HP P720 User Guide

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HP 17” Color Monitor User’s Guide
Regulatory Information
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): [email protected]
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
1 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
2 
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
2 
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.
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
2
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.
1. Bio-accumulative is defined as substances which accumulate within living organisms
2. Lead, Cadmium and Mercury are heavy metals which are Bio-accumulative.
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