ISO - International Organization for Standardization

This document specifies requirements and test methods for activity toys for indoor and outdoor domestic family use intended for children under 14 years to play on or in. Products covered by this document include swings, slides, see-saws, carousels, rocking toys, climbing frames, toddler swing seats and other products often intended to bear the mass of one or more children. Products not included within the scope of this document are: a) fitness and sporting equipment unless attached to the activity toy; b) equipment intended for use in schools, daycare centres, kindergartens, public playgrounds, restaurants, shopping centres and similar public places; c) juvenile care products such as, but not limited to, infant swings, playpens/enclosures, beds or furniture including picnic tables, cradle rockers and products specifically designed for therapeutic use; d) pools with maximum depth of water over 400 mm measured, between the overflow level and the deepest point within the pool. Inflatable activity toys are included in the scope of this document. However, a powered blower used to continuously inflate the toy is not covered by this document. Such equipment is considered to be a household appliance and is covered by requirements given in IEC 60335-2-80.[ REF Reference_ref_8 \r \h 5 08D0C9EA79F9BACE118C8200AA004BA90B0200000008000000100000005200650066006500720065006E00630065005F007200650066005F0038000000 ]

This document specifies general test criteria and requirements to measure the energy consumption for self-propelled industrial trucks (hereinafter referred to as trucks) during operation. For electric trucks, the efficiency of the battery and the battery charger is included. ISO 23308-2, ISO 23308-3, ISO 23308-4 and ISO 23308-6 contain additional, truck-specific requirements which build on those expressed in this document. This document is applicable to the in-use phase of the product life cycle. It applies to the following truck types as defined in ISO 5053-1: — counterbalance lift truck; — articulated counterbalance lift truck; — reach truck (with retractable mast or fork arm carriage); — straddle truck; — pallet-stacking truck; — pallet truck; — platform and stillage truck; — end-controlled pallet truck; — order-picking truck; — centre-controlled order-picking truck; — towing tractor; — pushing tractor; — burden and personnel carrier; — lorry-mounted truck; — towing and stacking tractor; — side-loading truck (one side only); — variable-reach container handler; — counterbalance container handler; — lateral-stacking truck (both sides); — lateral-stacking truck (three sides); — multi-directional lift truck; — variable-reach truck; — platform truck; — double-stacker; — rough-terrain truck; — rough-terrain variable-reach truck; — slewing rough-terrain variable-reach truck; — stacking high-lift straddle carrier.

This document specifies the requirements and test methods of Glycyrrhiza uralensis and Glycyrrhiza glabra seeds and seedlings. This document is applicable to Glycyrrhiza uralensis and Glycyrrhiza glabra seeds and Glycyrrhiza uralensis seedlings that are sold for the production of Glycyrrhiza uralensis and Glycyrrhiza glabra root as natural medicines in international trade including Chinese materia medica (whole medicinal materials) and decoction pieces.

This document specifies the method of energy consumption measurement for the following types of industrial trucks as defined in ISO 5053-1: — counterbalance lift truck; — articulated counterbalance lift truck; — reach truck (with retractable mast or fork arm carriage); — straddle truck; — pallet-stacking truck; — pallet truck; — platform and stillage truck; — end-controlled pallet truck; — order-picking truck; — centre-controlled order-picking truck; — towing tractor; — pushing tractor; — burden and personnel carrier; — towing and stacking tractor; — side-loading truck (one side only); — lateral-stacking truck (both sides); — lateral-stacking truck (three sides); — multi-directional lift truck.

This specification defines the 3MF file format Core Specification and extensions. It defines all the necessary components that are needed to implement this Suite. This Suite does not change if one or more components are updated by a new edition. The Suite changes only when new components are added to it and/or existing components are removed from it.

This document provides symbols and defines standard datasheets for some of the most often used microfluidic pumps, such as the peristaltic pump, pressure pump, syringe pump and diaphragm/membrane pump.

This document specifies requirements and provides recommendations for the interpretation of observations to reach opinions that answer questions that are relevant for decision making in investigations or legal proceedings. This document states requirements that are applicable to all forensic disciplines. This document states requirements that apply when the opinion is based directly on human judgement and when the opinion is based on interpretation through a statistical model. This document is applicable to interpretation that occurs at a scene, within a facility, or within a judicial setting. This document establishes requirements designed to safeguard the process for the interpretation of observations including the use of either statistical models or human judgement, to address alternative propositions based on the questions asked by the customer. Interpretation is not necessary and the requirements of this document do not apply if the observations resulting from the analysis directly answer the relevant question. EXAMPLE In analytical chemistry, substances are often identified or classified. Provided that the applied analytical methods are not limited in selectivity or sensitivity for the given question, the observations can lead to a direct statement of the name of the substance (identification) or a type of material (classification). This is not considered interpretation for the purposes of this document.

