N Related subject areas > N.10 Natural sciences and technology > N.10.01 Earth sciences and environment > N.10.01.04 Pollution and environmental protection > Hazardous substances

B Business economics > B.04 Human resource management > B.04.04 Working conditions and labour-management relations > B.04.04.01 Working conditions > Hazardous substances

N Related subject areas > N.10 Natural sciences and technology > N.10.03 Medical sciences and nutrition > N.10.03.01 Health hazards and diseases > Hazardous substances