Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 2: PKI method (ISO 17507-2:2025)

Standard published on 1.7.2026

Components for BAC control loops - Valve and actuator assemblies - Part 1: Water-based HVAC applications

Standard published on 1.7.2026

Gas infrastructure - Gas measuring systems - Functional requirements

Standard published on 1.7.2026

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation under diffuse sound field conditions

Standard published on 1.7.2026

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum

Standard published on 1.7.2026

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - Intrinsic sound diffraction

Standard published on 1.7.2026

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions

Standard published on 1.7.2026

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditions

Standard published on 1.7.2026

Animal health diagnostic analyses - Control of in vitro diagnostic reagents - Part 1: Application file for the initial and the batch-to-batch control

Standard published on 1.7.2026

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 18127:2026)

Standard published on 1.7.2026