List of drafts

prEN ISO 22032 Public enquiry

Comment end date 2025-06-17

Water quality - Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended (particulate) matter and biota - Method using gas chromatography-tandem mass spectrometry or high resolution mass spectrometry (GC-MS/MS; HRMS) (ISO/DIS 22032:2025)

This document specifies a method for the determination of selected polybrominated diphenylethers (PBDE) (see Figure 1 and Table 1) in sediment, suspended particulate matter and biota using gas chromatography/ mass spectrometry (GC-MS/MS or GC-HRMS) in the electron impact (EI), negative ion chemical ionization (NCI) or atmospheric pressure ionization (APCI) mode. Figure 1 — General structure of polybrominated diphenyl ethers The method is applicable to sediment and suspended particulate matter samples with limits of quantification of 0,2 μg/kg dry weight (dw) for BDE-28 to BDE-183, of 2 μg/kg dry weight (dw) for BDE‑209. The method is applicable as well with lower limits of quantification (LOQ), if specific clean-up methods, described in Clause 10, Table 3, method 1 and method 2 in combination with measurement methods GC-MS/ MS or GC-HRMS after electron impact ionization (El) or negative ion chemical ionization (NCI) for BDE-209 are used. Depending on the analytical capability of the instrument limits of quantification down to 0,003 μg/ kg dw for BDE-28 to BDE-154 and 0,02 μg/kg dw for BDE-183 and 1 μg/kg dw for BDE-209 and lower are possible. The method is applicable to biota samples with limits of quantification down to 0,000 2 μg/kg fresh weight (fw) (BDE-28 to BDE-154) and 0,03 μg/kg fresh weight (fw) (BDE-183), if specific clean-up methods, described in Table 4 in combination with measurement methods GC-MS/MS or GC-HRMS after electron impact ionization (El) are used.

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prEN 16150 Public enquiry

Comment end date 2025-06-24

Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams

This document gives guidance on procedures for the pro-rata multi-habitat sampling of benthic macroinvertebrates in rivers and streams. The term “pro-rata” reflects the intention to sample all the main riverine habitats present at a monitoring site according to the proportion of the site that it covers. It is an objective way to divide sampling effort among the different habitats. This guidance is applicable to all flowing waters, both artificial, modified and natural. This design enables comparable samples to be collected from any type of river, regardless of the habitats present. The pro-rata multi-habitat sampling is an overall approach rather than a specific method. This document is designed to: — support environmental and conservation agencies to meet the monitoring requirements of the WFD (Article 8, Annex II, and Annex V); — generate data sets appropriate for monitoring and reporting of sites designated under the Habitats Directive and the Birds Directive ensure that samples for comparing the overall composition of invertebrates from different stream types are comparable; — ensure samples for environmental quality assessments across different stream types are comparable even when sampled by different people; and — support river management and restoration initiatives. The pro-rata multi-habitat sample (MHS) provides: — a consistent way of sampling sites that is not dependent on the presence of particular types of habitat; and — guidance on a user-friendly strategy for collecting biological data depending on the distribution of substrate type. It is also ideal for: — understanding the distribution of biological community types across different physical river types; and — quality assessments based on deviation from reference, as adopted in the European Water Framework Directive.

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prEN 13348-1 Public enquiry

Comment end date 2025-07-29

Chimneys - Thermal and fluid dynamic calculation methods - Part 1: Chimneys serving one combustion appliance

This European Standard specifies methods for the calculation of the thermal and fluid dynamic characteristics of chimneys serving one heating appliance. The methods in this part of this European Standard are applicable to negative or positive pressure chimneys with wet or dry operating conditions. It is valid for chimneys with heating appliances for fuels subject to the knowledge of the flue gas characteristics which are needed for the calculation. The methods in this part of this European Standard are applicable to chimneys with one inlet connected with one appliance. The methods in Part 2 of this European Standard are applicable to chimneys with multiple inlets and one inlet with multiple appliances. Part 3 describes methods for the development of diagrams and tables for chimneys serving one heating appliance.

