Requirements are also specified for the network management structure and to fulfil the

requirements with respect to

· national focal point

· national co-ordination of data

· harmonised methodology for statistical evaluation

· minimum data capture

· standardised reporting directive

· exchange of information decision

The calibration and quality assurance of the national networks should be based on

common requirements in the Member States. The activities on these topics should be

co-ordinated by ERLAP, JRC. Generic capability transfer and harmonisation must

include operational manuals and guide books on site operation, QA/QC and data

handling. Routines must be developed for training, workshops, information exchange

and technology.


Quality assurance is a system of procedures that ensures that measurements are precise

and accurate. Further, results must be comparable and traceable, and data

representative of ambient conditions. The QA/QC system will ensure that optimal use

is made of resources.

The major constituents of a quality assurance programme concern network design (see

chapter 3.3) are, the selection of measurement technique - sampling, analytical and

calibration procedure-, selection of equipment and methods for evaluation validation

of methods and the test of instrument performance. Routine site operation as well as

calibration under field condition, maintenance, management and training must be

developed and documented.


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