QAL functions as a tolling operation. Bauxite is supplied and alumina returned to the partners in proportion to their equity holding. A 2Mt/a expansion would require the addition of a third train, while 1Mt/a may be achieved through debottlenecking the existing the trains. Such decisions require unanimous agreement. Wood Mackenzie’s asset reports are built from the bottom up, incorporating a number of granular data metrics to ultimately produce our industry standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.