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By Hugo Melo

Environmental Certifications in Mining Exploration Projects

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The direct consequence resulting from mining activity when carrying out the exploration or exploitation of a deposit involves changes in the physical environment, ranging from the geoavailability of materials, which can alter the quality of surrounding water and soil, to the emission of noise and fine particle emissions into the atmosphere, which if left uncontrolled can affect the area's environmental quality.

In order to reverse this problem, a number of regulations have been implemented in recent years in Peru, and mainly in the mining sector, such as: National System of Environmental Impact Assessment Law and its regulations, Law on Water Resources, resolution on Discharges in Mining and Metallurgical Activities (MAL), Environmental Quality Standards (EQS) for water, air, noise and soil, regulations governing the process of citizen participation in the mining sub-sector, etc., which, combined with other mandatory legal provisions, such as the closure legislation, allow for a better environmental management in mining.

The environmental and social legislation in force for Peruvian mining aims to ensure the development of sustainable mining projects that contemplate the control of impacts on the environment and surrounding communities, through continuous monitoring programs included in mandatory environmental certifications, such as environmental impact assessments and closure plans, in addition to construction permits and authorizations for water use, dumping, waste management, certificates of non-existence of archaeological remains, and others.

This paper provides a general overview of the environmental legislation involved in the development of a mining project (exploration, exploitation and processing), considering that the mining company makes temporary use of the land, requires start-up environmental certifications (EIS, EIA-sd, EIA-d) to start the project and, once the operation stage is completed, whether it is exploration or exploitation, other environmental certifications are required to proceed with the rehabilitation of the occupied areas (Closure Plan). A descriptive analysis is also made regarding the enforcement of current general, intersectoral and sectoral legislation to be considered in the formulation and development of a mining exploration project, categorized as type-I and type-II projects.