CEN - European Committee for Standardization

This document specifies requirements, test and assessment methods, marking, labelling and packaging applicable to overfill prevention devices with closure device. The devices are usually composed by:
-   sensor;
-   evaluation device;
-   closure device.
Overfill prevention devices intended to be used in/with underground and/or above ground, non-pressurized, static tanks designed for liquid fuels.
NOTE   Liquid fuel means liquids for internal combustion engines, heating/cooling boilers and generators.

This document specifies the required characteristics of a coaxial cable, 50 Ω, type WD, for use in aircraft electrical systems at operating temperature between -55 °C and 200 °C and specially for high frequency up to 6 GHz. Nevertheless, if needed, −65 °C is also acceptable as shown by thermal stability test.

This document specifies the required characteristics and tests applicable to female electrical contacts 005, type A, crimp, class T, used in elements of connection according to EN 3155-002.
It is used together with EN 3155-001.
The associated male contacts are specified in EN 3155-004.
The contacts specified by this document are applicable for connector classes specified in EN 2997 series.
This document specifies two contact types (F and H) depending on connector class.

This document specifies design criteria for closed water-based cooling systems in buildings and the design of such systems is described. The definitions are aimed at achieving an appropriate level of technical quality and maintaining the desired thermal indoor climate with minimum energy consumption.
This document does not apply to systems for dissipating process heat from industrial processes. It also does not apply to and does not amend product standards or product installation requirements.
This document is applicable to cooling systems of the following type (see also Figure 1):
1)   devices for the water-based heat rejection of the chilling system;
2)   devices for chilling and storage of chilled water;
3)   devices for the distribution of chilled water;
4)   devices for the absorption of heat ("cooling emission");
5)   control devices;
6)   safety devices.
Figure 1 - Schematic example of a water-based cooling system
This document does not cover additional safety aspects for water-based cooling systems with local operating temperatures ≤ 0 °C. The other clauses of this document are still valid for systems with local operating temperatures ≤ 0 °C.
This document also does not cover the chilling system itself, but only the parts of the chilling system which are an integral part of the cooling system, including determination of the design performance. Furthermore, this document does not cover:
-   the requirements for installation or instructions for operation, maintenance and use;
-   the design of the system components (e.g. recooler, chilling system, coolers, pipes, safety devices etc.).

This document provides information and general guidance on the selection and use of the methods of exposure to solar radiation described in detail in subsequent parts of the ISO 877 series. These methods of exposure to solar radiation are applicable to plastics materials of all kinds as well as to products and portions of products.
It also specifies methods for determining radiant exposure.
It does not include direct weathering using black-box test fixtures, which simulate higher end-use temperatures in some applications.
NOTE            ASTM G7 and ASTM D4141 describe black-box exposure tests.

This document specifies the characteristics of UV laser printable coaxial cables, 50 Ω, type WZ, for use in aircraft electrical systems at operating temperatures between −65 °C and 200 °C and specially for high frequency up to 6 GHz.
The document encloses also a reinforced cable version (code R) which is used for sensitive systems with controlled VSWR.

This document specifies the requirements related to dimensional, mechanical, optical and thermal characteristics of thermoplastic films used for covering permanent or temporary greenhouses and walking tunnels and low tunnels used for forcing and semi-forcing vegetable, fruit and flower crops.
This document is applicable to agricultural tunnel films as well as lay-flat perforated cover films.
This document specifies a classification for the durability of covering films and the test methods referred to in this document.
This document also specifies test methods for the determination of the chlorine and sulfur contents of films subjected to use.
This document is applicable to thermoplastic covering films used in agriculture and horticulture in Europe, in the thickness range 20 µm up to more than 250 µm, based on polyethylene and/or ethylene copolymers materials, of the following types: non-thermal films, thermal clear films and thermal diffusing films.
This document also gives guidance for installation, use and disposal of covering films. It specifies the conventional expected lifetime, as well as rules that allow evaluating the remaining use potential in the event of a failure before the normal end-of-use date.
NOTE   These rules allow estimating the residual value of the films. These provisions only apply to the film itself and the damage it has undergone. Any other problem falls within the scope of professional practices and the general terms and conditions of sale.

