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Concept: Not valid due to station maintenance or calibration in the observationvalidity vocabulary

Concept URI http://dd.eionet.europa.eu/vocabulary/aq/observationvalidity/-99
Preferred label Not valid due to station maintenance or calibration
Definition Data is considered to be invalid due to the regular calibration or the normal maintenance of the instrumentation (only used for primary data).
Notation -99
Status Valid
Status Modified 2013-03-22
Accepted Date 2013-03-22
Not Accepted Date