Batteries and accumulators containing heavy metals such as mercury, lead, and
cadmium may contaminate the environment if improperly discarded. When incinerated,
certain chemicals are released into the air or concentrated in the ash residue from the
combustion process; this may lead to a health risk to humans, animals and the
environment in general.
In compliance with legal requirements, the symbol of a 'crossed-out wheeled bin' is either
applied on the battery or on its packaging. This symbol indicates that disposal of the
batteries in household waste is strictly prohibited; instead the batteries have to be
disposed of by separate collection and recycling means. Additional marking identifies the
heavy metal content (i.e. Cd = cadmium, Hg = mercury, Pb = lead) as contained within
the battery if over prescribed levels.
End users are obliged by law to comply with the discarding procedure for waste
batteries. At Mitutoyo facilities, or at its appointed distributors, receptacles will be
provided to accept, at no charge, the disposal of previously supplied batteries.