This document specifies the methods of energy consumption measurement for the following type of industrial trucks as defined in ISO 5053-1: — stacking high-lift straddle carrier (hereafter referred to as straddle carrier), as defined in ISO 5053-1:2020, 3.19.

This document specifies methods for the determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) of polymeric materials by means of differential scanning calorimetry (DSC). It is applicable to polyolefin resins that are in a fully stabilized or compounded form, either as raw materials or finished products. It can be applicable to other plastics.

This document specifies requirements for high chromium white cast iron grit, as supplied for blast-cleaning processes. It specifies ranges of particle sizes, together with corresponding grade designations. Values are specified for hardness, density, defect/structural requirements, metallographic structure and chemical composition. The requirements specified in this document apply to abrasives supplied in the new condition only. They do not apply to abrasives either during or after use. High chromium white cast iron grits are used in both static and site blasting equipment. They are most often selected where there is a possibility for the recovery and re-use of the abrasive. NOTE 1 Although this document has been developed for preparation of steelwork, these materials are predominantly used for non-ferrous substrates. The properties specified will generally be appropriate for use when preparing other material surfaces, or components, using blast-cleaning techniques, and can be used for applications where no subsequent coating is applied. NOTE 2 Whenever dissimilar metals are used together, galvanic corrosion can occur.

This document provides an inventory of methods for the detection of microbiological contamination in mammalian cell culture. This document includes considerations for the selection of methods to test the presence of common contaminants such as bacteria, fungi, viruses and mycoplasma. This document is not applicable to prions and protists. This document is intended for use by biomedical researchers, biobank operators and others performing mammalian cell culture.

This document specifies requirements and provides recommendations for reporting of forensic work. This document is applicable to the reporting of forensic work performed at a scene and within a facility. The requirements facilitate the preparation and issuing of reports that are accurate, clear, transparent, complete, unambiguous, impartial and suitable for their intended use. This document also includes requirements relating to the review of case records and reports, the issuance and control of reports, and requirements related to testimony.

This document specifies requirements and provides recommendations to safeguard the process for the analysis of items of potential forensic value. It includes requirements and recommendations for the selection and application of suitable method(s) for the analysis to meet the needs of the customer and fulfil the request. The requirements are designed to ensure the use of suitable methods, proper controls, qualified personnel and appropriate analytical strategies throughout the forensic analysis of items. This document is applicable to activities conducted by a forensic service provider that occur at the scene and within a facility. This document is applicable to all disciplines of forensic science; however, it is not applicable to the recovery of digital data which is covered by ISO/IEC 27037. The requirements and recommendations facilitate the comprehensive, accurate and reliable analysis of items.

This document specifies two test methods for the determination of water content of raw rubber and compounded rubber using a coulometric Karl Fischer titration method: — method A uses an evaporator of heating tube type oven; — method B uses an evaporator of vial type oven. It applies to the water content range between 0,01 % and 1 %. In case of dispute, method B is the preferred method.

This document specifies the method of energy consumption measurement for the following types of industrial trucks as defined in ISO 5053-1: — variable-reach container handler; — counterbalance container handler.

This document defines terms used for the different components of the forensic process from scene to courtroom (as illustrated in Figure A.1).

This document specifies performance tolerances and the technical data presentation for fans of all types. It does not apply for fans designed solely for low-volume air circulation, such as those used for household or similar purposes (ceiling and table fans, extractor fans, etc.). For jet fans, refer to ISO 13350. The upper limit of fan work per unit mass is normally 25 kJ/kg, corresponding to an increase of fan pressure of approximately 30 kPa for a mean density in the fan of 1,2 kg/m3. For higher values, agreement is to be reached between the supplier and the user. This document applies the five installation categories defined in ISO 5801: A free inlet, free outlet; B free inlet, ducted outlet; C ducted inlet, free outlet; D ducted inlet, ducted outlet; E free inlet and free outlet without a partition. The performance of a fan can vary considerably with the installation category it is operating within. Therefore, these categories form an important part of the definition of the fan’s technical data presentation. NOTE International acceptance of the five installation categories provides the opportunity to base a contract on the most appropriate fan category for the end user and the system designer. Correspondingly, the likelihood of the fan providing the agreed performance, without compromise or concession, is enhanced. The efficiency scaling procedures described in 8.1.5 apply to centrifugal fans and axial fans within the specific speed ranges shown in Table 4. To date, there is no experimental data to confirm how they apply to mixed flow fans, having specific speeds in between. Category E fans are treated in Clause 7.

