| 1 | 427 | ThresholdValuesBackgroundLevels_Enum | Background levels have been considered in the threshold value establishment |
| 2 | 428 | ThresholdValuesBackgroundLevels_Enum | Background levels have been considered in the status assessment but not in the threshold value establishment |
| 3 | 429 | ThresholdValuesBackgroundLevels_Enum | Background levels are considered in a different way |
| 4 | 430 | ThresholdValuesBackgroundLevels_Enum | Background levels have not been considered |
