www.stat.fi/til/jate/jate_2005-01-19_luo_002_en.html
... wastes 03.12 Oils/water emulsions sludges 03.13 Chemical reaction residues 03.14 Spent filtration and absorbent materials 03.2 Industrial effluent sludges 03.21 Sludges from industrial ...
03/23/2006