This document specifies measuring methods for the determination of biobased carbon contents in rubber and rubber products, including polyurethanes. The methods focus on carbon atoms in rubber or rubber products, and determine whether the carbon-containing component is biobased or not, judging from the concentration of 14C, radiocarbon isotope. This document applies to rubber and rubber products such as raw materials, materials and final products.

This document specifies a transport protocol and network layer services tailored to meet the requirements of LIN‑based vehicle network systems on local interconnect networks. The protocol specifies an unconfirmed communication. The LIN protocol supports the standardized service primitive interface as specified in ISO 14229-2. This document provides the transport protocol and network layer services to support different application layer implementations such as: — normal communication messages, and — diagnostic communication messages. The transport layer defines transportation of data that is contained in one or more frames. The transport layer messages are transported by diagnostic frames. A standardized API is specified for the transport layer. Use of the transport layer is targeting systems where diagnostics are performed on the backbone bus (e.g. CAN) and where the system builder wants to use the same diagnostic capabilities on the LIN sub-bus clusters. The messages are in fact identical to ones in ISO 15765-2 and the PDUs carrying the messages are very similar. The goals of the transport layer are: — to have low load on commander node, — to provide full (or a subset thereof) diagnostics directly on the responder nodes, and — to target clusters built with powerful LIN nodes (not the mainstream low cost).

This document specifies procedures for assessing the fracture strength of a protective paint coating of any thickness on a steel substrate of thickness not less than 3 mm. The procedures given in document are based on methods used with different types of pull-off test equipment. The results obtained using such different types of equipment are not comparable. This document is only applicable if a fracture strength value is specified, together with the type of test equipment and the manufacturer of the equipment. Usually, this information is included in contract documentation. This document also specifies suitable equipment and defines inspection areas, sampling plans and acceptance/rejection criteria. It does not give any values of the fracture strength of different protective paint coatings.

This document promotes the applicability and portability of Prolog grammar rules in data processing systems that support standard Prolog as defined in ISO/IEC 13211–1:1995/Cor 1:2007/Cor 2:2012/Cor 3:2017 and ISO/IEC 13211–2:2000. This document specifies: a) The representation, syntax, and constraints of Prolog grammar rules b) A logical expansion of grammar rules into Prolog clauses c) A set of built-in predicates for parsing with grammar rules

This document provides guidelines to organizations for establishing general and specific strategies to prevent and reduce crime and the fear of crime at new or existing residential facilities, in single or multiple units. This document builds on the concepts and processes described in ISO 22341, in the context of residential facilities. It provides recommendations on countermeasures and actions to address crime and security risks to people and property, in dwellings and their immediate surroundings, by implementing crime prevention through environmental design (CPTED) strategies in an effective and efficient manner. Within this document, the term “security” is used in a broad manner to include all crime, safety and security-specific applications. Therefore, this document is applicable to public and private organizations, regardless of type, size or nature. This document applies to organizations responsible for the residential facility including a real estate company, developer or landlord.

This document specifies a method for the differentiated determination of the organic carbon content (TOC400) which is released at temperatures up to 400 °C, the residual oxidizable carbon (ROC) (including e.g. lignite (brown coal), hard coal, charcoal, black carbon, soot) and the inorganic carbon (TIC900) which is released at temperatures up to 900 °C. The basis of this method is the dry combustion or decomposition of carbon to CO2 in the presence of oxygen or non-oxygen conditions using temperatures ranging from 150 °C to 900 °C in dry solid samples of sediment, soil, soil with anthropogenic admixtures and solid waste (see Table 1) with carbon contents of more than 1 g per kg (0,1 % C) (per carbon type in the test portion). NOTE TIC900’ includes the TIC measured after acid addition e.g. by ISO 10694 or EN 15936. TOC400 is a fraction of TOC measured according to e.g. ISO 10694 or EN 15936.

