Section 05 Mineral products 26 Ores, slag and ash 26 20 Ash and residues containing arsenic, or their metallic compounds 26 20 21 Leaded gasoline sludges and leaded anti-knock compound sludges 26 20 21 00 Leaded gasoline sludges and leaded anti-knock compound sludges Commodity Code Description 26 20 21 00 000 Leaded gasoline sludges and leaded anti-knock compound sludges