This document provides requirements to identify visible imperfections and defines three preparation grades for welds, edges and surfaces of steel to assist in achieving efficient corrosion protection. Such imperfections can be visible before or can become visible after an abrasive blast cleaning process.
NOTE       Although this document has been developed specifically for preparation of steel, the defined preparation grades will generally be appropriate for use when preparing other metal surfaces e.g. aluminium, castings, if agreed.

This choreographies document describes the exchange of information in the Fulfilment phase between seller and buyer where the seller wants to announce delivery of the ordered goods or services. The purpose of the fulfilment it is to monitor the executions of the contract. This process is the process between the ordering process and the billing process. The billing process can start when fulfilment has been initiated. The business value for this is:
—   To prepare the buyers organization for the physical delivery;
—   To enabling an automatic check of delivery for the buying organization before paying the received invoice;
—   To match the ordered products with the physical deliveries, such as serial numbers, lot identifiers and other information that might not be present at the time the goods were ordered;
—   The assist in getting an accurate calculation of the environmental footprint of the goods by including the emission during the transport;
—   To feed data into the logistic process, so no retyping is needed during the transport of the goods.
The identifier of this set of choreographies is EN 17017-1:2025
How to claim conformance to a choreography variant defined in this document is described in 4.2.3.

This document defines a system for the classification of recycled plastics based on the available data depth (Data Quality Levels, DQL) and provides guidelines for the labelling of the recyclate type and recycled content in compounds.
It is intended to support parties involved in the use and trading of recycled plastics, explicitly including digital trading platforms.

This document specifies the required characteristics of coaxial cables, 50 Ω, type WN, for use in aircraft electrical systems at operating temperatures between −55 °C and 200 °C and specially for high frequency up to 6 GHz.
The document encloses also a reinforced cable version (code R) which is used for sensitive systems with controlled VSWR.

This document:
—     specifies a reference land administration domain model (LADM) covering basic information-related components of spatial plan information on land/water and elements below/on/above the surface of the Earth with 2D/3D/4D (3D + time) geometric representation;
—     provides an abstract, conceptual model with packages related to:
—    plan unit, i.e. the smallest homogenous area/space (2D/3D/4D) with assigned function/purpose, e.g. office, education, retail;
—    plan block, i.e. a set of neighbouring plan units decided on by planning authorities, e.g. high-density residential area, nature area, heavy industry area;
—    plan group unit, i.e. areas corresponding to the higher planning levels;
—    plan group, i.e. hierarchy in spatial plans consisting of multiple plan blocks, e.g.:
—     continent/regional-wide (e.g. European regions),
—     country-wide (e.g. Indonesia, the Netherlands),
—     island,
—     state or region province,
—     municipality or city, and
—     urban or rural;
—    permit, i.e. something that is granted to a party which gives the party permission to undertake an activity which would otherwise be restricted;
—     defines terminology for spatial plan information as part of land administration, based on various national and international systems, that is as simple as possible in order to be useful in practice. The terminology allows a shared description of different formal or informal practices and procedures in various jurisdictions;
—     provides a platform for comparison and monitoring of spatial planning information based on Sustainable Development Goal (SDG) indicators;
—     provides an approach to modelling the integration of spatial plan information (outputs of spatial plans) into land administration;
—     provides a basis for national and regional profiles;
—     enables the combining of land-use planning and land development planning in land administration information from different sources in a coherent manner;
—     allows for the relationship to multiple parties and groups to be expressed together with a referencing structure so that the sourcing of all information systems can be maintained. It reuses core LADM classes so that sourcing of all information systems can be maintained;
—     establishes the common elements and basic schema for spatial plan information upon which a more detailed schema can be established.
NOTE            This document does not interfere with (national) and sub-national spatial planning laws.

This document specifies a method which covers the determination of Gd2O3 content in UO2 fuel pellets, by X-ray fluorescence spectrometry.
Either wave dispersion X-ray fluorescence (WD-XRF) or energy dispersion X-ray fluorescence (ED-XRF) is applicable, however, this document states a method by using WD-XRF using Gd Lα-line.
This method has been tested for mass fractions of from 2 % to 10 % Gd2O3.

