You must drop it off at a tip, return it to a store when buying an identical product, or benefit from the proximity service « Relais Tri Mobile » (Mobile Sorting Centre). These old mercury models are very high pollutants and are taken in charge by chemists for processing.

For private individuals, access to tips in the CAP AZUR network is free of charge for up to 3 tons per year.
Deposits at the Mobile Sorting Centre are limited to 1 metre in length, 200 litres and 30 kg.