Bedienungsanleitung Samsung SAMTRON 76E (Seite 44 von 45) (Holländisch)

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Why do we have environmentally labelled computers?

In many countries, environmental labelling has become an established method for encouraging the

adaptation of goods and services to the environment. The main problem, as far as computers and other

electronics equipment are concerned, is that environmentally harmful substances are used both in the

products and during their manufacture. Since it is not so far possible to satisfactorily recycle the majority of

electronics equipment, most of these potentially damaging substances sooner or later enter nature.

There are also other characteristics of a computer, such as energy consumption levels, that are important

from the viewpoints of both the work (internal) and natural (external) environments. Since all methods of

electricity generation have a negative effect on the environment (e.g. acidic and climate-influencing

emissions, radioactive waste), it is vital to save energy. Electronics equipment in offices is often left

running continuously and thereby consumes a lot of energy.

What does labelling involve?

The environmental demands has been developed by Svenska Naturskyddsforeningen (The Swedish

Society for Nature Conservation). These demands impose restrictions on the presence and use of heavy

metals, brominated and chlorinated flame retardants, CFCs(freons)and chlorinated solvents, among other

things. The product must be prepared for recycling and the manufacturer is obliged to have an

environmental policy which must be adhered to in each country where the company implements its

operational policy.

The energy requirements include a demand that the computer and/or display, after a certain period of

inactivity, shall reduce its power consumption to a lower level in one or more stages. The length of time to

reactivate the computer shall be reasonable for the user.

Below you will find a brief summary of the environmental requirements met by this product. The complete

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 labelled products may also be obtained via the

Internet, using the address: http://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*

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**

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.

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

labelled unit. There is however one exception. Mercury is, for the time being, permitted in the back light

system of flat panel monitors as today there is no commercially available alternative. TCO aims on

removing this exception when a Mercury free alternative is available.

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 break down ozone and thereby damage the ozone layer in the stratosphere, causing

increased reception on earth of ultraviolet light with e.g. increased risks of skin cancer (malignant

melanoma) as a consequence.

Lead**

Lead can be found in picture tubes, display screens, solders and capacitors. Lead damages the nervous

system and in higher doses, causes lead poisoning. The relevant TCO'99 requirement permits the

inclusion of lead since no replacement has yet been developed.

* Bio-accumulative is defined as substances which accumulate within living organisms.

** Lead, Cadmium and Mercury are heavy metals which are Bio-accumulative.

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