The class of environmentally hazardous chemicals has also increased in quantity and the number of products. The collection of data for this class began in 1994 when it was introduced. The mutagenic and teratogenic chemicals used in the construction industry consist mainly of different mostly different lead compounds. Information and other notes on this report Chemicals disturb the environment in many ways. Large quantities of chemicals emanate from discharges from power plants, industrial establishments and sewage treatment works.
Pollution is also due to diffuse discharges of chemicals from a variety of sources.
Knowledge about the use of substances in various sectors of society is essential when goals are set for control of chemicals. Statistics can help in the achievement of this kind of knowledge. Chemicals play an important role in most sectors and we therefore need to have a full view over all business branches and types of products. It also contains statistics on some additional 30 chemicals widely used in many areas. Manufacturers and importers are required by law to report their products to the Products Register.