Foreword
1 Introduction
2 Assumption and interpretations in this Report of the
EC Air Quality Framework and Daughter Directives
2.1 Annexes to the Daughter Directives
2.2 Definitions and interpretation pf measurement
uncertainty, level of confidence, and confidence
interval, within the Ambient Air Quality Daughter
Directives
3 EC Terms of Reference
3.1 General
3.2 Guide to the Expression of Uncertainty in Measurement
3.3 International Standards ISO 5725 Parts 1 to 6
3.4 International Vocabulary of Basic and General Terms
in Metrology
3.5 Other International Standards
4 Recommendations for the assessment of uncertainty of
ambient air measurement methods
4.1 Introduction
4.2 Consistent approach to the assessment of uncertainty
in the Ambient Air Quality Daughter Directives
5 Requirements for on-going quality assurance and quality
control of field measurements covered by the EC Directives
5.1 Overview of requirements
5.2 Specific requirements of the Framework Directive
5.3 Types of organisations involved
5.4 Requirement for traceability to national or
international accepted standards
5.5 Demonstration of the competence of organisations
involved with QA/QC activities
5.6 The role of quality assurance and quality control
for the on-going field measurements
5.7 Procedures for the regular auditing of the performance
of laboratories involved in QA/QC activities
5.8 Conclusions
6 General philosophy for the development of future ambient air
measurement methods
Annex A - Principles of the Reference Methods prescribed in the
EC Air Quality Daughter Directives
Annex B - Data quality objectives contained in the Ambient Air
Quality Daughter Directive covering benzene and
carbon monoxide
Annex C - Reference measurement method for the implementation
of EU Air Quality Directives
Annex D - Examples illustrating the approach specified in this
Report for uncertainty estimation for ambient air
measurement methods
Annex E - Definitions of measurement uncertainty terms used
in this Report
Annex F - Outline description of a methodology for a proficiency
testing scheme which could be used to underpin
European harmonisation of ambient air quality
measurements
Annex G - Members of the Ad-hoc Group on an approach to
uncertainty estimation for ambient air measurement
methods
Annex H - Acknowledgements
Bibliography