Division 1.5.1.1 Hydrometallurgical zinc production United Kingdom Original text. Later amendments are not shown. 1.5.1.1.1Energy 1.5.1.1.2Air emissions 1.5.1.1.3Soil and groundwater protection 1.5.1.1.4Waste water generation 1.5.1.1.5Waste ← Division 1.5.1 Division 1.5.1.1 Division 1.5.1.1.1 →