The mining and processing of coal, ores and industrial minerals were also included in the regulation that provides that mines using old operating method shall take necessary measures to limit risks by installing leachate collection tanks while those with new designs shall evaluate their installations and ensure that risks of pollution or accident are prevented. Tailings containing heavy metals or other toxic materials or substances shall be treated to acceptable level before disposal; mine water containing heavy metals or other toxic materials or substances shall be treated to acceptable level before disposal, heaps, dumps and spent solutions shall be detoxified to reduce deleterious chemical components such as cyanide, acidity and metal loadings while acid mine drainage testing shall be carried out by the facility throughout the operations and closure and burrow pits containing mine water shall be safely secured.
http://www.sunnewsonline.com/webpages/news/national/2012/feb/22/national-22-02-2012-0018.html
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