Mercury banned in batteries from 2000
A technical adaptation to the 1991 EC Directive on batteries will limit mercury levels in alkaline manganese and zinc carbon batteries to 5ppm from 1 January 2000. This will effectively act as a ban, since the limit is similar to the background levels found in other battery components. Button cells, which are used in cameras and hearing aids, are exempt provided their mercury content does not exceed 2% by weight.
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