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prEN 1918-4 Public enquiry

Comment end date 2025-08-05

Gas infrastructure - Underground gas storage - Part 4: Functional recommendations for storage in rock caverns

This document covers the functional recommendations for design, construction, testing, commissioning, operation, maintenance and abandonment of underground gas storage (UGS) facilities in mined rock caverns up to and including the wellhead. This document specifies practices which are safe and environmentally acceptable. For necessary surface facilities for underground gas storage, EN 1918 5 applies. In this context, “gas” refers to flammable gas: — which is in a gaseous state at a temperature of 15 °C and under a pressure of 0,1 MPa (the stored product is also named fluid); — which meets specific quality requirements in order to maintain underground storage integrity, performance, environmental compatibility and fulfils contractual requirements. This comprises: — gas not in liquid phase under subsurface conditions; — methane-rich gases; — natural gas; — biomethane; — synthetic methane; — hydrogen of various purities; — any mixtures of the gases above; — hydrocarbon gas in liquid phase under subsurface conditions such as; — ethylene; — liquified petroleum gas (LPG). NOTE 1 Correspondingly the EN 1918 series can be considered where applicable for underground storage of any other fluid e.g. helium, carbon dioxide, compressed air, rDME (renewable dimethyl ether) and hydrogen transport fluids (such as ammonia and LOHC). Gases that are liquid in subsurface conditions are not considered in this document. This document is not intended to be applied retrospectively to existing facilities. NOTE 2 Correspondingly this document can be considered for major conversions in case of significant change of gas composition.

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prEN 16647-2 Public enquiry

Comment end date 2025-06-24

Alcohol powered flueless fireplaces - Safety requirements and test methods - Part 2: Automatically operated decorative fireplaces for domestic use

This document applies to decorative, automatically controlled fireplaces for domestic use, producing a flame using liquid alcohol, hereafter referred to as fuel, for decoration. NOTE 1 The requirements outlined in this document can be applied even outside domestic settings. In that case additional or different rules on the use of the fireplaces may apply. This document applies to decorative fireplaces that do not require manual user interaction during normal operation. These fireplaces include electric or electronic components that control the basic operation (incl. automatic filling system). NOTE 2 These components control the safe operation and avoid hazards such as: - Fuel spillage while filling - Overfilling - Fuel explosion while igniting - Accidental ignition while refilling - Overheating - Unsuccessful extinguishing The document applies only to fireplaces for use in indoor areas. This document applies to free-standing, wall-mounted and built-in fireplaces. This document applies to fireplaces ready for use, whose burner is an integral component of the fireplace. This document does not apply to fireplaces specifically designed for heating food or keeping food warm (rechauds), as well as to fireplaces for use in boats, caravans, other. This document does not apply to fireplaces with declared heating function. This document does not apply to fireplaces, that are connected to a flue. NOTE 3 Because of the safety component of automatically operated fireplaces this scope is not limited to a specific heat output or fuel consumption. National legislation, however, might restrict the heat output.

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prEN IEC 62321-3-1:2025 Public enquiry

Comment end date 2025-07-04

Determination of certain substances in electrotechnical products - Part 3-1: Screening - Lead, mercury, cadmium, total chromium total bromine, total phosphorus, total chlorine, total tin and total antimony content by X-ray fluorescence spectrometry

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prEN 17074 Public enquiry

Comment end date 2025-07-29

Sustainability of construction works - Environmental product declarations - Product Category Rules for flat glass and channel shaped glass products

This document provides complementary product category rules (c-PCR) for Type III environmental product declarations (EPD) for flat glass and channel shaped glass products for use in buildings and construction works. It describes stages of product’s life cycle considered in the EPD and the processes included in life cycle stages.

