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CEN/TC 154/SC 3
Bituminous bound aggregates
CEN/TC 154/SC 4
Hydraulic bound and unbound aggregates
CEN/TC 227/WG 4
Hydraulic bound and unbound mixtures (including byproducts and waste materials)
DIN VDE 0119-207-4
State of the railway vehicles - Control and instrumentation technology - Part 207-4: Train controls (wire-bound)
DIN 14677-1
Maintenance of electrically controlled hold-open systems for fire and smoke door assemblies as well as for electrically controlled hold-open systems for fire barriers in the course of ground-bound conveying systems - Part 1: Maintenance measures
DIN 14677-2
Maintenance of electrically controlled hold-open systems for fire and smoke door assemblies as well as for electrically controlled hold-open systems for fire barriers in the course of ground-bound conveying systems - Part 2: Minimum qualification and proof of competence of maintenance personnel
ISO/FDIS 18127
Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement
prEN ISO 18127
Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement (ISO/DIS 18127:2024)
prEN ISO 23697-2
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)
prEN ISO 23697-1
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023)
