We carry out programs in order to control dust emission that is generated in the loading, transportation activities and in the handling of materials such as rock, coal and soil, using a fleet of tankers. We spray approximately 105 kilometres of roads at the mine with more than 17,000 cubic meters of water per day. This water is mainly obtained from the rains, and it is stored in retention ponds.
The efficiency of the control measures and the compliance with air quality standards is verified through a network of 18 monitoring stations, located downstream as well as upstream from the Mine and the Port that measure total suspended particles (TSP) and breathable dust (Pm/10).
The results obtained are sent to competent environmental authorities, the Ministry of the Environment and Corpoguajira (regional authority), indicate that dust concentration at all stations fully comply with regulations in regards to daily as well as annual standards.
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