A central concern from HACH LANGE lies in the security as well as the protection of people and environment. The environmental centre certificates in these two aspects. This year the environmental centre could be certificated successfully again receiving a certificate for the 10th time. In this audit it was verified that: " The requirements of the EfbV with regard to organisation, technology and staff was moved in an excellent way. The voluntary taking back system, linked with own recovery and processing, is extraordinary and innovative."