Chemical Occurrence Data (COD) is a database of geo-referenced monitoring and bio-monitoring data on emerging substances in biota.

The COD database consists of:

COD is designed to allow:

How to submit data

For information and conditions for the inclusion of your data in the LIFE APEX databases, please contact the Coordinator of LIFE APEX – Jaroslav SLOBODNIK.

To include data into the LIFE APEX database, DATA COLLECTION TEMPLATES (DCT) in excel were developed for each of the matrix. These DCTs can be downloaded at

The completed DCTs should be sent to the LIFE APEX database development team: with copy to, for further processing and upload to the web-database.

Large datasets, available in other then excel format can be uploaded as well, after communication with the LIFE APEX team – to check the structure of data, availability of obligatory information and to agree on the optimal way of the data transfer.