This document specifies the requirements related to dimensional, mechanical, optical and thermal characteristics of thermoplastic films for mulching applications in agriculture and horticulture.
These mulch films are intended to be removed after use and not incorporated in the soil.
These mulch films are not intended to be used for soil disinfection by fumigation. Films for soil disinfection are in the scope of EN 17098-1 [1] and EN 17098-2 [2].
The biodegradable mulch films intended to be incorporated in the soil after used are also not in the scope of this document. They are in the scope of EN 17033 [3].
This document specifies a classification for durability of mulching films and the test methods referred to in this document.
This document is applicable to thermoplastic mulch films, used for agriculture and horticulture in Europe, based on polyethylene and/or ethylene copolymers, of the following types:
-   transparent films;
-   black films;
-   reflective films (e.g. white films, black/white films and black/silver films);
-   films of other colour(s) for weed control (e.g. green, brown).
This document defines the criteria for design for recycling of mulch films and refer to EN 18109 for the product lifecycle, including installation, use, removal and collection for end of life for management of the product after its usage.
NOTE   Mulch films can be highly soiled by organic and mineral residues at the end of their use life: the observed rates (or levels) of soilage of mulch films can vary from 70 % to 90 %, therefore the film thickness is a key factor on the rate of soilage, the thinnest films (e.g. less than 20 micron) will be the mostly soiled, difficult, expensive to remove, recover and recycle.

This document specifies the characteristics of post installation flexible self-wrapping fire protection sleeves for electrical cable and cable bundles, providing 360° fire protection to electrical harnesses. The sleeve assembly gives fire resistance protection to the internal electrical harness against fire for five minutes and ensures that the electrical characteristics of cables will not be degraded.

This document specifies the integrated management of agricultural plastic products with agronomic performance.
This document gives guidance and requirements for their installation, use, removal, sorting, collection and preparation for recycling as well as general guidelines for design for recycling.
NOTE 1   EN 13206:2025, EN 13207:2025, EN 13655:2025, EN 14932:2025 and EN 17098-1:2025 include a specific clause dedicated to design for recycling.
NOTE 2   Design for recycling for products not covered by a standard is detailed in this document.
This document first aims professional users and can be used also for domestic purposes.
This document is applicable to:
-   covering films that comply with EN 13206:2025 or with specifications laid out by the film manufacturer/supplier, used for covering greenhouses, small tunnels or livestock buildings, as well as to direct crop covers used for semi-forcing plants and seed;
-   silage films for horizontal silos that comply with EN 13207:2025 or with specifications laid out by the film manufacturer/supplier;
-   sheaths for horizontal silos (forage crop and grain storage) that comply with EN 13207:2025 or with specifications laid out by the sheath manufacturer/supplier;
-   stretch films for wrapping bales that comply with EN 14932:2025 or with specifications laid out by the film manufacturer/supplier;
-   thermoplastic mulching films that comply with EN 13655:2025 or with specifications laid out by the film manufacturer/supplier;
-   barrier films for agricultural and horticultural soil disinfection by fumigation that comply with EN 17098-1:2025;
-   nets and twines for catling and horticulture that comply with the specifications laid out by EN ISO 4167 or by the manufacturer/supplier;
-   flexible ducts, semi-rigid and rigid pipes and fittings for irrigation that comply with ISO 8779, EN ISO 9261, ISO 13460-1, ISO 16438, EN 14267, EN 12324-2, EN 13635, EN 13997, EN 17176-2:2019+A1:2022 or with specifications laid out by the manufacturer/supplier;
-   fabrics and non-woven nets and sheets for catling and horticulture that comply with ISO 9073 series or with specifications laid out by the manufacturer/supplier.
This document does not cover construction, packaging and food-contact products.
NOTE 3   For products non-suitable for recycling in the context of this document, specific procedures apply.

This document specifies the required characteristics, tests and tooling applicable to male electrical contacts, type A, crimp, class S, used in elements of connection according to EN 3155 002.
It is used together with EN 3155 001.
The tests as applied in this document do not permit the full qualification and are expected to be completed with associated components.

This document specifies the required characteristics of coaxial cables, 50 Ω, type WM, for use in aircraft electrical systems at operating temperatures between −55 °C and 200 °C and specially for high frequency up to 6 GHz.
The document encloses also a reinforced cable version (code R) which is used for sensitive systems with controlled VSWR.

