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manual abstract
The main problem, as far as computers and otherelectronics equipment are concerned, is that environmentally harmful substances are used both in theproducts and during their manufacture. Since it is not so far possible to satisfactorily recycle the majority ofelectronics 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 importantfrom the viewpoints of both the work (internal) and natural (external) environments. Since all methods ofelectricity generation have a negative effect on the environment (e.g. acidic and climate-influencingemissions, radioactive waste), it is vital to save energy. Electronics equipment in offices is often left runningcontinuously and thereby consumes a lot of energy. What does labelling involve? The environmental demands has been developed by Svenska Naturskyddsforeningen (The SwedishSociety for Nature Conservation). These demands impose restrictions on the presence and use of heavymetals, brominated and chlorinated flame retardants, CFCs(freons)and chlorinated solvents, among otherthings. The product must be prepared for recycling and the manufacturer is obliged to have anenvironmental policy which must be adhered to in each country where the company implements itsoperational policy. operational policy. The energy requirements include a demand that the computer and/or display, after a certain period ofinactivity, shall reduce its power consumption to a lower level in one or more stages. The length of time toreactivate the computer shall be reasonable for the user. Below you will find a brief summary of the environmental requirements met by this product. The completeenvironmental criteria document may be ordered from: TCO Development SE-114 94 Stockholm, Sweden Fax: +46 8 782 92 07 Email (Internet): development@tco.se Benutzerhandbuch 50 50 Information Current information regarding TCO'99 approved and labelled products may also be obtained via theInternet, using the address: Environmental requirementsFlame retardants Flame retardants are present in printed circuit boards, cables, wires, casings and housings. Their purposeis to prevent, or at least to delay the spread of fire. Up to 30% of the plastic in a computer casing canconsist 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 retardantscontaining bromine or chloride and the PCBs are suspected of giving rise to severe health effects, includingreproductive damage in fish-eating birds and mammals, due to the bio-accumulative* processes. Flameretardants 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 notcontain flame retardants with organically bound bromine or chlorine. Flame retardants are allowed in theprinted circuit boards since no substitutes are available. Cadmium** Cadmium is present in rechargeable batteries and in the colour-generating layers of certain computerdisplays. Cadmium damages the nervous system and is toxic in high doses. The relevant TCO'99requirement states that batteries, the colour-generating layers of display screens and the electrical orelectronics components must not contain any cadmium. Mercury** Mercury is sometimes found in batteries, relays and switches. It damages the nervous system and is toxicin high doses. The relevant TCO'99 requirement states that batteries may not contain any mercury. It alsodemands that mercury is not present in any of the electrical or electronics components associated with thelabelled unit. There is however one exception. Mercury is, for the time being, permitted in the back lightsystem of flat panel monitors as today there is no commercially available alternative. TCO aims onremoving 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 themanufacture and assembly of the product. CFCs (freons) are sometimes used for washing printed circuitboards. CFCs break down ozone and thereby damage the ozone layer in the stratosphere, causingincreased reception on earth of ultraviolet light with e.g. increased risks of skin cancer (malignantmelanoma) as a consequence. Lead** Lead can be found in picture tubes, display screens, solders and capacitors. Lead damages the nervoussystem and in higher doses, causes lead poisoning. The relevant TCO'99 requirement permits the inclusionof 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. Benutzerhandbuch 51 51 Information Autorisierung Ander...