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prEN IEC 63287-4:2025 Public enquiry

Comment end date 2025-08-06

Semiconductor devices - Guidelines for reliability qualification plans - Part 4: Early failure assessment

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prEN 513 Public enquiry

Comment end date 2025-06-24

Plastics - Poly(vinyl chloride) (PVC) based profiles - Determination of the resistance to artificial weathering

This document specifies a method for exposing specimens made from poly(vinyl chloride) (PVC) based profiles to xenon-arc radiation, in order to assess changes in characteristics. It is applicable to PVC based profiles including those covered with foil, paint, thermo-laminated foils or coextruded. NOTE The determination of changes in colour and variations of properties after exposure of PVC based profiles to xenon-arc radiation is described in an informative Annex A.

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prEN IEC 60704-2-19:2025 Public enquiry

Comment end date 2025-07-09

Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-19: Particular requirements for air cleaners

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EN ISO 16571:2024/prA1 Public enquiry

Comment end date 2025-08-05

Systems for evacuation of plume generated by medical devices - Amendment 1 (ISO 16571:2024/DAM 1:2025)

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prEN IEC 61290-1-2:2025 Public enquiry

Comment end date 2025-08-06

Optical amplifiers - Test methods - Part 1-2: Power and gain parameters - Electrical spectrum analyzer method

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prEN ISO 4029 Public enquiry

Comment end date 2025-06-29

Fasteners - Hexagon socket set screws with cup point (ISO/DIS 4029:2025)

ISO 4029:2003 specifies the characteristics of hexagon socket set screws with cup point and threads from M1,6 up to and including M24 and of product grade A.

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prEN ISO 16890-1 Public enquiry

Comment end date 2025-07-08

Air filters for general ventilation - Part 1: Technical specifications, requirements and classification system based upon particulate matter efficiency (ePM) (ISO/DIS 16890-1:2025)

ISO 16890-1:2016 establishes an efficiency classification system of air filters for general ventilation based upon particulate matter (PM). It also provides an overview of the test procedures, and specifies general requirements for assessing and marking the filters, as well as for documenting the test results. It is intended for use in conjunction with ISO 16890‑2, ISO 16890‑3 and ISO 16890‑4. The test method described in this part of ISO 16890 is applicable for air flow rates between 0,25 m3/s (900 m3/h, 530 ft3/min) and 1,5 m3/s (5 400 m3/h, 3 178 ft3/min), referring to a test rig with a nominal face area of 610 mm × 610 mm (24 inch × 24 inch). ISO 16890 (all parts) refers to particulate air filter elements for general ventilation having an ePM1 efficiency less than or equal to 99 % when tested according to the procedures defined within ISO 16890‑1, ISO 16890‑2, ISO 16890‑3 and ISO 16890‑4. Air filter elements with a higher initial efficiency are evaluated by other applicable test methods (see ISO 29463-1, ISO 29463-2, ISO 29463-3, ISO 29463-4 and ISO 29463-5). Filter elements used in portable room-air cleaners are excluded from the scope of this part of ISO 16890. The performance results obtained in accordance with ISO 16890 (all parts) cannot by themselves be quantitatively applied to predict performance in service with regard to efficiency and lifetime. Other factors influencing performance to be taken into account are described in Annex A.

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FprEN IEC 62841-2-16:2024/prA1:2025 Public enquiry

Comment end date 2025-08-06

Amendment 1 - Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 2-16: Particular requirements for hand-held fastener driving tools

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prEN ISO 14505-3 Public enquiry

Comment end date 2025-08-05

Ergonomics of the thermal environment - Evaluation of thermal environments in vehicles - Part 3: Evaluation of thermal comfort using human subjects (ISO/DIS 14505-3:2025)