This document specifies the requirements related to dimensional, mechanical, and optical characteristics of thermoplastic films and tubes used during the manufacture of silage and designed to last at least one year for protecting fodder.
It specifies a classification for the durability of silage films and the test methods referred to in this document.
This document is applicable to transparent, black, white or coloured (e.g. black/white) thermoplastic silage films based on polyethylene, ethylene copolymer, EVOH and polyamide.
These films are intended for covering bunker silos, silage tubes or silage clamps for preserving forage. They protect the forage and preserve it from rain and air. These films are not intended to cover bales piles (e.g. straw bales and hay bales).
This document does not apply to silage films obtained by sealing two or more films in machine direction.
This document also provides guideline for installation, use and removal conditions of silage films. It also provides guideline for the conventional useful lifetime, as well as rules that allow evaluating the remaining use potential in the event of a failure before the normal end-of-use date.

This document specifies a test method and the minimum requirements for mycobactericidal activity of chemical disinfectant and antiseptic products that form a homogeneous, physically stable preparation when diluted with hard water or - in the case of ready-to-use-products - with water.
Products can only be tested at a concentration of 80 % or less, as some dilution is always produced by adding the test organisms and interfering substance.
The method described is intended to determine the activity of commercial formulations or active substances under the conditions in which they are used.
This document is applicable to products that are used for equipment disinfection by immersion, surface disinfection by wiping, spraying or flooding or other means and teat disinfection in the veterinary area - i.e. in the breeding, husbandry, production, veterinary care facilities, transport and disposal of all animals except when in the food chain following death and entry to the processing industry.
EN 14885 specifies in detail the relationship of the various tests to one another and to "use recommendations".
NOTE   This method corresponds to a phase 2 step 1 test.

1.1   Objective
This document is intended for the use of breeder document issuing authorities both policymakers and technical, for having uniform formats that conform to printed as well as digital requirements of CEN member and associated states (including EU member states).
The objectives are:
a)   provision of a common set of formats of breeder documents – printed and digital to be implemented by CEN member and associated states (including EU member states), with the extended objective of their acceptance internationally;
b)   the focus is on having common recognizable formats as well as prevention of identity fraud, particularly related to the use of breeder documents to obtain national and international ID documents, such as passports, and residence permits.
1.2   Human dimension of identity management
Each country’s identity management system also provides a framework for observing and protecting many of the human rights embodied in international declarations and conventions. Depending on the provisions in place, the system can ensure that citizens can exercise a wide range of rights, such as rights to property, privacy, freedom of movement and free choice of place of residence, as well as access to social services such as education, healthcare and social security. In states with more advanced technological infrastructure, population registration provides the basis for the establishment of a number of citizen-oriented computerized services, also known as e-services and e-government. Identity management is also central to prevention of discrimination in exercising guaranteed rights.
The identity management infrastructure provides the backbone for a functioning and viable state by securing civil, population and tax registers, as well other systems such as healthcare benefits, voter lists and the issuance of travel and identity documents based on verifiable identities. Such flaws may become visible during elections, where shortcomings in voter lists can affect confidence in the election process. In essence, a secure identity management system can be seen as the foundation, a root level, that is able to then feed into and help numerous other branches of key state services function effectively and accurately (OSCE, 2017, p.13) [27].
1.3   Security dimension of identity management
One of the key elements of a secure environment for cross-border travel is that the travel documents used by visitors meet international standards in terms of security of the document itself and security in that the document reflects the genuine identity of its holder. Similarly, the systems for issuing travel documents need to be linked to identity management systems to streamline decision-making processes, preferably through modernized systems that reflect developments in document security technology. As entries in registers or officially issued identification documents provide access to specific services, criminal networks are constantly looking for possible gaps in identity management systems to obtain genuine documents under fabricated or stolen identities. Documents obtained as result of gaps in identity management have enabled criminals to target business entities and cause significant financial losses through the use of genuine documents issued to non-existent identities (OSCE, 2017, p.14) [27].
Both legal and illegal immigration breeder docs are regularly used to determine an identity if no MRTD or eMRTD is presented. An identity which will be printed on an eRP, Foreigners ppt, Refugees travel doc etc. unless other supportive evidence of identity is provided.
Organized crime has not overlooked this and fraudulently obtained or falsified travel documents are regularly presented to hide the true identity.
Since a significant portion of the world’s population cannot reliably prove their identity, they rely on verbally presented identities and/or supportive breeder documents when registering in another country.
Asylum applicants who...

