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BS EN 16402:2019 – TC:2020 Edition

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Tracked Changes. Paints and varnishes. Assessment of emissions of substances from coatings into indoor air. Sampling, conditioning and testing

Published By Publication Date Number of Pages
BSI 2020 162
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This document specifies a reference method for the determination of emissions from coatings into indoor air. This method is applicable to volatile organic compounds, semi-volatile organic compounds and volatile aldehydes. NOTE 1 This document is aimed at describing the overall procedure and makes use of existing standards mainly by normative reference complemented when necessary with additional or modified normative requirements. This document is mainly aimed at determining emission data in indoor air for the purpose of meeting national legislation requirements, and for the voluntary labelling of products. NOTE 2 Harmonized product standards for coatings falling under the CPR can refer to this standard for the intended conditions of use. This document applies to coatings for indoor use as listed in Clause 5. It is not applicable for: – coatings that are applied off site or coatings that are applied on site, prior to the structure being permanently weatherproof except for the product type category 7 as listed in Clause 5; – tinting pastes that are not ready for use as coating; – non film-forming products like e.g. waxes and impregnations.

PDF Catalog

PDF Pages PDF Title
96 undefined
102 1 Scope
2 Normative references
103 3 Terms and definitions
3.1 Terms relating to sampling and product
104 3.2 Terms relating to emissions into indoor air and associated laboratory testing
106 3.3 Terms relating to determination of emitted substances
108 3.4 Abbreviations
4 Principle
109 5 Product categories
110 6 Relevant substances emitted from coatings
7 Intended conditions of use, Emission scenarios and European reference room
7.1 Intended conditions of use and emission scenario
7.2 Reference room and emission scenario
7.2.1 General
111 7.2.2 Dimensions and loading factors in the reference room
112 7.3 Ventilation in the reference room
7.4 Climate conditions of the reference room
7.5 Time schedule of emission determination
8 Product sampling and transport
8.1 Population of the product to be considered for testing
8.2 Sampling
8.2.1 Quantity of sample
8.2.2 Multi-component products
113 8.2.3 Additional requirements from the testing laboratory for the product sampling plan
8.2.4 Sampling location
8.2.5 Packaging
8.2.6 Sample description and marking
8.3 Transport
8.4 Chain of custody
114 8.5 Dispatch of samples, time schedule
9 Handling of product samples in the laboratory
9.1 Storage
9.2 Preparation of test specimen: Coatings
9.2.1 General comments
9.2.2 The sample of coating to be tested
115 9.2.3 Application methods and conditions
9.2.4 Drying / preconditioning start time
118 9.3 Preparation of test specimen: coating systems
9.4 Preconditioning
9.4.1 General
119 9.4.2 Standard preconditioning
9.4.3 Extended preconditioning
10 Test chamber conditions
10.1 Principle
10.2 Dimensions of test specimen
10.3 Loading factor
120 10.4 Ventilation
10.5 Air velocity
10.6 Cleanliness of test chamber
10.7 Testing climate (temperature, relative humidity of supply air)
10.8 Storage of test specimen
121 10.9 Large products or inhomogeneous products
10.10 Volume of test chamber
10.11 Placement of test specimen in test chamber
11 Determination of vapour-phase organic compounds in test chamber air
11.1 Common requirements
122 11.2 Determination of VOCs and SVOCs in test chamber air
11.2.1 General
123 11.2.2 Analytical system
11.2.2.1 General
11.2.2.2 Capillary GC column
11.2.2.3 Checks on analytical system performance
124 11.2.2.4 Analytical system performance criteria
125 11.2.2.5 Tune requirements for the mass spectrometer detector
11.2.2.6 Laboratory proficiency testing schemes and participation in round-robin exercises
11.2.3 Tube conditioning and laboratory blank tubes
126 11.2.4 Sampling test chamber air
11.2.5 Identification, calibration and analysis
11.2.5.1 Identification
11.2.5.2 Quantification
128 11.2.5.3 Reporting and quantification limits
11.2.5.4 Determining the quantification limit
11.2.5.5 Identified compounds (target and non-target compounds)
129 11.2.5.6 Unidentified compounds
11.2.6 Total volatile organic compounds (TVOC) and total semi-volatile organic compounds (TSVOC)
11.2.6.1 General background
130 11.2.6.2 Calculation of TVOC and TSVOC
11.3 Determination of formaldehyde and some other volatile and very volatile carbonyl compounds in test chamber air
11.3.1 General
11.3.2 Analytical system
11.3.3 Sampling test chamber air
131 11.3.4 Blank tubes
11.3.5 Identification, calibration and analysis
11.3.5.1 Identification
11.3.5.2 Quantification
11.4 Other general aspects of quality control
11.4.1 Laboratory quality checks
132 11.4.2 External references
12 Calculation of specific emission rates and expression of results at the reference room
135 13 Test report
13.1 General
13.2 Sampling
13.3 Handling of samples in the laboratory, preparation of test specimen
136 13.4 Test chamber conditions
13.5 Determination of vapour-phase organic compounds in test chamber air
13.6 Calculation of specific emission rates and expression of results in terms of air concentration in the reference room
137 14 “Indirect” methods
138 Annex A (informative)Repeatability and reproducibility
A.1 Repeatability
A.2 Reproducibility
140 Annex B (informative)Examples of indirect methods (also called simplified, screening, secondary, derived or alternative methods)
B.1 General
B.2 Indirect methods-emissions testing
B.2.1 Emission cell
B.2.2 Micro-chamber
141 B.2.3 Thermal extraction
B.3 Indirect methods specifying alternative procedures
B.3.1 Headspace and in-can VOC determination
B.3.2 VOC content determination
B.3.3 Formaldehyde specific methods
B.4 Other secondary methods — Prediction of results at specified time
142 Annex C (informative)Information on very volatile organic compound (VVOC) testing
143 Annex D (informative)Example of a form for the sampling report
144 Annex E (informative)Example of a form for a chain of custody report
145 Annex F (informative)Benzene artefact generation on Tenax TA
146 Annex G (normative)List of non-carcinogenic VOCs
154 Annex H (informative)List of carcinogenic VOCs
156 Annex I (informative)Overview of test procedure
BS EN 16402:2019 - TC
$258.95