I.S. EN 12341:2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and
  abbreviations
4 Principle
5 Equipment and facilities
6 Filter conditioning, sampling and
  weighing procedures
7 Ongoing quality control
8 Expression of results
9 Performance characteristics of the
  method
Annex A (normative) - Design drawing of standard
        inlet for the sampling of PM[10] and PM[2,5]
Annex B (normative) - Other samplers
Annex C (informative) - Scheme of PM standard
        sampler
Annex D (informative) - Suitability tests for filters
Annex E (normative) - Initial suitability testing
        of weighing facilities
Annex F (informative) - Results of experimental
        work
Annex G (informative) - Impactor efficiency
Bibliography

Defines a standard method for determining the PM[10] or PM[2,5] mass concentrations of suspended particulate matter in ambient air by sampling the particulate matter on filters and weighing them by means of a balance.