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Total records found: 222
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prEN 15347-3 Public enquiry
Comment end date 2024-06-15
Plastics - Sorted plastics wastes - Part 3: Quality grades of sorted Polypropylene (PP) wastes and specific test methods

This document describes the quality grades for sorted Polypropylene (PP) waste streams as well as specific test methods laying out those properties for which the supplying party of the waste makes information available to the receiving party. Polypropylene waste quality grades are based on pre-determined sets of characteristics, taking into account sectorial and market specificities and related information needs and tests methods. The scheme provides for a division of information between "Required Data", where a statement is required, and additional "Optional Data" as agreed between the supplying and receiving party. This document does not cover the general characterization addressed in EN 15347-1.

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prEN 14336 Public enquiry
Comment end date 2024-06-15
Heating and cooling systems in buildings - Installation and commissioning of water based heating and cooling systems

This document specifies the requirements for the installation and commissioning of water-based heating, water-based cooling, and heating of domestic hot water (DHW) systems in buildings with a maximum operating temperature of 105 °C. This document does not cover superheated water systems and steam systems. This document covers the commissioning of the system as a whole, in case of new systems, renovations, replacement of equipment. It does not cover the specific commissioning requirements for these components (e.g. how to set fuel/air ratio on a burner). This document does not cover the installation or commissioning of attached systems (e.g. air conditioning, domestic hot water distribution, ventilation systems). This document covers only the technical requirements and does not cover any commercial or contractual arrangements between parties.

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EN 16839:2022/prA1 Public enquiry
Comment end date 2024-06-15
Railway applications - Rolling stock - Head stock layout

This document is applicable to vehicles equipped with buffers and screw coupling systems. In order to allow operation and coupling of trainsets or vehicles, this document specifies the defined free space for the shunter called the "Berne rectangle" and the necessary free space for the installation of the rescue coupler. This document specifies the location, fixing and free spaces on the headstock of: - buffers; - screw coupling systems; - end cocks; - pneumatic half couplings; - connections for electric cables. It also specifies the calculation of the width of the buffer heads. Unless otherwise displayed, all dimensions given in this document are nominal values.

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prEN ISO 15118-21 Public enquiry
Comment end date 2024-06-12
Road vehicles - Vehicle to grid communication interface - Part 21: Common 2nd generation network layer and application layer requirements conformance test plan (ISO/DIS 15118-21:2024)

The document specifies all common test cases to be applied to and correctly handled by EVs (EVCC) and EVSEs (SECC) implementing ISO 15118-20 that are independent of a particular charging type (AC, DC, ACD, WPT charging). The document considers the use cases defined in ISO 15118-1:2019 The test system will comprise: - A simulated SECC to verify the correct behaviour of a real EVCC - A simulated EVCC to verify the correct behaviour of a real SECC The document specifies test cases for all requirements defined in ISO 15118-20, verifying at least the following aspects: - Charge spot discovery and initialization of communication (TCP / TLS connection establishment). - Session establishment, session interruption and session re-establishment. - Authentication process for charging session (e.g. EIM and PNC) - Service discovery and selection - Common and charging type independent service implementation - Termination of charging session - Error handling The test cases cover positive tests (according to ISO 15118-20). In addition, error scenarios (e.g., incorrectly formatted requests, invalid content of messages, etc.) as well as tests for timing behaviour are defined which are also handled by EVCC and SECC ensuring interoperability between EVs and EVSEs. The test cases will be structured according to OSI-layers 3 to 7 depending on their testability from a (non-) functional perspective (e.g., IPv6, TCP, TLS. The test cases will include standard test case attributes like pre-conditions, test behaviours, expected results to evaluate pass or fail and post-conditions to be applied returning the system under test to a safe state.

