| PVCCODE | NAME Sort descending |
|---|---|
| AU | Alternative Unit |
| 1C | First Column Result - The Value Obtained from the First Column |
| MS | GC/MS Result - Value Confirmed Using GC/MS |
| NR | Not Reported - Data Not Reported |
| NU | Not Usable - Data Not Usable |
| PR | Primary Result - The Primary Result for a Parameter |
| 2C | Second Column Result - The Value Obtained from the Second Column |
| SR | Semi-Quantitative Result |