Value from from annual review, commentary from basis of reporting document. B. Only includes CO2 and CH4. D. Organisational boundary: those business units of material significance within our operational control. New acquisitions are included from the date of acquisition. Disposals are excluded from the date of disposal. Joint ventures and subsidiaries are included only where they fall within our operational control. Methodology is based on the GHG protocal and the Worldsteel Association methodology (CO2 Emissions Data Collection, User Guide, Version 7. E. An integrated steel mill has all the functions for primary steel production: iron making (conversion of ore to liquid iron), steelmaking (conversion of pig iron to liquid steel), casting (solidification of the liquid steel) and product rolling (finished shapes). Waste gases are produced mainly by the coke plant, blast furnace and basic oxygen furnace and contribute to the heat balance of the site. C and F not addressed directly