|At 1 January 2016||61||2||5||68|
|Reclassification (to current provisions)||0||(1)||0||(1)|
|Currency translation differences||(1)||0||1||0|
|At 31 December 2016||82||2||6||90|
|At 1 January 2016||12||11||10||33|
|Reclassification (from non-current provisions)||0||1||0||1|
|Currency translation differences||(1)||1||2||2|
|At 31 December 2016||10||23||16||49|
The environmental provision mainly reflects the future expenses for environmental remediation and protection for the plants in Visp (CH) and Castleford (UK) as well as for various other plants of the acquired legacy Arch Chemicals business and is expected to be utilized within ten years. The legacy Arch-related provisions include environmental risks for existing as well as divested plants.
The restructuring provision primarily contains the expected lease termination costs related to the phasedown of the Hopkinton, MA (USA) site amounting to CHF 17 million (2015: CHF 8 million) as well as CHF 6 million (2015: CHF 4 million) in relation to the VispChallenge restructuring program. The implementation of the planned measures is expected to be completed in 2017.
Other provisions are mainly associated with customer claims and the asset retirement obligations of the Singapore-based operations.