This document specifies requirements and recommendations to laboratories that perform extraction of polymerase chain reaction (PCR) quality deoxyribonucleic acid (DNA) from cottonseed, cotton leaf and raw material derived therefrom, that is sufficient for the purpose of PCR analysis. This document is applicable to: a) identifying cotton raw material from which PCR quality DNA can be extracted; b) specifying a method for effective DNA extraction from cotton and cotton-derived raw materials; c) specifying the cotton-specific marker(s) to be used as controls for PCR amplification of DNA. A PCR result obtained from analysis of cottonseed, cotton leaf and to some extant raw materials derived therefrom can only indicate that it is not derived from pure genetically modified organism (GMO)-derived cotton. Admixtures of GMO-derived cotton cannot be detected for cotton fibre and cotton fibre-derived materials. This document does not apply to bulk sampling of the seed, bale or processed fabric and yarn. A recommended sampling method is given in ISO 6497. General guidance for the sampling of bulk materials or for cotton-based products is available in standards such as ASTM D1441-12 and CEN/TS 15568.

This document specifies the 12 V and 24 V electrical physical layers (EPL) of the LIN communications system. The electrical physical layer for LIN is designed for low-cost networks with bit rates up to 20 kbit/s to connect automotive electronic control units (ECUs). The medium that is used is a single wire for each receiver and transmitter with reference to ground. Annex A provides recommendations on the LIN physical layer peripheral interface design of type UART and frame controller for commander and responder nodes. This document includes the definition of electrical characteristics of the transmission itself and also the documentation of basic functionality for bus driver devices. This document also provides the physical layer definitions for nodes with LIN AA capabilities according to one of the procedures C, D and E. All parameters in this document are defined for the ambient temperature range from −40 °C to 125 °C.

This document specifies the maximum electrical resistance of a conveyor belt and the corresponding test method. The test is intended to ensure that the belt is sufficiently conductive to avoid the accumulation of electrical static charge which can be developed during service use. This document is not suitable or applicable to light conveyor belts as described in ISO 21183-1, the static electrical properties of which are measured by ISO 21178.

This document establishes ergonomic design principles for interactive systems related to the software-controlled presentation of information by user interfaces. It applies to the three main modalities (visual, auditory, tactile or haptic) typically used in information and communication technology (ICT). These principles apply to the perception and understanding of presented information. These principles are applicable in the analysis, design and evaluation of interactive systems. This document also provides recommendations corresponding to the principles. The recommendations for each of the principles are not exhaustive and are not necessarily independent from one another. While this document is applicable to all types of interactive systems, it does not cover the specifics of particular application domains which require context-specific recommendations. This document also applies to outputs from interactive systems (such as printed documents and document exports in common computer formats, e.g. pdf, text and tabular formats).

This document gives requirements for general and high purpose binoculars, monoculars and spotting scopes.

This document specifies a method to determine the susceptibility of textile floor coverings to mechanical damage at cut edges. It is applicable to textile floor coverings both as broadloom materials and as tiles and planks.

This document specifies test methods for determining the radiant power and radiant energy of continuous wave and pulsed laser beams, as well as their temporal characteristics of pulse shape, pulse duration and pulse repetition rate. Test and evaluation methods are also given for the radiant power stability of cw-lasers, radiant energy stability of pulsed lasers and pulse duration stability. The test methods given in this document are used for the testing and characterization of lasers.

This document specifies the safety requirements for domestic gas cooking appliances. This covers appliances that are freestanding, built-in or table-top and are intended to be used indoors. This document applies to the gas sections of the appliances and their component parts (e.g. combined gas-electric cooking appliances). This document does not apply to: a) electrical heated elements as part of the appliance; b) outdoor appliances; c) appliances supplied at pressures greater than the maximum pressure of the test gases; d) cook stoves covered by the standards developed by ISO/TC 285. In general, it does not take into account children playing with the appliance. NOTE 1 For requirements regarding electrical safety, refer to the IEC 60335 series. NOTE 2 Attention is drawn to the fact that: — for appliances intended to be used in vehicles or on board of ships or aircrafts, additional requirements can apply; — in many countries, additional requirements are specified by the national health authorities, the national water supply authorities and similar authorities. This document does not cover requirements relating to gas cylinders, their pressure regulators and their connections. This document does not cover requirements for gas installation.

This document specifies requirements for safety, construction and materials of household gas surface cooking appliances. NOTE 1 For general requirements regarding safety, construction and materials of household gas surface cooking appliances, see ISO 21364-1. This document is applicable to the following: — the following surface cooking appliances, being built-in, part of a cooking appliance or table top: — hobs; — surface grills; — griddles; — hobs accessories. It is not applicable to surface cooking appliances intended for either outdoor use or commercial use, or both, as well as electrical heated elements as part of the appliance. NOTE 2 For requirements regarding electrical safety, refer to the IEC 60335 series. NOTE 3 Attention is drawn to the fact that: — for appliances intended to be used in vehicles or on board of ships or aircrafts, additional requirements can apply; — in many countries, additional requirements are specified by the national health authorities, the national water supply authorities and similar authorities. This document does not cover requirements relating to gas cylinders, their pressure regulators and their connections. This document does not cover requirements for gas installation.

