DIN EN 14042:2003-07

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement objectives and strategy
    4.1 General
    4.2 EN 689
         4.2.1 General
         4.2.2 Occupational exposure assessment
         4.2.3 Periodic measurements
         4.2.4 Reassessment
         4.2.5 Measurement strategy
    4.3 EN 482
    4.4 Other tasks
5 Selection of the measurement procedure or device
    5.1 General
    5.2 Selection flow chart
    5.3 Selectivity requirements
    5.4 The influence of environmental parameters
    5.5 Fitness for purpose
6 Operating principles and characteristics
    6.1 General
    6.2 Measurement of chemical agents
         6.2.1 Short term detector tubes
         6.2.2 Procedures using an impinger/bubbler as
                sampler
         6.2.3 Procedures using a denuder as sampler
         6.2.4 Procedures using a particle selector to
                sample size fractions
         6.2.5 Procedures to measure chemical agents
                present as mixtures of particles and vapour
         6.2.6 Procedures using pumped samplers for gases
                and vapours
         6.2.7 Procedures using diffusive samplers
         6.2.8 Procedures to measure metals and metalloids
                in airborne particles
         6.2.9 Procedures using bags and canisters for
                sampling
    6.3 Measurement of airborne micro-organisms and
         endotoxin
         6.3.1 Methods using an impactor as sampler
         6.3.2 Procedures using impingers as samplers
         6.3.3 Procedures using filtration samplers
7 Operation of the measuring devices
    7.1 Guidance for use of measuring procedures and
         personal, portable and transportable measuring
         devices
         7.1.1 General
         7.1.2 Transportation
         7.1.3 Storage conditions and shelf life
         7.1.4 Field measurements
         7.1.5 Inspection and field check
    7.2 Guidance for use of fixed measuring devices
         7.2.1 General
         7.2.2 Installation
         7.2.3 Location
         7.2.4 Inspection and field check
8 Recommendations on the use of sampling pumps
    8.1 General
    8.2 Factors influencing the flow rate stability of
         a pump
    8.3 Flow rate calibration
    8.4 Calculation of flow rates and sampling volumes
         8.4.1 Mean Volumetric flow rate
         8.4.2 Sampling volume
9 Maintenance and calibration
10 Disposal of measuring devices
11 Requirements for training
12 Quality assurance
Bibliography

Provides guidance on the selection of procedures, and the installation, use and maintenance of devices for determination of concentrations of chemical or biological agents in workplace atmospheres.