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prEN 16904 Public enquiry
Comment end date 2024-06-15
Plastics piping systems inside the building structure - Environmental product declarations - Product category rules complementary to EN 15804

This document provides product category rules (PCR) for Type III environmental product declarations, as described in EN ISO 14025 and EN 15942, for plastics piping systems inside the building structures and their main structural components, as specified by the list of product standards provided in Annex CC. This document encompasses: - both pressure and non-pressure applications; - metal fittings which are used in a plastic piping system. The intended function of the system considered is to convey liquids according to EN 806 (for potable water supply), EN 1264 (for heating and cooling systems), EN 12828 (for radiators), EN 12056 (for soil and waste discharge and for water traps). In case there is no application standard available, this document can also be used for other plastics piping systems such as for example for rainwater gutters, ventilation systems or electrical conduits. This document specifies product category rules of construction products as defined in and is intended to be used in conjunction with EN 15804+A2. In addition to EN 15804+A2, this document specifies: - the functional unit (consisting of pipes, fittings and ancillary components) and declared unit (consisting of pipes and/or fittings); - the system boundaries and additional mandatory modules to be declared; - the processes to be included in the installation phase; - scenarios for module A4, A5; - use conditions for the use phase (B modules); - reference service life (RSL); - end of life scenarios.

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prEN ISO 21028-1 Public enquiry
Comment end date 2024-06-12
Cryogenic vessels - Toughness requirements for materials at cryogenic temperature - Part 1: Temperatures below -80 degrees C (ISO/DIS 21028‑1:2024)

ISO 21028-1:2016 specifies the toughness requirements of metallic materials for use at a temperature below -80 °C to ensure their suitability for cryogenic vessels. ISO 21028-1:2016 is not applicable to unalloyed steels and cast materials.

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prEN ISO 19628 Public enquiry
Comment end date 2024-06-15
Fine ceramics (advanced ceramics, advanced technical ceramics) - Thermophysical properties of ceramic composites - Determination of specific heat capacity (ISO/DIS 19628:2024)

ISO 19628:2017 describes two methods for the determination of the specific heat capacity of ceramic matrix composites with continuous reinforcements (1D, 2D, 3D). Unidirectional (1D), bi-directional (2D) and tridirectional (XD, with 2 < x ≤ 3). The two methods are: - method A: drop calorimetry; - method B: differential scanning calorimetry. They are applicable from ambient temperature up to a maximum temperature, depending on the method: method A can be used up to 2 250 K, while method B is limited to 1 900 K. NOTE Method A is limited to the determination of an average value of the specific heat capacity over a given temperature range and can give a larger spread of results.

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prEN ISO 11197 Public enquiry
Comment end date 2024-06-13
Medical supply units (ISO/DIS 11197:2024)

IEC 60601-1:2005+A1:2012, 1.1 is replaced by: This document applies to the basic safety and essential performance of medical supply units, hereafter also referred to as ME equipment. This document applies to medical supply units manufactured within a factory or assembled on site, including cabinetry and other enclosures, which incorporate patient care services. NOTE 1 A party that assembles on site various components intended for patient care services into an enclosure is considered the manufacturer of the medical supply unit. Hazards inherent in the intended function of ME equipment or ME systems within the scope of this document are not covered by specific requirements in this standard, except in of IEC 60601-1:2005+A1:2012, 7.2.13 and 8.4.1 (see 201.1.4). NOTE 2 Refer to IEC 60601-1:2005+A1:2012, 4.2.

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prEN 14383-1 Public enquiry
Comment end date 2024-06-08
Crime prevention through building design, urban planning and city maintenance - Part 1: Vocabulary

This document is the terminology part of a series for the “Prevention of crime by urban planning and building design”. For some specific terms used in the other parts of the EN 14383-series, it provides equivalent terms in three languages, as well as definitions. This document uses the crime type definitions of the ICCS, see 1 2 (including the coding in numbers). In your national context you may prefer national definitions. 1 The International Classification of Crime for Statistical Purposes, UN 2015 and EU 2017 [4]; see in CEN/TS 14383-2:2022, Annex A 2 See https://www.unodc.org/documents/data-and-analysis/statistics/ICCS/Korea_Module_1_ICCS_presentation.pdf

