The total weight of solids discharged is given by Advocates of Science and Technology for the People, citing a Mines and Geosciences Bureau Report dated September 17, 2012, as 21 million tonnes.
[1] The Center for Science in Public Participation gives the volume discharged, for an incident that they date as August 2, but likely refers to the whole August–September series, as 13 million cubic meters.
According to reports, the leakage released around 9.9 million metric tonnes (MMT) of sediments which is equivalent to a volume of 12 operational months.
Based on the Summary and Recommendation on Mill Tailings Fee and Liabilities of Philex (MGB Report dated ept 17, 2012), the total weight of solids discharged is 20,689,179.42 dry MT.
[6] The effluent smothered marine life in the Balog River, rendering it "practically biologically dead," according to the report by the Advocates of Science and Technology for the People and others.