This document specifies the required characteristics, tests and tooling applicable to male electrical contacts 004, type A, crimp, class T, used in elements of connection according to EN 3155 002.
It is used together with EN 3155 001.
The associated female contacts are specified in EN 3155 005.
The contacts specified by this document are applicable for connector classes specified in EN 2997 series.
This document specifies two contact types (M and H) depending on connector class.

This document specifies the requirements relating to the dimensional, mechanical and physical-chemical characteristics of thermoplastic barrier films designed for agricultural and horticultural soil disinfection by means of fumigation.
This document specifies also the test methods for verifying these requirements, except the method for determining film permeability using a static technique, which is specified in EN 17098 2.
This document defines the criteria for design for recycling of barrier films and refer to EN 18109 for the product lifecycle, including installation, use, removal and collection for end of life for management of the product after its usage.
This document is applicable to films used during soil disinfection by fumigation (class 1), and to films used during soil disinfection subsequently kept in situ as mulch films (class 2).
On the date of publication of this document, the barrier films are multi-layer films.

Plastic waterproofing sheets generate plastic waste at different stages during their life cycle: production, construction process, service life and end-of-life.
This document specifies the source of recyclate made from pre-consumer material and post-consumer material as it is used in new products. These new products can be plastic waterproofing sheets, other sheets, other construction products or other products.
It defines terms and definitions.
It gives guidance for assessing the recyclates intended for use in the production of new products.
This document is applicable for similar products as construction sheets or membranes consisting of polymers or plastic components such as: swimming pool membranes, geosynthetic membranes, garden ponds membranes, protection membranes, accessories based on thermoplastic material such as walkways, prefabricated pieces. The listing is not exhaustive.
NOTE   The design for recycling of packaging, including the recycling itself, is defined in the CEN/TC 261 “Packaging”.

This document specifies the procedure for classification of the resistance to fire performance of construction products and building elements used as components of building service installations, using data from fire resistance tests which are within the direct field of application of the relevant test method. Classification on the basis of extended application of test results is also included in the scope of this document.
Construction products or building elements for use in ventilation systems include (excluding smoke control system):
—   fire resisting ventilation ducts;
—   fire dampers.
Construction products or building elements for use in or as cables systems:
—   unprotected electric cables with intrinsic fire resistance;
—   fire protective systems for cable systems and associated components.
Relevant test methods which have been prepared for these construction products/building elements are listed in Clause 2.
NOTE   Cables associated with fire dampers are not generally covered by this document unless there is a local regulation that requires it.

This document specifies a method used for the determination of the temperature of deflection under load of specified plastics (including fibre-reinforced plastics in which the fibre length is, prior to processing, greater than 7,5 mm) under defined conditions. A number of different test conditions are defined, depending on the anticipated specimen dimensions.
For additional information, see ISO 75-1:2020, Clause 1.

This document specifies a method for the separation of fatty acid methyl esters (FAME) from middle distillates by liquid chromatography (LC) and for the determination of the pattern of the fatty acid methyl esters by gas chromatography (GC) according to EN 14103.
This document is applicable for the determination of the pattern of the fatty acid methyl esters for the calculation of the average molecular mass of FAME according to EN 14078 [1].
Independently from the origin of the middle distillate, this method is applicable to FAME of vegetable or animal origin that contain fatty acid methyl esters between C6:0 and C24:1. The method is suitable for the separation and determination of FAME from middle distillates with FAME contents of at least 2 % (V/V).
NOTE   For the purpose of this document, the terms % (V/V) and % (m/m) are used to express volume fractions in % or mass fractions in %.

This document specifies an extensible markup language (XML) format to facilitate the transfer of dental case data and CAD/CAM data between software systems.

This document defines terms for the manufacture and use of gas cylinders and other pressure receptacles and their fittings.

