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Identifier	Class1
Short name	Class1
RegistrationStatus	Released 14 May 2015
Reference URL	http://dd.eionet.europa.eu/dataelements/latest/Class1
Name	Class 1
Definition	In Data Dictionary for countries valid for nitrate, nitrite, ammonium and dissolved oxygen in groundwater only. The number of sampling sites with average concentration of disaggregated values of: Ammonium <= 0.1 mg/l Dissolved Oxygen <= 2 mg/l Nitrate <= 10 mg/l Nitrite <= 0.01 mg/l within the aggregation period.
Methodology for obtaining data	This is a required, not null field for nitrate, nitrite, ammonium and dissolved oxygen in groundwater only.
Datatype	integer
Maximum size	5
Minimum inclusive value	0
Public or Internal	undefined
Owner (Accountable)
Responsible
Is language used	No
CheckInNo	1