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EN 13451-3:2022/prA1 Public enquiry
Comment end date 2024-06-08
Swimming pool equipment - Part 3: Additional specific safety requirements and test methods for inlets and outlets and water/air based water leisure features installed in pools for public use

This document specifies safety requirements and test methods for inlets and outlets for water/air and water/air based leisure features involving water movement, in addition to the general safety requirements of EN 13451-1. The requirements of this specific standard take priority over those in EN 13451-1. This part of EN 13451 is applicable to swimming pool equipment installed in pools for public use designed for: - the introduction and/or extraction of water for treatment or leisure purposes; - the introduction of air for leisure purposes; - water leisure features involving the movement of water. NOTE The above items are identified with the general term devices.

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EN 14501:2021/prA1 Public enquiry
Comment end date 2024-06-08
Blinds and shutters - Thermal and visual comfort - Performance characteristics and classification

This document applies to the whole range of shutters, awnings and blinds defined in EN 12216, described as solar protection devices in this document. It specifies the corresponding properties and classifications: - relating to thermal comfort: - the solar factor (total solar energy transmittance); - the secondary heat transfer factor; - the direct solar transmittance; - relating to visual comfort: - the darkening performance; - the night privacy; - the visual contact with the outside; - the glare control; - the daylight utilization; - the rendering of colours. NOTE For other purposes, more detailed methods using different parameters can be used. Some of the characteristics (e.g. gtot) are not applicable when solar protection devices are not parallel to the glazing (e.g. folding-arm awnings). This document is not applicable to the solar protection devices using fluorescent materials.

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prEN 3639 Public enquiry
Comment end date 2024-06-08
Aerospace series - Heat-resisting alloy X6NiCrTiMoV26-15 (1.4980) - Softened and cold worked - Wires for forged fasteners - D ≤ 15 mm - 900 MPa ≤ Rm ≤ 1 100 MPa

This document specifies the requirements relating to: Heat-resisting alloy X6NiCrTiMoV26-15 (1.4980) Softened and cold worked Wires for forged fasteners D ≤ 15 mm 900 MPa ≤ Rm ≤ 1 100 MPa for aerospace applications. W.nr: 1.4980. ASD-STAN designation: FE-PA2601.

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prEN 4533-003 Public enquiry
Comment end date 2024-06-08
Aerospace series - Fibre optic systems - Handbook - Part 003: Looming and installation practices

This handbook considers the best practices during initial design and how the practices chosen affect through life support of the installation. Looming and installation practices are a critical aspect of any aircraft electrical/avionics installation. In order to provide a reliable and efficient system, it is important that the fibre optic installation is designed for reliability and maintainability. This document provides technical advice and assistance to designers and engineers on the incorporation of fibre optic harnesses into an airframe, while, wherever possible, maintaining maximum compliance with current aircraft electrical harness procedures. All topics that are related to the installation of optical cables are addressed in EN 3197. These rules are applicable for fibre optic cables and connectors defined by EN specifications.

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prEN 4533-002 Public enquiry
Comment end date 2024-06-08
Aerospace series - Fibre optic systems - Handbook - Part 002: Test and measurement

This document examines the requirements to enable accurate measurement of fibre optic links from start of life and during the life cycle of the system from installation and through-service. This document explains the issues associated with optical link measurement and provides techniques to address these issues. This document discusses the measurement of key parameters associated with the passive layer (i.e. transmission of light through an optical harness). This document does not discuss systems tests, e.g. bit error rates.