This document specifies the requirements for the dimensions of various endodontic obturating materials and the radiopacity for polymeric points, polymeric-coated thermoplastic obturating carriers, non-point-shaped thermoplastic obturating material, or combinations of the above used for obturation of a root canal system. It also specifies numerical and colour-coding systems for designating the sizes of preformed endodontic obturating points, a method for determining the melt mass-flow rate for injection material, and the requirements for marking, labelling, packaging and the instructions for use.
Dental endodontic obturating points are marketed as sterilized or non-sterilized. Sterility is not included in this document. Any claim that the product is sterile is the manufacturer's responsibility (see Table 3). This document does not apply to instruments or apparatus used with obturating materials that become plastic with heat or materials supporting a coronal restoration.
Clause 7 specifies marking, labelling and packaging, including the instructions for use. This document does not specify requirements or test methods for sterility. Reference to applicable national regulations, internationally accepted pharmacopoeia and standards for validating sterilization processes can apply.

This document specifies the requirements for sterilized, single-use, gravity feed infusion sets, used together with the volumetric infusion controllers of IEC 60601-2-24.

This European Standard advises on the safe use of ladders covered by the scope of EN 131-1 and fulfilling the requirements of EN 131-1, EN 131-2 and, for single or multiple hinged-joint ladders, EN 131-4, for telescopic ladders EN 131-6 and for mobile platform ladders EN 131-7.

This European Standard defines terms and specifies the general design characteristics of ladders.
It applies to portable ladders designed for general professional and non-professional use.
This standard does not apply to portable ladders which by their design and instructions are intended and limited only for a specific professional use and as a result are not for general professional or non-professional use."
NOTE 1   For multiple hinge joint ladders EN 131–4 applies.
NOTE 2   For telescopic ladders EN 131–6 applies.
NOTE 3   For mobile ladders with platforms EN 131–7 applies.
NOTE 4   This standard does not apply to step stools for which EN 14183 applies.
NOTE 5   For ladders to work near high voltage installations, EN 61478 applies and for working near low voltage electric installations, EN 50528 applies.

The scope of this document is constrained to the content of the electronic prescription (ePrescription) itself, the digital document which is issued by a prescribing healthcare professional and received by a dispensing healthcare professional. The prescribed medicinal product is to be dispensed through an authorized healthcare professional with the aim of being administered to a human patient. The ePrescription in the administrative workflow of reimbursement is not covered in this document.
This document specifies the requirements that apply to ePrescriptions. It describes generic principles that are considered important for all ePrescriptions.
This document is applicable to ePrescriptions of medicinal products for human use. Although other kinds of products (e.g. medical devices, wound care products) can be ordered by means of an ePrescription, the requirements in this document are aimed at medicinal products that have a market authorization and at pharmaceutical preparations which are compounded in a pharmacy.
This document does not limit the scope to any setting (community, institutional) and leaves it to the national bodies to decide on this matter.
This document specifies a list of data elements that can be considered as essential for ePrescriptions, depending on jurisdiction or clinical setting (primary healthcare, hospital, etc.). Ensuring the authenticity of these data elements is in scope and will have impact on the requirements of information systems.
Other messages, roles and scenarios (e.g. validation of a prescription, administration, medication charts, EHR of the patient, reimbursement of care and dispensed products) are not covered in this document, because they are country-specific or region-specific, due to differences in culture and in legislation of healthcare. However, requirements and content of ePrescriptions within the context of jurisdictions have a relationship with these scenarios. This document also does not cover the way in which ePrescriptions are made available or exchanged, and the process of prescribing itself.
The logistic process of prescribing itself is not part of the scope. A prescription can either be sent (pushed) to a dispenser or either be retrieved (pulled) at the dispenser. However, the requirement for the prescription is described, that it will be able to function in both environments.

This European Standard specifies the general design features, requirements and test methods for portable ladders.
It does not apply to step stools or ladders for specific professional use such as firebrigade ladders, roof ladders and mobile ladders.
It does not apply to ladders used for work on or near live electrical systems or installations. For this purpose EN 61478 applies.
NOTE   For insulating ladders for use on or near low voltage electrical installations EN 50528 applies.
This European Standard is intended to be used in conjunction with EN 131-1.
For single or multiple hinge joint ladders EN 131-4 applies.
For telescopic ladders EN 131-6 applies.
For mobile ladders with a platform EN 131-7 applies.

