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THE ROMANIAN COAL MINES CLOSURE PROCESS: SELECTING THE MOST FITTED HAZARD ASSESSMENT METHOD
Abstract
The objective of mine closure is to prev ent or minimize long-term environmental damage, and to create a self-sustaining natural ecosystem or other land use based on an agreed set of objectives. The Romanian mine closure legislation s hould be enforced in the coming years for taking best follow up actions and management of post mining closure. The mine closure is a process which should begi ns during the pre-feasibility phase of a project and continues through operations to lease relinquishment. The closure of mining operations does not lead to the co mplete and permanent elimination of risks and harmful effects are likely to affect the surface within the geographical limits of the old mine workings. Therefore, during the pe riod following the extr action, traditionally known as the „post-mining” period, several kinds of problems may develop, sometimes just after the closure process but also, much later. These phenomena may generate major consequences for people, ground, water, atmosphere and infrastructure. They are also likely to have a major influence on regional development in mining areas. Therefore the elaboration of evaluation methods able to identify and assess the residual risks that may affect people and properties after closure is of great interest. Emphasizing the basics and benchmarks specific for post-mining hazard assessment process the paper develops a primary classifica tion of applicable methods, with respect to main methods selection parameters such as data availa bility, economic considerations and regulatory considerations. The criteria for selecting th e best adapted hazard assessment methods for the specific conditions of Romanian collieries are also outlined in the paper.
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References9
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