This guidance report is a product of activity 4.1 under work package 4 “Best practices in chemicals management in the industry” of the HAZBREF-project. This report addresses the chemical industry and its two sub-sectors: manufacture of large volume inorganic chemicals (with the focus on production of fertilizers) and polymers. The other case sectors are textile industry and surface treatment of metals and plastics which are addressed in separate reports. Aims, areas of interest, methodology and structure This sector-specific report provides guidance to key actors at national level (chemical industries and competent authorities) on how to improve chemical management at installation level. In this respect, it takes reference to relevant requi...