This document specifies requirements for safety, construction and materials of domestic gas ovens and compartment grills. NOTE 1 For general requirements regarding safety, construction and materials of gas ovens and compartment grills, see ISO 21364-1. This document is applicable to the following: — the following gas cooking appliances being built-in, table top or part of a cooking range: — ovens with natural or forced convection; — pyrolytic-self-cleaning ovens and pyrolytic-self-cleaning compartment grills; — compartment grills. — oven accessories. It is not applicable to gas ovens and compartment grills intended for either outdoor use or commercial use, or both, as well as electrical heated elements as part of the appliance. NOTE 2 For requirements regarding electrical safety, refer to the IEC 60335 series. NOTE 3 Attention is drawn to the fact that: — for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements can apply; — in many countries, additional requirements are specified by the national health authorities, the national water supply authorities and similar authorities. This document does not cover requirements relating to gas cylinders, their pressure regulators and their connections. This document does not cover requirements for gas installation.

This document specifies a method to determine the resistance of geosynthetics to dynamic penetration by a steel cone dropped from a fixed height. The method is generally applicable to geosynthetics. However, the applicability of this test for some types of products (such as e.g. GGR,GCE, GST,GBR) should be considered carefully .

This document describes remote support provided to LSADS operated at Level 4 automation on predefined routes by a remotely located human in order to facilitate safe trip continuation. "Remote support" refers to the provision of information, or temporary performance of the dynamic driving task (DDT), and remote monitoring required for these functions. This document is applicable to RS-LSADS in vehicles that provide passenger transport or logistics services on predefined routes. This document specifies: — the terms and definitions related to RS-LSADS and the system architecture of RS-LSADS; — functions of RS-LSADS, which are: remote monitoring, remote assistance and remote driving that is operated under very limited conditions, and conditions under which they need to be activated; — the performance requirements, system requirements and performance test procedures of RS-LSADS; — the data to be communicated between vehicles and the remote support facility (but not protocols or other aspects of communication system). This document is applicable to remote support of operational and tactical functions during continuous operations, but does not apply to strategic functions or to RS-LSADS daily startup or shutdown.

This document specifies the examination of samples that have been exposed to corrosive environments at high temperatures. This document specifies the classification, identification and thickness measurement of the corrosion layer that forms during exposure to corrosive environments at high temperatures.

This document presents assessment requirements and associated guidance for extending the service life of a pipeline system, as defined in ISO 13623, beyond its specified design life. It applies to both onshore and offshore rigid metallic pipelines and risers [including steel catenary risers (SCRs)]. This document is not directly applicable to the following: — flexible pipelines; — pipelines constructed from other materials, such as glass reinforced plastics or polymers; — umbilicals (control or chemical conveyance service, or both); — topsides equipment and piping (outside of pipeline system limits defined in accordance with local regulatory requirements); — pipeline protection and support structures and components. However, the assessment process defined herein can be applied in the lifetime extension assessment of the above at the discretion of the user. This document addresses life extension, which is a change to the original design premise. It is also applicable to other changes to the design premise, such as maximum allowable operating pressure (MAOP) re-ratings or a change to the conveyed fluids, at the discretion of the user.

This document specifies: — the principles of carrying out energy audits; — the process requirements for carrying out an energy audit in relation to energy performance; — the roles and responsibilities of the organization and the energy auditor; — deliverables for energy audits. It gives guidance on determining and/or evaluating the competence of the energy auditor. This document is applicable to any organization regardless of its size, complexity, geographical location, organizational culture or the products and services it provides, irrespective of the quantity, use or types of energy used. This document does not apply to selecting and evaluating the competence of bodies providing energy audit services. It also does not apply to auditing an organization’s energy management system (EnMS), as this is described in ISO 50003. Additional documents provide information guidance on applying the energy audit process to buildings (see ISO 50002-2), processes (see ISO 50002-3) and other applications or uses.

