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  • Publicado : 2 de septiembre de 2010
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La Oroya

“La Oroya“ is a town situaded on the altiplano some some 176 km east-north-east of the national capital.
“La Oroya“ is the location of a smelting operation earned the town a place on theBlacksmith institute’s 2007 report. “The World Worst Polluted Places “.
When Doe Run bought La Oroya, it took over Centromin's PAMA, (Programa de Adecuación y Manejo Ambiental or EnvironmentalRemediation and Management Program), an environmental contract requiring environmental remediation measures. The measures required new sulfuric acid plants, elimination of fugitive gases from the cokeplant, use of oxygenated gases in the anodic residue plant, a water treatment plant for the copper refinery, a recirculation system for cooling waters at the smelter, management and disposal of acidicsolutions at the silver refinery, an industrial wastewater treatment plant for the smelter and refinery, a containment dam for the lead mud near the zileret plant, a granulation process water at the leadsmelter, an anode washing system at the zinc refinery, management and disposal of lead and copper slag wastes, domestic waste water treatment, and domestic waste disposal. However, Doe Run Peru hasbeen indemnified by Centromin (and guaranteed by the Peruvian Government) against any environmental liability arising out of Centromin's prior operations.
The PAMA has since been modified to includethe reduction of stack and fugitive emissions to meet air quality objectives, certain additional pollution controls and the protection of public health including the reduction of lead levels in bloodand special health programs for children and expectant mothers.
Although, none of these expected results were obtained in reality. The indicators showed above have been designed by Doe Run and havenot been certified by any official institute. Despite revenues that exceed US$150 millions in each year of operations, after four months of lower price in minerals, Doe Run have asked Peruvian...
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