24 JANUARY 2011AL CIRCLEAlcoa under investigation again Edited by : AL CIRCLE1 min read...MINING giant Alcoa is again under investigation for allegedly failing to stop toxic dust escaping from its Wagerup waste stockpiles... Tagged with:AlcoaMiningPrevious articleSMM Daily Review - 2011/1/21 Base Metals Market Next articleChinese aluminium producer plans $US2bn raising to boost production Grow with AL CircleKNOW MORE