Philips 170N4 Computer Monitor User Manual


 
Regulatory Information
Information for
UK only
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environmental criteria document may be ordered from:
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 via the
Internet, using the address: http://www.tco-info.com/
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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* processes. Flame
retardants have been found in human blood and researchers fear that disturbances in fetus 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**
Cadmium is present in rechargeable batteries and in the color-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 color-generating layers of display screens and the electrical or
electronics components must not contain any cadmium.
Mercury**
Mercury is sometimes found in batteries, relays and switches. It damages the nervous system and is toxic in
high doses. The relevant TCO'99 requirement states that batteries may not contain any mercury. It also
demands that mercury is not present in any of the electrical or electronics components associated with the
labeled unit.
CFCs (freons)
The relevant TCO'99 requirement states that neither CFCs nor HCFCs may be used during the manufacture
and assembly of the product. CFCs (freons) are sometimes used for washing printed circuit boards. CFCs
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