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prEN 4533-001 Public enquiry
Comment end date 2024-06-08
Aerospace series - Fibre optic systems - Handbook - Part 001: Termination methods and tools

1.1 General This document examines the termination of optical fibre cables used in aerospace applications. Termination is the act of installing an optical terminus onto the end of a buffered fibre or fibre optic cable. It encompasses several sequential procedures or practices. Although termini have specific termination procedures, many share common elements and these are discussed in this document. Termination is required to form an optical link between any two network or system components or to join fibre optic links together. The fibre optic terminus features a precision ferrule with a tight tolerance central bore hole to accommodate the optical fibre (suitably bonded in place and highly polished). Accurate alignment with another (mating) terminus is provided within the interconnect (or connector) alignment mechanism. As well as single fibre ferrules, it is noted that multi-fibre ferrules exist (e.g. the MT ferrule), and these are also discussed in this document. Another technology used to connect 2 fibres is the expanded beam. 2 ball lenses are used to expand, collimate and then refocus the light from and to fibres. Contacts are not mated together. It helps reducing the wear between 2 contacts and allows more mating cycles. This technology is less sensitive to misalignments and dust. Losses are remaining more stable than butt joint contact even if the nominal loss is higher. NOTE Current terminology in the aerospace fibre optics community refers to an optical terminus or termini. The term optical contact can be seen in some documents and has a similar meaning. However, the term contact is now generally reserved for electrical interconnection pins. The optical terminus (or termini) is housed within an interconnect (connector is an equivalent term). Interconnects can be single-way or multi-way. The interconnect or connector will generally house the alignment mechanism for the optical termini (usually a precision split-C sleeve made of ceramic or metal). It is important that the reader is aware of these different terms. An optical link can be classified as a length of fibre optic cable terminated at both ends with fibre optic termini. The optical link provides the transmission line between any two components via the optical termini which are typically housed within an interconnecting device (typically a connector) with tight tolerancing within the alignment mechanisms to ensure a low loss light transmission. This document explains the need for high integrity terminations, provides insight into component selection issues and suggests best practice when terminating fibres into termini for high integrity applications. A detailed review of the termination process can be found in Clause 4 of this document and is organized in line with the sequence of a typical termination procedure. The vast number of cable constructions and connectors available make defining a single termination instruction that is applicable to all combinations very difficult. Therefore, this handbook concentrates on the common features of most termination practices and defining best practice for current to near future applications of fibre optics on aircraft. This has limited the studies within this part to currently available ‘avionic’ silica fibre cables and adhesive filled butt-coupled type connectors. Many of the principles described, however, would still be applicable for other termination techniques. Other types of termination are considered further in EN 4533-004. It is noted that the adhesive based pot-and-polish process is applicable to the majority of single-way fibre optic interconnects connectors and termini for multi-way interconnects and connectors. They share this commonality. 1.2 Need for high-integrity terminations In order to implement a fibre optic based system on an aircraft, it is vital to ensure that all the constituent elements of the system will continue to operate, to specification, over the life of the system...

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prEN 3646-004 Public enquiry
Comment end date 2024-06-08
Aerospace series - Connectors, electrical, circular, bayonet coupling, operating temperature 175 °C continuous - Part 004: Receptacle, jam-nut mounting - Product standard

This document specifies the characteristics of the jam-nut mounted receptacles of the family of bayonet coupling circular connectors, intended for use in an operating temperature range of -65 °C to 175 °C or 200 °C continuous. This document applies to models specified in Table 4. For contact, filler plugs and rear accessories associated with this receptacle see EN 3646-002. For plugs and protective covers, see EN 3646-008 and EN 3646-009 respectively.

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prEN 18061 Public enquiry
Comment end date 2024-06-08
Road vehicles -- Electrically propelled vehicles -- Steps, conditions and protocols for the safe repair and re-use of modules and batteries originally designed for EV applications

The standard shall describe the necessary steps, conditions and protocols for the safe repair and re-use of batteries, battery packs, and modules originally designed for electro-mobility applications. This standard includes an informative annex on Guidance on design and assembly techniques facilitating the maintenance, repair, reuse of batteries originally designed for EV applications.