This document specifies a method for the direct exposure of plastics to solar radiation (method A) and a method for the exposure of plastics to glass-filtered solar radiation (exposure behind window glass) (method B). The purpose is to assess property changes produced after specified stages of such exposures.
General guidance concerning the scope of the ISO 877 series[1] is given in ISO 877-1.

This document specifies the procedures to be followed when connecting cylinder valves to gas cylinders. It specifically applies to all valve and cylinder combinations connected with ISO screw threads as specified in ISO 11363-1 and ISO 15245-1. It defines procedures and practices for inspection and preparation prior to valving for both taper and parallel screw threads.
Torque values are given in Annex A for steel and aluminium alloy gas cylinders including composite cylinders with steel or aluminium alloy neck boss.
NOTE            The procedures and practices specified in this document can be beneficially applied to other valve to cylinder screw thread connection systems. ISO/TR 11364 lists the valve to gas cylinder threads in use worldwide. It gives details of the thread identification codes, whether the threads are interchangeable with ISO threads and if the taping procedure and torque values specified in this document can be used. ISO/TR 11364 gives clear guidance for the method and torque for all listed inlet threads, which are not interchangeable.

This document specifies requirements and their test methods for sinus membrane elevators used during the placement of dental implants for sinus floor lifting. It also specifies the requirements for their marking and labelling.

This document specifies the requirements, tests and marking of hinged combination ladders with one or several hinge joints.
This document is not applicable to hinge-joints of combination and standing ladders as defined by EN 131-1.
This part of the standard is intended to be used in conjunction with EN 131-1, EN 131-2 and EN 131-3.

This document specifies test methods for the determination of the percentage of defective particles and of the microstructure of metallic blast-cleaning abrasives.

This document specifies a method for the enumeration of intestinal enterococci in water, including Enterococcus faecalis, Enterococcus faecium, Enterococcus durans, Enterococcus avium, Enterococcus gallinarum, Enterococcus hirae, Enterococcus casselifavus. The method is based on the growth of target organisms in a liquid medium and calculation of the “most probable number” (MPN) of microorganisms by reference to MPN tables or using suitable MPN informatic programs.
This method can be applied to drinking water and bathing water (fresh or marine), together with other similar water types including those containing an appreciable amount of suspended matter, and allows the detection of enterococci at 1 colony-forming unit (CFU) per 100 ml with definitive results within (26 ± 2) h in the presence of heterotrophic bacteria in numbers as high as 1 × 106 per 100 ml of sample.
For bathing waters, fresh and marine, enterococci are best enumerated when samples are diluted 1:10.
The test specified in this document relies upon the detection of intestinal enterococci based upon expression of the enzyme ß-D-glucosidase and provides a confirmed result in 24 h without further testing of positive wells.
This document does not apply to bottled waters, for which the method has not been validated and therefore is outside the scope of this document, unless appropriate validation of performance of this method has been undertaken by the laboratory prior to use.

This document is applicable to two-way or multi-way ball valves manufactured with all types of polypropylene (PP) and chlorinated polyvinylchloride (PVC-C) thermoplastic materials to be used for the transport of pressurized water whether or not intended for human consumption (domestic systems) for applications in buildings and utility branches.
NOTE 1        The two-way valve is generally used for sectioning and control of flows, and the multi-way valve is used to divert or mix the flows. For information on their functionality, see ISO 16135:2006, Annex B.
NOTE 2        The reader of this document is informed that the water intended for human consumption is subjected to national, regional or local regulatory provisions as applicable.
The application classes are indicated in ISO 15874 and ISO 15877 series.
This document specifies valve characteristics as follows:
—     dimensions for assembly in the relevant pipelines,
—     physical and mechanical requirements.
Other materials can fit the scope of this document if the application classes are specified in a material related specific standard.
Ball valves specified in this document are not intended to be used in conjunction with pipes made by metallic material and copper alloys.

This International Standard specifies a method for the determination of the genotoxic potential of water and waste water using the bacterial strains Salmonella enterica subsp. enterica serotype Typhimurium TA 98 and
TA 100 in a fluctuation assay. This combination of strains is able to measure the genotoxicity of chemicals that  induce point mutations (base pair substitutions and frameshift mutations) in genes coding for enzymes that are   involved in the biosynthesis of the amino acid, histidine.