NEN EN 13528-3 : 2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Measurement objectives and strategy
   5.1 Measurements in support of Community Policy
        5.1.1 Air Quality Directives
        5.1.2 Source-related assessment
        5.1.3 Forest Protection directives
        5.1.4 Protection of ecosystems
        5.1.5 Public awareness
   5.2 Measurement in support of other policies
        5.2.1 Measurement in support of national, regional or
               local policies
        5.2.2 Protection of special ecosystems
        5.2.3 Particular research aspects
   5.3 Measurement strategy
6 Selection of the device
   6.1 Sources of information
   6.2 Selection of a sampler and procedure
   6.3 Specific applications
   6.4 Compliance with parts 1 and 2 of this standard
7 Operating principles
   7.1 Principles of diffusive sampling
   7.2 Dimensions of diffusive uptake rate
   7.3 Bias due to the selection of a non-ideal sorbent
   7.4 Environmental factors affecting sampler performance
        7.4.1 Temperature and pressure
        7.4.2 Humidity
        7.4.3 Transients
        7.4.4 Influence of air velocity
        7.4.5 Transportation
8 Protection from adverse environmental conditions
   8.1 General
   8.2 Air velocity
   8.3 Precipitation
   8.4 Provision of a shelter
   8.5 Security
9 Arrangement of sampling points
10 Requirements for training
11 Quality assurance
Annex A (informative) - Specific applications
      A.1 General
      A.2 Nitrogen oxides
           A.2.1 Tube-type samplers
           A.2.2 US Environmental Protection Agency (EPA)/Monsanto
                 badge
      A.3 Nitrogen monoxide
      A.4 Sulphur dioxide
      A.5 Ammonia
      A.6 Organic gases (Volatile Organic Compounds or VOCs)
           A.6.1 Tube-type samplers
           A.6.2 Badge-type samplers
           A.6.3 Radial samplers
      A.7 Formaldehyde
      A.8 Ozone
      A.9 Shelters
      A.10 Design of Standard Atmosphere Apparatus
Annex B (informative) - Characteristics of some diffusive samplers
Bibliography

Provides guidance on the selection, use and maintenance of diffusive samplers used to measure ambient air quality. Includes guidance on measurement objectives and strategies, both in support of European Community Policy and more generally, relevant to the use of such samplers.