| Classification of Environmental Purposes (CEP) - level 1 |
03 |
Wastewater and water resources |
| Classification of Environmental Purposes (CEP) - level 3 |
030101 |
Prevention of wastewater pollution |
| Classification of Environmental Purposes (CEP) - level 3 |
030102 |
Management of sewerage networks |
| Classification of Environmental Purposes (CEP) - level 3 |
030103 |
Treatment of wastewater |
| Classification of Environmental Purposes (CEP) - level 3 |
030104 |
Treatment of cooling water |
| Classification of Environmental Purposes (CEP) - level 3 |
030105 |
Monitoring and measurement for wastewater management |
| Classification of Environmental Purposes (CEP) - level 3 |
030199 |
Others for wastewater treatment n.e.c |