environment survey

Health

Reference and HBM Values

Urine and blood specimen in tubes on a questionaire for laboratory analysis

The reference value allows the comparison of the exposure of individuals or population groups with the background exposure. Since environmental conditions are changing reference values are checked continuously and are updated if new information becomes available.The reference value for a chemical substance in human biological material (e.g. blood, urine) is derived according to a defined statistic... read more

Noise

Damage to hearing

An excess of sound, whether in intensity or duration, can generate adverse effects or permanent damage to the hearing. Hearing can be damaged to the point of clinical deafness, and short- or long-term ringing in the ears (tinnitus) can result. This can be brought about either by exposure to continuous sound or by short-lived sound peaks. Such high levels of sound are not only found in the workplac... read more

The Umweltbundesamt

For our environment