NS EN 1948-3 : 2ED 2006

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and abbreviations
    3.1 Definitions
    3.2 Abbreviation
4 Principles of identification and quantification
5 Reagents, materials and equipment
6 Safety measures
7 Quality control requirements for identification and
    quantification
    7.1 Minimum requirements for identification of
          PCDD/PCDF congeners
    7.2 Isomer sums of PCDD/PCDF congeners
    7.3 Minimum requirements for quantification
8 Quality assurance criteria for extraction/clean-up
    quantification procedure blanks
9 Calibration of the GC/MS
10 Quantification of the GC/MS results
    10.1 Quantification of the sample
    10.2 Calculation of the recovery rates of the
          extraction standards
    10.3 Calculation of the recovery rates of the
          sampling standards
11 Calculation of the measurement results
12 Analytical report
13 Performance characteristics
    13.1 General aspects
    13.2 Intralaboratory results
    13.3 Interlaboratory results
    13.4 Lower detection limits
14 Interferences
Annexes
A (informative) Examples of operation Gas chromatography/
mass spectrometry analysis of PCDDs/PCDFs in emission
samples
B (informative) Bibliography
C (informative) Mass of ions monitored for PCDDs and PCDFs
D (informative) Relative abundance of chlorine isotope
ions and their ratio for PCDD/PCDF congeners containing
4 to 8 chlorine substituents
E (informative) Further general recommendations for
separation, detection and quantification of PCDDs/PCDFs
F (informative) Further general recommendations for
separation, detection and quantification of PCDDs/PCDFs
G (informative) Clauses of this European Standard
addressing essential requirements or other provisions of
EU Directives

Describes the identification and quantification procedures of the sampled PCDDs/PCDFs.