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About This Item
Full Description
The method is applicable to the determination of the mass concentration of benzene present in ambient air in the range up to 50 µg/m3 benzene. This concentration range represents the certification range for the type approval test. Other ranges may be used depending on the levels present in ambient air.
NOTE 1 When the standard is used for other purposes than for measurements required by Directive 2008/50/EC, the ranges and uncertainty requirements may not apply.
The method covers the determination of ambient air concentrations of benzene in zones classified as rural areas, urban-background areas and traffic-orientated locations and locations influenced by industrial sources.
The results are expressed in µg/m3 (at 20 °C and 101,3 kPa).
NOTE 2 50 µg/m3 of benzene corresponds to 15,4 nmol/mol of benzene.
This European Standard contains information for different groups of users.
Clauses 5 to 7 and Annexes C and D contain general information about the principles of benzene measurement by automated gas chromatography and sampling equipment.
Clause 8 and Annex E are specifically directed towards test houses and laboratories that perform typeapproval testing of benzene analysers. These sections contain information about:
- type-approval test conditions, test procedures and test requirements;
- analyser performance requirements;
- evaluation of the type-approval test results;
- evaluation of the uncertainty of the measurement results of the benzene analyser based on the type-approval test results.
- initial installation of the analyser in the monitoring network and acceptance testing;
- ongoing quality assurance/quality control;
- calculation and reporting of measurement results;
- evaluation of the uncertainty of measurement results under practical monitoring conditions.
Cross References:
EN 15267-1
EN 15267-2
EN ISO 6142
ISO 6142
EN ISO 6143
ISO 6143
EN ISO 6144
ISO 6144
EN ISO 6145-4
ISO 6145-4
EN ISO 6145-6
ISO 6145-6
EN ISO 6145-7
ISO 6145-7
EN ISO 6145-8
ISO 6145-8
EN ISO 6145-9
ISO 6145-9
EN ISO 6145-10
ISO 6145-10
EN ISO 14956
ISO 14956
ISO/IEC Guide 98-3:2008
GUM:1995
2008/50/EC
JCGM 200:2012
EN ISO 9001
ISO 9001
EN ISO/IEC 17025
ISO/IEC 17025
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS EN 14662-3:2015
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Ambient air. Standard method for the measurement of benzene concentrations-Automated pumped sampling with in situ gas chromatography- Most Recent
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BS EN 14662-3:2005
Ambient air quality. Standard method for measurement of benzene concentrations-Automated pumped sampling with in situ gas chromatography- Historical Version