| 2012 | Environment |
Oyu Tolgoi Undai River Protection and Partial Adjustment Project DEIA (PDF - 5.15MB) Oyu Tolgoi Undai River Protection and Partial Adjustment Project Detailed Environmental Impact Assessment. |
| 2012 | Environment |
Oyu Tolgoi Amendment to the Chemical Use DEIA (PDF-1.95MB) Amendment to the DEIA of copper, gold mining and processing project of Oyu Tolgoi mine - Project of chemicals use (additional chemicals).
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| 2012 | Environment |
Oyu Tolgoi Environmental Protection Plan and Monitoring Programme (PDF - 2.70MB) Oyu Tolgoi Environmental Protection Plan and Environmental Monitoring Programme by the Holder of License #6709 for Oyu Tolgoi Deposit. |
| 2011 | Environment |
Oyu Tolgoi Environmental Protection Plan and Monitoring Programme (PDF - 734KB) Environmental Protection Plan and Monitoring Programme for Oyu Tolgoi Project. |
| 2011 | Environment |
Oyu Tolgoi Annual Environmental Report (PDF - 6.83MB) Oyu Tolgoi Annual Environmental Report 2011. |
| 2011 | Environment |
Oyu Tolgoi DEIA Coal Fired Power Plant (PDF - 3.46MB) Detailed Environmental Impact Assessment for Oyu Tolgoi Coal Fired Power Plant. |
| 2011 | Environment |
Oyu Tolgoi EIA Report for Permanent Airport (PDF - 6.33MB) Oyu Tolgoi Environmental Impact Assessment Report for Oyu Tolgoi Project Permanent Airport. |
| 2010 | Environment |
Oyu Tolgoi Groundwater Resource 2005 EIA Supplementary Report (PDF - 1.83MB) Supplementary Report for Oyu Tolgoi Project's Water Supply from Gunii Khooloi Aquifer 2005 Detailed Environmental Impact Assessment. |
| 2010 | Environment |
Oyu Tolgoi DEIA Report on Oyu Tolgoi - Gashuun Sukhait Infrastructure Corridor (PDF - 7.67MB) Detailed Environmental Impact Assessment on Oyu Tolgoi to Gashuun Sukhait Infrastructure Corridor. |
| 2009 | Environment |
Oyu Tolgoi DEIA of Water Supply Pipeline (PDF - 1.1MB) Detailed Environmental Impact Assessment of Oyu Tolgoi Project Water Supply Pipeline. |