| Subject: BTW larry.... |
Author:
sci guy
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Date Posted: 15:37:11 01/15/08 Tue
In reply to:
sci guy
's message, "so sad... you're still a'feared of cfl????" on 22:40:01 01/09/08 Wed
what do you do about the mercury in your thermostats? There's a LOT more mercury in a single one than you'll ever find in a whole house of CFLs
>Compared to incandescent lamps of the same luminous
>flux, CFLs use less energy and have a longer rated
>life. In the United States, a CFL can save over 30 USD
>in electricity costs over the lamp's lifetime compared
>to an incandescent lamp and save 2000 times their own
>weight in greenhouse gases.[2] The purchase price of a
>CFL is higher than that of an incandescent lamp of the
>same luminous output, but this cost is recovered in
>energy savings and replacement costs over the bulb's
>lifetime.
>
>
>
>
>A June 2007 article calculated that the overall
>mercury emission by CFLs is less than the mercury
>released into the atmosphere by coal-fired power
>generation for series of equivalent incandescent lamps
>over the same period.[37] Of course, not all
>electricity is coal-fire generated, but the mercury
>from spent CFLs in landfills is not released into air,
>and with proper disposal, will not be released into
>the subsurface or groundwater in the foreseeable
>future.
>
>
>
>href="http://en.wikipedia.org/wiki/Compact_flourescent"
>>http://en.wikipedia.org/wiki/Compact_flourescent
>>run hide the new enviro danger just poped up. send in
>>your cash we need to fund a new way to recycle the
>>bulbs in a safe maner. send cash now. visa and master
>>card welcome.
>>
>>Less than a month after the U.S. Congress passed an
>>energy bill banning the incandescent light bulb by
>>2014, the UK Environment Agency issued guidelines
>>calling for evacuation of any room where an
>>energy-saving compact fluorescent light bulb is
>>broken, releasing toxic mercury.
>>
>>The warning comes a month before the British
>>government begins its phase-out of tungsten bulbs,
>>scheduled to be completed in 2011. The switchover to
>>CFL bulbs will save at least five million tons of
>>carbon dioxide emissions every year, the government
>>said.
>>
>>Health experts warned this week that people with
>>certain skin ailments will suffer from the new
>>eco-friendly bulbs which cause conditions such as
>>eczema to flare up. Additionally, the bulbs have been
>>linked to migraine headaches in some people.
>>
>>The Environment Agency's latest advice focuses on the
>>6 to 8 milligrams of toxic mercury in each bulb.
>>
>>Users who break a bulb should vacate the room for at
>>least 15 minutes, the new guidelines say. The debris
>>should not be removed with a vacuum cleaner, which
>>could put toxic dust into the air, but with rubber
>>gloves. The broken glass and all residue is to be
>>placed into a sealed plastic bag and taken to a local
>>official recycling site for proper disposal.
>>
>>"Because these light bulbs contain small amounts of
>>mercury, they could cause a problem if disposed of in
>>a normal bin," environmental scientist Dr David
>>Spurgeon told the London Daily Mail.
>>
>>"It is possible that the mercury could be released
>>into the air or from land-fill when they are released
>>into the wider environment. That is a concern, because
>>mercury is a well-known toxic substance."
>>
>>The Environmental Agency noted that neither warnings
>>about the bulbs' toxicity nor directions for proper
>>disposal is printed on any packaging.
>>
>>Such warnings aren't necessary, said one toxicologist
>>who said a number of bulbs would have to be smashed
>>simultaneously before there was a danger.
>>
>>"Mercury accumulates in the body – especially the
>>brain," Dr. David Ray, from the University of
>>Nottingham, told the BBC. "The biggest danger is
>>repeated exposure – a one off exposure is not as
>>potentially dangerous compared to working in a light
>>bulb factory.
>>
>>"If you smash one bulb then that is not too much of a
>>hazard. However, if you broke five bulbs in a small
>>unventilated room then you might be in short term
>>danger."
>>
>>The most-immediate hazard from the CFL bulbs may be to
>>Brits' pocketbooks. It costs about $1,300 to properly
>>dispose of one municipal recycling bin full of bulbs –
>>a figure that is sure to increase residents' tax bills
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