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prEN 17728 Organic soil improvers Methods for the determination
of pH, electrical conductivity, organic carbon content and
organic nitrogen content
CEN/TC 223 2026-04-23
prEN 18299 Soil improvers and growing media Methods
for the detection Salmonella spp. and the enumeration
of Escherichia coli and enterococci
CEN/TC 223 2026-04-16
prEN 17731 Growing media Methods for the determination
of the electrical conductivity, pH, dry matter, quantity, total
copper and zinc content, water soluble chloride content, and
CaCl2/DTPA extractable nitrogen, P2O5 and K2O content
CEN/TC 223 2026-04-23
prEN 17730 Soil improvers and growing media Methods for the
determination PAH16, macroscopic impurities above
2 mm, the temperature-time profiles, oxygen uptake rate,
self-heating factor and residual biogas potential compost
and digestate when used fertilizing products
CEN/TC 223 2026-04-23
prEN 18330 Cybersecurity requirements for smartcards similar
devices, including secure elements Application layer
CEN/TC 224 2026-04-09
prEN 13036-4 Road and airfield surface characteristics Test methods -
Part Method for measurement slip/skid resistance
of surface: The pendulum test
CEN/TC 227 2026-04-16
prEN 15450 Heating systems buildings Design heat pump heating
systems
CEN/TC 228 2026-04-23
prEN 16039 Water quality Guidance standard assessing
the hydromorphological features lakes
CEN/TC 230 2026-04-23
prEN 14236 Ultrasonic domestic gas meters CEN/TC 237 2026-04-23
prEN 1908 Safety requirements cableway installations designed
to carry persons Tensioning devices
CEN/TC 242 2026-04-09
prEN 14065 Textiles Laundry processed textiles Biocontamination
control system
CEN/TC 248 2026-04-23
prEN ISO 11238 Health informatics Identification medicinal products -
Data elements and structures for the unique identification
and exchange regulated information substances
(ISO/DIS 11238:2026)
CEN/TC 251 2026-04-17
prEN 17833 Railway applications Simulation Credibility CEN/TC 256 2026-04-09
EN 15839:2024/prA1 Railway applications Testing and simulation for the
acceptance running characteristics railway vehicles -
Running safety under longitudinal compressive force
CEN/TC 256 2026-04-09
prEN 12944-1 Fertilizers, liming materials and inhibitors Vocabulary -
Part General terms
CEN/TC 260 2026-04-16
prEN 12944-2 Fertilizers, liming materials and inhibitors Vocabulary -
Part Terms relating fertilizers
CEN/TC 260 2026-04-16
prEN 17752 Inorganic fertilizers Determination specific inhibiting
compounds
CEN/TC 260 2026-04-09
prEN 18292 Inorganic fertilizers Determination the dry matter
content
CEN/TC 260 2026-04-09
prEN 17767 Organo-mineral fertilizers Extraction phosphorus
by formic acid
CEN/TC 260 2026-04-09
prEN 17770 Organic and organo-mineral fertilizers Determination
of the total content specific elements ICP-AES after
digestion aqua regia
CEN/TC 260 2026-04-16
prEN 17765 Organic and organo-mineral fertilizers Determination
of biuret content high-performance liquid
chromatography (HPLC)
CEN/TC 260 2026-04-09
prEN 17768 Organic and organo-mineral fertilizers Digestion aqua
regia for subsequent determination elements
CEN/TC 260 2026-04-09
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