First Screening for the Mitigation of Bolivian Historical MiningWastes

摘要

The Environmental Department of the Bolivian State Mining Company - COMIBOL, hasdeveloped a system to evaluate and prioritize the mitigation of its historical miningwastes. The initial step of the system is a first screening. For this first screening generalcriteria have been used related to chemical, physical and socioeconomic aspects. Eachcriterion was given a relative score based on previous site mining documents knowledge.Data collection for the different aspects did not require field visits, which significantlyreduced the costs of its implementation. The scores of the different aspects have beengiven a relative weight to calculate a relative site score.. The result is a ranking of morethan forty mining centers administrated by COMIBOL. After the first screening, detailedcharacterization follows starting in the ten mining centers with the highest ranking.