| 1 | 156 | ApproachSWBNotMonitoredChemical_Enum | Not relevant as all surface water bodies have been sufficiently monitored for chemical status |
| 2 | 157 | ApproachSWBNotMonitoredChemical_Enum | Surface water bodies not monitored for chemical status are reported as good status |
| 3 | 158 | ApproachSWBNotMonitoredChemical_Enum | Surface water bodies not monitored for chemical status are reported as unknown status |
| 4 | 159 | ApproachSWBNotMonitoredChemical_Enum | The status of surface water bodies not monitored for chemical status has been derived or extrapolated from monitoring available for comparable water bodies |