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prEN 18060 Public enquiry
Comment end date 2024-06-08
Road vehicles - Rechargeable batteries with internal energy storage - Performance of alkali-Ion (Li-Ion, Na-Ion), Pb, NiMH and combined chemistries EV modules and batteries

The standard shall describe the necessary steps and conditions for the measurement of the parameters, which are relevant for rechargeable batteries with internal energy storage used for road vehicles. The parameters shall reflect current industry practice for the applications based on existing international standards. The standard shall consider the most appropriate metric based on application and the objective of the metric to enable comparison of electrical performance between different models/products on the market. It shall in particular take into account the following: - rated capacity (in Ah); - rated power (in W); - internal resistance (in ꭥ); - energy round trip efficiency (in %). The measurement tests of the standard shall be relevant for batteries, battery packs, and battery modules intended for the following applications: - motor vehicles, including M and N categories referred to in Article 2 of Regulation (EU) 2018/858 of the European Parliament and of the Council with traction battery; - L-category vehicles referred to in Article 2 of Regulation EU 168/2013 of the European Parliament and of the Council with traction battery of more than 25kg.

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prEN ISO 19675 Public enquiry
Comment end date 2024-06-08
Non-destructive testing - Ultrasonic testing - Specification for a calibration block for phased array testing (PAUT) (ISO 19675:2017)

The document specifies requirements for the dimensions, material and manufacture of a steel block for calibrating ultrasonic test equipment used in ultrasonic testing with the phased array technique

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prEN 18070 Public enquiry
Comment end date 2024-06-08
Performance of wood adhesives at high temperatures and fire. Test methods, evaluation and classification.

This document specifies a test method for comparing the compression shear strength of adhesive bonds and solid wood at 180 °C and a second elevated temperature. The maximum load of the test pieces after exposure to 180 °C and a specific elevated temperature for a specified duration of time is evaluated. It is applicable to adhesives used in load bearing timber structures and to other wood adhesives. This method is intended primarily to obtain data for the performance of wood adhesives at high temperatures. The result of this method (temperature class) can be used to classify the adhesive with respect to its performance in fire.

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prEN 18039 Public enquiry
Comment end date 2024-06-08
Mountaineering equipment - Autobelay devices for recreational use - Safety requirements and test methods

This document specifies requirements, test methods, marking and information to be supplied for autobelay devices, intended to protect against falls during recreational use in a climbing structure. An autobelay device is a movable personal fall protection system for single person use. This document does not specify requirements for descender devices or retractable fall arresters that are used for descending/climbing in mountaineering, rescue, rope access, fall arrest or work positioning systems. NOTE 1 A climbing structure is e.g. a ropes course, a climbing gym. NOTE 2 An autobelay device which enables the user to belay and descent himself and which conforms to this document is personal protective equipment (PPE). NOTE 3 For mountaineering standards, see Annex D.

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prEN ISO 16757-4 Public enquiry
Comment end date 2024-06-01
Data structures for electronic product catalogues for building services - Part 4: Dictionary structures for product catalogue (ISO/DIS 16757-4:2024)

The focus of ISO 16757 is the support of manufacturers to provide their product data in electronic product catalogues. The standard - ISO 16757 Part 4: Dictionaries for product catalogues – describes which data structures are required in a dictionary to support the exchange of product data from manufacturers to designers of building services systems. Basis for this specification are the standards ISO 12006-3 and ISO 23386. In the scope of this standard are the following elements: - The definition of roles of ISO 12006-3 subjects that are needed to describe the concepts used in current product catalogue dictionaries. These roles include the following: o Product classes to represent product groups with similar property sets o Blocks that represent reusable and multiply used set of properties o System classes that represent the systems into which a product may be installed and provide the system properties which determine the values of dependent product properties o Port classes that allow the product independent description of different kinds of ports which can be used for the definition of product classes or blocks o Catalogue classes that describe the meta data of a catalogue o Tagging classes that allow the tagging of properties to distinguish property roles in the product description - A requirement model capturing the necessary structures to describe these roles - A mapping to the dictionary model of ISO 12006-3.

