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BS EN 15446:2008

Current

Current

The latest, up-to-date edition.

Fugitive and diffuse emissions of common concern to industry sectors. Measurement of fugitive emission of vapours generating from equipment and piping leaks

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-2008

€156.59
Excluding VAT

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement equipment
5 Chemicals/Calibration gases
6 Procedures
7 Precision
8 Report
Annex A (normative) - Evaluation procedure of instrument
        performance parameters
Annex B (normative) - Calculation of response factor for
        mixtures
Annex C (normative) - Correlation between screening values
        and emission rates
Bibliography

Applicable to the measurement of fugitive emissions of volatile organic compounds (VOCs) from process equipment.

Committee
EH/2/1
DevelopmentNote
Supersedes 05/30143820 DC. (11/2008) Reviewed and confirmed by BSI, April 2018. (04/2018)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Current
Supersedes

This standard applies to the measurement of fugitive emissions of volatile organic compounds (VOCs) from process equipment. The leak sources include, but are not limited to, valves, flanges and other connections, pressure relief devices, process drains, open-ended valves, pump and compressor seal systems, agitator seals, and access door seals. It does not apply to instrument tubing connections. This standard applies to all products of which at least 20 % wt has a vapour pressure higher than 0,3 kPa at 20 °C. For the petroleum industry, this includes all light products and excludes kerosene and all heavier products. The standard is based on the measurement of the gas concentration at the interface of a leak. This concentration is measured with a portable instrument. It is converted to a mass emission rate by use of a set of correlations. The scope of this standard includes the complete data processing, from the initial concentration measurement up to the generation of an emission report over a reporting period (which is generally one year) ). This standard does not prescribe the number of potential emission points that should be screened each year nor the frequency at which these points should be screened. This sampling strategy shall indeed take into account the plant characteristics and the required level of control over fugitive emissions. Optical methods are currently under development to ease the detection of leaks in plants and use of this standard in conjunction with these methods might be possible. In any case, measurements have to be performed according to the requirements of this standard. To enable direct quantification of total fugitive emissions based only on these methods, a subsequent revision of this standard will be needed.

Standards Relationship
EN 15446:2008 Identical

ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method

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