1. Green Technology Research Center, Doctorate Program in Environmental Science , School of Postgraduate Studies Universitas Diponegoro , Semarang 50241 , Indonesia ; Department of Environmental Engineering, Faculty of Civil and Planning Engineering , Universitas Kebangsaan Republik Indonesia, Bandung 40268 , Indonesia ; Industrial Hygiene & Environmental Health, Department of Safety Health & Environmental, Concentrating Division of PT Freeport Indonesia , Tembagapura 99960 , Indonesia
2. GIS-Section, GeoData & Modeling, Department of Geologic Data Management , Geo-Engineering Division of PT Freeport Indonesia , Tembagapura 99960 , Indonesia
3. Department of Safety Health & Environmental, Concentrating Division of PT Freeport Indonesia , Tembagapura 99960 , Indonesia
4. Department of Mill Operation, Concentrating Division of PT Freeport Indonesia , United States of America
5. Department of Mill Maintenance, Concentrating Division of PT Freeport Indonesia , Tembagapura , 99960 , Indonesia
6. Department of Industrial Hygiene & Occupational Health, Division of Occupational Health & Safety , PT Freeport Indonesia, Tembagapura 99960 , Indonesia
7. Department of Occupational Safety and Health, Faculty of Health Science , Universitas Islam Negeri Syarif Hidayatullah Jakarta , Banten 15419 , Indonesia
8. Department of Occupational Safety and Health, Faculty of Public Health , Universitas Indonesia , Depok 16424