TY - GEN AU - United Nations Environment Programme PY - 1989 SN - 92 807 1160 UR - https://wedocs.unep.org/handle/20.500.11822/29227 LA - English KW - environmental protection KW - environmental policy KW - environmental impact assessment KW - pollutant KW - waste treatment KW - environmentally hazardous substance KW - water quality management KW - waste disposal KW - metalworking industry KW - metallurgical industry KW - metal KW - pollution control KW - environmental aspect TI - Environmental Aspects of the Metal Finishing Industry : A Technical Guide M3 - Technical guideline ER -