Classification Detail

The manufacture of asphalt paving and roofing materials; fuel briquettes and packaged fuel from purchased coal or lignite; and compounded and blended lubricating oils and greases from purchased materials. Included is the distillation of coal in coke ovens which are not part of gas or iron and steel works and which while part of iron and steel works, can be reported separately. Coke ovens which are in gas works are classified in group 4102 (Gas manufactures and distribution); coke ovens located in iron and steel works which can not be reported separately are classified in group 3710 (Iron and steel basic industries). The manufacture of fuel briquettes and packaged fuels by coal and lignite mining units is included in group 2100 (Coal mining).