active
Investigation of solids - Pre-treatment, preparation and processing of samples for chemical, biological and physical investigations
Document status: Active
Draft Document - Soil quality - Requirements for corrosion protection measures on electricity pylons to protect the soil from pollutant inputs
Document status: Active
Draft Document - Hydropower plants - Planning, execution and operation
Document status: [ Withdrawn ]
Hydroelectric power plants; rules for planning and operation
Document status: [ Withdrawn ]
Cast iron special castings for asbestos cement pressure pipelines; spigot ends
Document status: Active
Cast iron special castings for asbestos cement pressure pipelines; flanged spigots
Document status: Active
Cast iron special castings for asbestos cement pressure pipelines; tapers
Document status: Active
