PC Troubleshooting Workshops


Thursday, August 31, 2006

Watch what you throw away

Some materials is used to make computers are highly toxic and can cause environmental and health problems if they are released into the water, landfills or air during disposal.


  • Lead found in CRT monitors and the soldering in circuit boards.
    Dangers: damages the central nervous system, blood and kidneys.
  • Cadmium and Selenium in circuit boards.
    Dangers: Accumulates in the kidney causing irreversible damage.
  • Brominated flames retardants in plastic covers, cables, connectors.
    Dangers: Triggers strong allergic reactions, asthmatic bronchitis and also causes DNA damage.
  • Mercury in switches and housing found on circuit boards.
    Dangers: May cause brain damage.
  • Polyvinyl chloride and plastics.
    Dangers: Pollutes the environment and releases toxins when incinerated.


  • Copper and aluminum in cables, connectors.
  • Iron from CPU tower and monitor casing.
  • Zinc from cathode ray tube (CRT) screen, printed circuit boards.
  • Gold, silver and platinum from printed circuit boards and connectors.


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