"Waste from remediation activities is 4, 483, 485 metric tonnes"

“of which is hazardous is 71,603 metric tonnes…of which is non-hazardous 4, 411, 882 metric tonnes “

"Waste from production activities is 800, 874 metric tonnes"

"of which is hazardous is 256, 894...of which is non-hazardous 543, 980 metric tonnes”

PP. 25-26 - CSR Report - 2016 Sustainability Performance Report