Oyu Tolgoi Mining and Processing EIA

Oyu Tolgoi ProjectMining and Processing EIA1.3 RELATING REGULATIONS AND STANDARDSThere are 3500 national standards and over 10 international standards applied in Mongolia. These canbe found in the Catalogue of Standards of the Standardization and Measurement Center /SMC/.Near 140 of them belongs to the environmental standards, about two thirds of them adopted before1989 and rest added since. The majorities of them define, provide general requirements, or specify themethod of measurement. Only 8 standards are ambient or discharge standards. Ambient standards existfor air, drinking water, surface water and soil. Discharge standards exist for selected air pollutions andwastewater entering centralized treatment plants.There are six national standards related to environmental reclamation and re-vegetation since 2000. Forexample: Most of the Mongolian air ambient standards (largely copied from the USSR practice) areslightly more stringent that, for instance the average of Asian and South East Asian Nations (ASEAN)countries’ corresponding standards.The ambient surface water quality standards specify 18 parameters (biochemical demand of oxygen/BOD/, SS, pH, etc) with values similar to those used by other countries for non-drinking water.Drinking water standards specify 25 parameters.The standards for industrial wastewater discharges into sewers are not very different from those usedtoo. The environmental standards are in the list as follows:Prepared by ECO-TRADE LLC.,Environmental Consultants, MongoliaClient: Ivanhoe Mines Mongolia Inc(IMMI) XXKPart VI. Chapter 1. Page 12