Computer Technician's Guide to Electronics Disposal and Recycling
By Stephen Bucaro
Nothing becomes obsolete faster than computer equipment. Remember PCs based
on the Intel 80386 and 80486 processor? Heck, even PC's based on the Intel Pentium
processor are obsolete today. And who still uses a clunky old cathode ray tube monitor?
When all this obsolete electronics is disposed of, it creates an enormous amount of waste.
The United States alone creates about 3 million tons of electronics waste each year.
Actually cathode ray tubes are one of the most difficult types of electronics waste to
dispose of because they contain high concentration of lead and phosphors. Other toxic
substances found in disposed electronics include epoxy resins, fiberglass, PCBs, PVC,
cadmium, mercury, thallium, arsenic, and barium. Electronics waste produces a veritable
cocktail of toxic waste.
Some electronics waste, such as circuit boards contain valuable metals as copper, silver,
gold, and platinum. In order to achieve maximum profit in recycling these metals, much
of this electronics waste is sent to developing nations where primitive processing methods
cause serious health and pollution problems.
Your first thought in disposing of old computer equipment should be to donate it to
a school or charity. For example most states have a branch of StRUT (Students Recycling
Used Technology) where you can donate old computer equipment. They use aging or
broken computers and other equipment to teach high school students valuable high-tech
skills. StRUT then donates the refurbished machines to non-profit organizations and schools.
If you want to send the old computer equipment directly to a recycler, search google with
the phrase "recycle computers [your city]". In the search results study the companies
information to determine if they actually recycle most of the materials collected them self,
of if they export it to one of those developing nations.
Study the companies information to determine if the recycler is ISO 14001 certified and
if it follows industry standards. ISO 14001 certified companies must take measures to
minimize how their operations negatively affect the environment and must comply with
applicable laws and regulations.
In addition to choosing a reputable recycler, it's important to prepare your computer
for recycling. One important thing is to clean all data from the computers hard drive
before sending it off for recycling. Just deleting the files from the disk isn't enough.
Deleting the files is like removing the table of contents. The files are still there, and
it's very easy to undelete them. Even formatting a hard drive leaves open the possibility
to recover the data.
Disk Wipe is a free, portable
Windows application for removing all disk data and preventing recovery of that data.
Disk Wipe uses powerful algorithms which fill the volume with useless rubbish binary
data multiple times. The possibility of recovering information from drive formatted
with Disk Wipe is almost non existent. Disk Wipe is released under GNU - General Public
License - free for personal or commercial use, without any restrictions.
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