This document specifies the characteristics of valves made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels. NOTE 1 For the purpose of this document the term gaseous fuels include for example natural gas, methane, butane, propane, hydrogen, manufactured gas, biogas, and mixtures of these gases. Additional information about the suitability for 100 % hydrogen and its admixtures with natural gas is given by ISO 16486-1:2023, Annex C and Annex D. It is applicable to isolating unidirectional and bi-directional valves with spigot ends or electrofusion sockets intended to be fused with PA-U pipes conforming to ISO 16486-2 and PA-U fittings conforming to ISO 16486-3. This document also specifies the test parameters for the test methods it describes. In conjunction with ISO 16486-1, ISO 16486-2, ISO 16486-3 and ISO 16486-5, this document is applicable to PA-U valves and their joints and to joints with components of PA-U and other materials intended to be used under the following conditions: a) a maximum operating pressure (MOP) of up to and including 18 bar1), or limited to 16 bar under regional CEN requirements, at a reference temperature of 20 °C for design purposes; NOTE 2 For the purpose of this document and the references to ISO 8233, MOP is considered to be nominal pressure. b) an operating temperature of −20 °C to 40 °C; NOTE 3 For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 16486-5. This document covers valves for pipes with a nominal outside diameter, dn, ≤400 mm.

This document specifies the minimum values for expected strength as a function of time and temperature in the form of reference lines, for use in calculations on polysulfone (PSU) injection moulded fittings. This document is applicable for polysulfone homopolymer compounds only.

This document, used in conjunction with ISO 834-1, specifies a method for determining the fire resistance of door and shutter assemblies designed primarily for installation within openings incorporated in vertical separating elements, such as: — hinged and pivoted doors, — horizontally sliding and vertically sliding doors, including articulated sliding doors and sectional doors, — steel single-skin folding shutters (un-insulated), — other sliding, folding doors, — tilting doors, — rolling shutter doors, — removable panels in walls, — self-closing openable windows. Requirements are included for mechanical pre-conditioning, e.g. “cycling” of door and shutter assemblies prior to the conduct of the fire-resistance test. This document does not cover: — Lift landing doors which are tested in accordance with ISO 3008-2.

This document specifies the minimum values for expected strength as a function of time and temperature in the form of reference lines, for use in calculations on polyvinylidene fluoride (PVDF) homopolymer extruded pipes and injection moulded fittings.

This document specifies the reference software and conformance suite for carriage of G-PCC data as specified in ISO/IEC 23090-18. The information provided describes the reference software modules and the features that it supports. It includes the status of the development of the reference software for ISOBMFF encapsulation of carriage of G-PCC data. It also provides a description of how the reference software can be utilized and a description of conformance test vectors.

This document provides principles, requirements and guidance for performing an environmental techno-economic assessment (eTEA). eTEAs provide economic analyses combined with an assessment of environmental impacts. This document specifies requirements for documenting the results, underlying assumptions, parameters and methodologies used in an eTEA. This document is applicable to process systems of any size or production scale.

This document gives guidance on how to apply ISO 50002-1 to carry out energy audits of a building or group of buildings (new or existing). It is intended to be used in conjunction with, and is supplementary to, ISO 50002-1. This document does not apply to other areas such as process audits (see ISO 50002-3), specific energy systems (e.g. compressed air) or transport. This document is applicable to buildings and can be used independently or in conjunction with ISO 50002-3.

This document specifies a chemical method for technicians working with total reflection X-ray fluorescence (TXRF) instrumentation to perform measurements of water samples, according to good practices, with a defined degree of accuracy and precision. Target users are identified among laboratories performing routine analysis of large numbers of samples, which also conform with ISO/IEC 17025. This document specifies a method to determine the content of elements dissolved in water (e.g. drinking water, surface water and ground water). This document is also applicable for determining elements in waste waters and eluates, taking into account the specific and additionally occurring interferences. This document does not specify sampling, dilution and pre-concentration methods. Elements determined using the method specified in this document can depend on the X-ray source of the instrument. This document does not specify health, safety or commercial aspects. The determinable concentrations depend on the matrix and the interferences encountered. In drinking water and relatively unpolluted waters, the limit of quantification lies between 0,001 mg/l and 0,01 mg/l for most of the elements. The range of concentrations typically lies between 0,001 mg/l and 10 mg/l, depending on the element and predefined requirements. Annex A reports an example of uncertainty calculation. Annex B provides an example report on validation of the method for TXRF analysis of water performed with instrumentation that has Mo as the X-ray source and uses Ga as the internal calibration standard. Limits of quantification of most elements are affected by blank contamination and depend predominantly on the laboratory air-handling facilities available, on the purity of reagents and the cleanliness of labware.