ISO 14505-3:2006 gives guidelines and specifies a standard test method for the assessment, using human subjects, of thermal comfort in vehicles. It is not restricted to any particular vehicle but provides the general principles that allow assessment and evaluation. The method can be used to determine a measure of the performance of a vehicle for conditions of interest, in terms of whether it provides thermal comfort to people or not. This can be used in vehicle development and evaluation. ISO 14505-3:2006 is applicable to all types of vehicles, including cars, buses, trucks, off-road vehicles, trains, aircraft, ships, submarines, and to the cabins of cranes and similar spaces. It applies where people are enclosed in a vehicle and when they are exposed to outside conditions. For those exposed to outside conditions, such as riders of bicycles or motorcycles, drivers of open sports cars and operators of fork lift trucks without cabins, vehicle speed and weather conditions can dominate responses. The principles of assessment, however, will still apply. ISO 14505-3:2006 applies to both passengers and operators of vehicles where its application does not interfere with the safe operation of the vehicle.

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prEN 16589-2 Public enquiry

Comment end date 2025-07-01

Laboratory local exhaust devices - Articulated extraction arms - Part 2: Commissioning and on-site testing

This document applies to test methods designed to be used at the place of installation of the AEA, usually a laboratory and for various laboratory applications that require local extraction. They are used for commissioning after installation, for maintenance and for qualification purposes. For certain customer requirements additional or modified test methods can be necessary. This document includes product functional performance referring to product standard detailed in EN 16589-1. Occupational health and safety assessments methods are not included in this document. This document does not consider performance requirements for the extract air system associated with the AEA installation and therefore extract system performance is not part of the scope. This document does not confirm or establish a capture zone of an AEA capture device only the functional extract capacity and mechanical functions of the AEA.

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prEN IEC 81346-14:2025 Public enquiry

Comment end date 2025-07-02

Industrial systems, installations and equipment and industrial products - Structuring principles and reference designation - Part 14: Manufacturing and processing systems

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prEN IEC 60794-1-118:2025 Public enquiry

Comment end date 2025-07-30

Optical fibre cables - Part 1-118: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Bending under tension, Method E18

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prEN ISO 6980-2 Public enquiry

Comment end date 2025-08-05

Nuclear energy - Reference beta-particle radiation - Part 2: Calibration fundamentals related to basic quantities characterizing the radiation field (ISO 6980-2:2023)

This document specifies methods for the measurement of the absorbed-dose rate in a tissue-equivalent slab phantom in the ISO 6980 reference beta-particle radiation fields. The energy range of the beta-particle-emitting isotopes covered by these reference radiations is 0,22 MeV to 3,6 MeV maximum beta energy corresponding to 0,07 MeV to 1,2 MeV mean beta energy. Radiation energies outside this range are beyond the scope of this document. While measurements in a reference geometry (depth of 0,07 mm or 3 mm at perpendicular incidence in a tissue‑equivalent slab phantom) with an extrapolation chamber used as primary standard are dealt with in detail, the use of other measurement systems and measurements in other geometries are also described, although in less detail. However, as noted in ICRU 56, the ambient dose equivalent, H*(10), used for area monitoring, and the personal dose equivalent, Hp(10), as used for individual monitoring, of strongly penetrating radiation, are not appropriate quantities for any beta radiation, even that which penetrates 10 mm of tissue (Emax > 2 MeV). This document is intended for those organizations wishing to establish primary dosimetry capabilities for beta particles and serves as a guide to the performance of dosimetry with an extrapolation chamber used as primary standard for beta‑particle dosimetry in other fields. Guidance is also provided on the statement of measurement uncertainties.

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prEN ISO/ASTM 52969 Public enquiry

Comment end date 2025-06-24

Additive manufacturing of metals - Non-destructive testing and evaluation - Classification of imperfections in DED parts (ISO/ASTM DIS 52969:2025)

This document specifies the classification imperfections likely to be generated during an additive manufacturing process by DED for metallic parts. This document also indicates the most probable causes of the formation of imperfections and includes illustrations. Acceptance criteria for imperfections are not included in this document.

