| Concept URI | http://dd.eionet.europa.eu/vocabulary/wise/uom/ng.L-1 | 
|---|---|
| Preferred label | nanogram per litre | 
| Definition | Mass concentration unit. Conversion factor: 1 kg/m3 = 10^9 ug/L | 
| Notation | ng/L | 
| Status | Valid | 
| Status Modified | 2016-09-08 | 
| Accepted Date | 2016-09-08 | 
| Not Accepted Date | |
| Has broader | 
European Environment Agency
                        
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