EPA primary iron and steel production

Required
Quantity of carbonate flux
Optional
Carbon content of blast furnace gas
Quantity of blast furnace gas sold
Carbon content of coke
Carbon content of coke oven gas
Quantity of coke oven gas sold
Quantity of coke sold
Carbon content of flux
Purity of carbonate flux
Carbon content of iron
Quantity of iron sold
Carbon content of residual oil
Quantity of residual oil sold
Carbon content of steel
Quantity of steel sold
Carbon content of tar
Quantity of tar sold