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prEN 3475-701 Public enquiry

Comment end date 2025-07-08

Aerospace series - Cables, electrical, aircraft use - Test methods - Part 701: Strippability and adherence of insulation to the conductor

This document specifies methods of measuring the strippability and adherence of the insulation to a conductor of a finished cable. When a particular method is not specified in the detail product specification, method A is the default test method. Method B is suitable for wires insulated with materials showing a low adhesion to the conductor due to the poor repeatability of the test method A with this type of wires. It is intended to be used together with EN 3475 100.

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prEN 50562-2:2025 Public enquiry

Comment end date 2025-08-05

Fixed installations for railway applications - Safety of electric traction power supply systems - Part 2: Generic approach for non-conventional applications, functions and properties

This document defines the process, protective measures and demonstration of safety in accordance with prEN 50126-1:2017 and prEN 50126-2:2017 for AC and DC electric traction power supply systems for railways. This document can also be applied to urban rail and trolleybus systems. All these systems can be elevated, at-grade and underground. This document has two parts: This document supports the implementation of non-conventional applications, functions and properties in electric traction power supply systems that remain after the application of prEN 50562 1:2025. NOTE EN 50562 1 establishes the code of practice for conventional applications, functions and properties in electric traction power supply systems. This document applies to electric traction power supply systems, which are new or are undergoing major changes as defined in the legal framework. For similar technology and similar hazardous scenarios, the safety considerations can be used as a guideline. This document does not apply to: — underground mine traction systems, — cranes, transportable platforms and similar transportation equipment on rails, temporary structures (e.g. exhibition structures) in so far as these are not supplied directly or via transformers from the contact line system and are not endangered by the traction power supply system, — suspended cable cars, — funicular railways, — magnetic levitated systems, This document does not consider aspects like IT-security or protection against other malevolent acts etc. It is assumed that those aspects are handled on the overall system level. NOTE For railways IT-security is covered in CLC/TS 50701. Because of the short life cycles of IT-security applications it is advisable to separate IT-security functions from safety functions at least on virtual levels. E.g. the frequent patch processes for updating the IT-security applications is expected to be independent from Safety applications.

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prEN ISO 8743 Public enquiry

Comment end date 2025-06-29

Grooved pins - Half-length centre grooved (ISO/DIS 8743:2025)

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prEN ISO 20815 Public enquiry

Comment end date 2025-07-27

Oil and gas industries including lower carbon energy - Production assurance and reliability management (ISO/DIS 20815:2025)

This document describes the concept of production assurance within the systems and operations associated with exploration drilling, exploitation, processing and transport of petroleum, petrochemical and natural gas resources. This document covers upstream (including subsea), midstream and downstream facilities, petrochemical and associated activities. It focuses on production assurance of oil and gas production, processing and associated activities and covers the analysis of reliability and maintenance of the components. This includes a variety of business categories and associated systems/equipment in the oil and gas value chain. Production assurance addresses not only hydrocarbon production, but also associated activities such as drilling, pipeline installation and subsea intervention. This document provides processes and activities, requirements and guidelines for systematic management, effective planning, execution and use of production assurance and reliability technology. This is to achieve cost-effective solutions over the life cycle of an asset development project structured around the following main elements: — production assurance management for optimum economy of the facility through all of its life cycle phases, while also considering constraints arising from health, safety, environment, and quality; — planning, execution and implementation of reliability technology; — application of reliability and maintenance data; — reliability-based technology development, design and operational improvement. The IEC 60300-3 series addresses equipment reliability and maintenance performance in general. This document designates 12 processes, of which seven are defined as core production assurance processes and addressed in this document. The remaining five processes are denoted as interacting processes and are outside the scope of this document. The interaction of the core production assurance processes with these interacting processes, however, is within the scope of this document as the information flow to and from these latter processes is required to ensure that production assurance requirements can be fulfilled. The only requirement mandated by this document is the establishment and execution of the production assurance programme (PAP). It is important to reflect the PAP in the overall project management in the project for which it applies. This document recommends that the listed processes and activities be initiated only if they can be considered to add value.

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