Explanatory notes
… (d) Slag, ash and residues (including sludges, other than sewage sludge), containing metals, arsenic or their mixtures … Note 6 (a) below. 5.- For the purposes of heading 38.25, “sewage sludge” means sludge arising from urban effluent …Legal note
… (d) Slag, ash and residues (including sludges, other than sewage sludge), containing metals, arsenic or their mixtures … Note 6 (a) below. 5.- For the purposes of heading 38.25, “sewage sludge” means sludge arising from urban effluent …