| Label | Id | |
|---|---|---|
| mg kg | CONC | |
| Milligram/Kilogram | CONC | |
| milligram per kilogram | CONC | |
| milligram(s)/kilogram | CONC | |
| mcg/m3 | CONC | |
| fg/uL | CONC | |
| ug/m3 | CONC | |
| Microgram per Cubic Meter | CONC | |
| ng/L | CONC | |
| Nanogram per Liter | CONC | |
| Femtogram per Microliter | CONC | |
| Picogram per Milliliter | CONC | |
| pg/mL | CONC | |
| ng/dm3 | CONC | |
| Nanogram per Cubic Decimeter | CONC |