6.6.13 Other systems
11.1.3 aquaculture
11.1.11 Crude oil processing
11.1.29 Production of mineral fertilisers other than potassium
11.1.41 Combined wastewater
11.1.63 Chemical pulp production
11.3.1 Process wastewater pre-treatment plants
19.3.5 Stop logs
20.2 Protective devices for fish