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Regulatory Information
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TCO Development
SE-114 94 Stockholm, Sweden
Fax: +46 8 782 92 07
Email (Internet): development@tco.se
Current information regarding TCO '99 approved and labeled
products may also be obtained over the Internet, using the address:
www.tco-info.com
Environmental requirements
Flame retardants:
Flame retardants are present in printed circuit boards, cables, wires,
casings and housings. Their purpose is to prevent, or at least to
delay, the spread of fire. Up to 30% of the plastic in a computer
casing can consist of flame retardant substances. Most flame
retardants contain bromine or chloride, and those flame retardants
are chemically related to another group of environmental toxins,
PCBs. Both the flame retardants containing bromine or chloride and
the PCBs are suspected of giving rise to severe health effects,
including reproductive damage in fish-eating birds and mammals,
due to the bio-accumulative*1 processes. Flame retardants have
been found in human blood and researchers fear that disturbances in
foetus development may occur.
The relevant TCO '99 demand requires that plastic components
weighing more than 25 grams must not contain flame retardants with
organically bound bromine or chlorine. Flame retardants are
allowed in the printed circuit boards since no substitutes are
available.
Cadmium:*2*
Cadmium is present in rechargeable batteries and in the colour-
generating layers of certain computer displays. Cadmium damages
the nervous system and is toxic in high doses. The relevant TCO '99
requirement states that batteries, the colour-generating layers of
display screens and the electrical or electronics components must not
contain any cadmium.
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