Carbolineum is an oil - water emulsion of creosote containing dissolved phenols, PAH and VOH (Volatile Organic Hydrocarbons ).
Carbolineum (Latin: carbo = coal and oleum = oil) is a thin viscous, reddish-brown liquid from coal distillation. It was a classic wood preservative, but is carcinogenic and banned. It is also called creosote, tar oil and carbo (l).
The substance was used as an insecticide, and in order to protect against rot and fungi, e.g. wood. Also on telephone poles, railway sleepers...