0 1 17 2 68 85 7 02817 6 iru 48 16 29 510 3 570 19 5210 6hswhpehu prepared by bv borgelt consultant metallurgical engineer management of sulfur dioxide at mount isa page no site history smelters introduction metal production emissions 4 stack construction 5 smelter technology changes lead copper expansion 8 air quality control system 9 one hour versus three ambient standards 10 emission controls 11 general practice 12 14 world s best 15 impact acid plant on data effect 18 operations 20 fine particle start up
