The REACH Directive requires the entry of identified applications in substance safety reports. The descriptor model developed for this should simplify this task. The descriptor model consists of five separate descriptors
Exposure scenarios should comprise the complete life cycle of a product, i.e. its inherent application, the use of the substance notified by customers and the application by end consumers incl. recycling or disposal. The exposure scenario is communicated to the customers with the safety data sheet.
Natural or legal person established in the Community who manufactures a substance in the Community. (According to Art. 3, No. 9) Only substance manufacturers are "manufacturers" for the purpose of REACH. A manufacturer of preparations is in this sense only a downstream user.
The SVHC (Substances of Very High Concern) are compiled in the so-called list of candidates. This is intended to identify and, where applicable, control all substances, which, on account of their properties, can cause long-term and irreversible damage to people's health or to the environment.
PBT substances are persistent, bioaccumulating and toxic substances.. Persistent substances remain in the environment for a long time. Bioaccumulating substances become concentrated in biological material. Toxic substances are poisonous substances which cause damage to health in an appropriate concentration.
SVHC substances (Substances of Very High Concern) are carcinogenic, mutagenic or reproductively hazardous (Cat. 1+2), persistent, bioaccumulating and toxic substances. Furthermore, they are substances which "according to scientific knowledge probably have severe effects on human health or on the environment".