NBN EN 14789 : 2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
   4.1 General
   4.2 Measuring principle
5 Description of measuring equipment - Sampling and sample
   gas conditioning systems
   5.1 General
   5.2 Sampling line components
       5.2.1 Sampling line
       5.2.2 Filter
       5.2.3 Sample cooler or permeation drier
       5.2.4 Sample pump
       5.2.5 Secondary filter
       5.2.6 Flow controller and flow meter
6 Analyser equipment
7 Determination of the characteristics of the SRM: analyser,
   sampling and conditioning line
   7.1 General
   7.2 Relevant performance characteristics of the SRM and
       performance criteria
   7.3 Establishment of the uncertainty budget
8 Field operation
   8.1 Sampling location
   8.2 Sampling point(s)
   8.3 Choice of the measuring system
   8.4 Setting of the SRM on site
       8.4.1 General
       8.4.2 Preliminary zero and span check, and adjustments
       8.4.3 Zero and span checks after measurement
9 Ongoing quality control
   9.1 General
   9.2 Frequency of checks
10 Expression of results
11 Evaluation of the method in the field
12 Equivalence with an alternative method
13 Test report
Annex A (informative) Schematic diagram of the measurement
         system
Annex B (informative) Example of assessment of compliance
         of paramagnetic method for O[2] with requirements
         on emission measurements
      B.1 Process of uncertainty estimation
          B.1.1 General
          B.1.2 Determination of model function
          B.1.3 Quantification of uncertainty components
          B.1.4 Calculation of the combined uncertainty
      B.2 Specific conditions in the site
      B.3 Performance characteristics of the method
      B.4 Calculation of the standard uncertainty of the
          concentration values given by the analyser
          B.4.1 Model equation and application of the rule
                of the uncertainty propagation
          B.4.2 Calculation of the partial uncertainties
          B.4.3 Results of uncertainty calculation
Annex C (informative) Procedure of correction of data from
         drift effect
Annex D (informative) Evaluation of the method in the field
      D.1 General
      D.2 Characteristics of installations
      D.3 Repeatability and reproducibility in the field
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive
Bibliography

Explains the paramagnetic method, including the sampling and the gas conditioning system, to determine the oxygen concentrations in flue gases emitted to the atmosphere from ducts and stacks.