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prEN ISO 16757-5 Public enquiry
Comment end date 2024-06-01
Data structures for electronic product catalogues for building services - Part 5: Product catalogue exchange format (ISO/DIS 16757-5:2024)

The focus of ISO 16757 is the support of manufacturers to provide their product data in electronic product catalogues. This part of the standard – ISO 16757 Part 5: Product catalogue exchange format - describes how product catalogue data is exchanged as IFC format according to ISO 16739-1 from manufacturers to designers of building services systems. With ISO 16739-1 (IFC), an open language exists for the creation, transfer and maintenance of design models. prEN 17549-1 and prEN 17549-2 define the data exchange of scalable product properties within IFC. These standards provide a Model View Definition (MVD), a subset of ISO 16739-1 from an information technology perspective. It focuses on core classes and relies on external data dictionaries to describe business semantics. This document completes the description of the IFC-based data exchange format for manufacturer catalogues by describing how to model: • Catalogue metadata • Product classes • Constraints for parametric data • Product accessory structures • Constraints for assembling composable products and accessories • Reusable and multiply used data blocks • Product properties as defined in the related library • Static product properties • Dynamic computable properties • Geometric data of product spaces • Geometric data of product symbols • Geometric data of product shape • Geometric data of product ports • Article numbers • Etc. This document focuses only on the format of the data exchanged and not on how to process it. This document is aimed at both software manufacturers for the construction sector and professionals in the sector who use their software.

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prEN 1018 Public enquiry
Comment end date 2024-06-02
Chemicals used for treatment of water intended for human consumption - Calcium carbonate

This document is applicable to calcium carbonate used for treatment of water intended for human consumption. It describes the characteristics of calcium carbonate and specifies the requirements and the corresponding test methods for calcium carbonate. It gives information on its use in water treatment.

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EN 15522-2:2023/prA1 Public enquiry
Comment end date 2024-06-08
Oil spill identification - Petroleum and petroleum related products - Part 2: Analytical method and interpretation of results based on GC-FID and GC-low resolution-MS analyses

This document specifies a method to identify and compare the compositional characteristics of oil samples. Specifically, it describes the detailed analytical and data processing methods for identifying the characteristics of spill samples and establishing their correlation to suspected source oils. Even when samples or data from suspected sources are not available for comparison, establishing the specific nature (e.g. refined petroleum, crude oil, waste oil, etc.) of the spilled oil still helps to constrain the possible source(s). This methodology is restricted to petroleum related products containing a significant proportion of hydrocarbon-components with a boiling point above 150 °C. Examples are: crude oils, higher boiling condensates, diesel oils, residual bunker or heavy fuel oils, lubricants, and mixtures of bilge and sludge samples, as well as distillate fuels and blends. While the specific analytical methods are perhaps not appropriate for lower boiling oils (e.g. kerosene, jet fuel, or gasoline), the general concepts described in this methodology, i.e. statistical comparison of weathering-resistant diagnostic ratios, are applicable in spills involving these kinds of oils. Paraffin based products (e.g. waxes, etc.) are outside the scope of this method because too many compounds are removed during the production process [37]. However, the method can be used to identify the type of product involved. Although not directly intended for identifying oil recovered from groundwater, vegetation, wildlife/tissues, soil, or sediment matrices, they are not precluded. However, caution is needed as extractable compounds can be present in these matrices that alter and/or contribute additional compounds compared to the source sample. If unrecognized, the contribution from the matrix can lead to false “non-matches”. It is therefore advisable to analyse background sample(s) of the matrix that appear unoiled. When analysing “non-oil” matrices additional sample preparation (e.g. clean-up) is often required prior to analysis and the extent to which the matrix affects the correlation achieved is to be considered. Whether the method is applicable for a specific matrix depends upon the oil concentration compared to the “matrix concentration”. In matrices containing high concentrations of oil, a positive match can still be concluded. In matrices containing lower concentrations of oil, a false “non-match” or an “inconclusive match” can result from matrix effects. Evaluation of possible matrix effects is beyond the scope of this document.

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