| Flag | Description |
|---|
| blank | untested |
| 0 or 00 | untested |
| 01 | passed test |
| 02 | Passed SERI QC two-component test |
| 03 | Passed SERI QC three-component test |
| 07 | below minimum |
| 08 | above maximum |
| 10-97 | SERI QC test (increasing severity of failure) |
| 31 | LongWave Test or UPWelling ShortWave Test (misc. failure code) |
| 47 | MinMaxStep Test (within MinMax limits but below Step minimum) |
| 48 | MinMaxStep Test (within MinMax limits but above Step maximum) |
| 74 | MinMaxStep Test (within Step limits but below MinMax minimum) |
| 77 | MinMaxStep Test (below MinMax and Step minimums) |
| 78 | MinMaxStep Test (below MinMax minimum and above Step maximum) |
| 84 | MinMaxStep Test (within Step limits but above MinMax maximum) |
| 87 | MinMaxStep Test (below Step minimum and above MinMax maximum) |
| 88 | MinMaxStep Test above Step and MinMax maximums) |
| 99 | Missing value |