Compaq 5017 Compaq 5017 Flat Panel Monitor User Guide - Page 42

TCO '99 ✎ Bioaccumulative is defined as substances which accumulate within living organisms. 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. ✎ Cadmium is a heavy metal that is Bioaccumulative. 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 there today is no commercially available alternative. TCO aims on removing this exception when a mercury free alternative is available. ✎Mercury is a heavy metal that is Bioaccumulative. D-4 Reference Guide