DSI, Rheinberg. 26202100 (01/2002-..) Leaded gasoline sludges and leaded anti-knock compound sludges, obtained from storage tanks of leaded gasoline and leaded anti-knock compounds and containing mainly lead, lead compounds and iron oxide: Verkaufte Produktion 26202100 Speichereinheiten /in 1000 p/st /Meldeland: Schweden.