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l1725.fm  Page 45  Friday, March 1, 2002   1:11 AM
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hp L1725 LCD Monitor 
Regulatory Information 
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. 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. 
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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