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	<title>Comments on: Mercury Risk in CFLs: The Facts</title>
	<atom:link href="http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/</link>
	<description>Blogging the science and policy of global warming</description>
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		<title>By: Let Every Day &#171; a Green America</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-5579</link>
		<dc:creator>Let Every Day &#171; a Green America</dc:creator>
		<pubDate>Sun, 02 Aug 2009 22:27:25 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-5579</guid>
		<description>[...] remove him or her from the room for a little while, but no reason to freak, for reasons explained here. CFLs should also be disposed of properly, and this link will help you find a place by you to do [...]</description>
		<content:encoded><![CDATA[<p>[...] remove him or her from the room for a little while, but no reason to freak, for reasons explained here. CFLs should also be disposed of properly, and this link will help you find a place by you to do [...]</p>
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		<title>By: Project &#8220;Small Feet&#8221; &#187; Path to enlightenment. Step 1_Research</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-2548</link>
		<dc:creator>Project &#8220;Small Feet&#8221; &#187; Path to enlightenment. Step 1_Research</dc:creator>
		<pubDate>Mon, 02 Mar 2009 00:38:45 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-2548</guid>
		<description>[...] mercury scare is rather overblown, but you should recycle the bulbs [...]</description>
		<content:encoded><![CDATA[<p>[...] mercury scare is rather overblown, but you should recycle the bulbs [...]</p>
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		<title>By: sarah</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1993</link>
		<dc:creator>sarah</dc:creator>
		<pubDate>Wed, 14 Jan 2009 18:26:33 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1993</guid>
		<description>Great blog.  Great comments. True that the CFLs contain small amounts of mercury, but when everyone starts to dispose of these and they hit our landfills and aquifers that&#039;s where the problems are going to start.  We have a solution to the disposal of CFLs and fluorescent tube lighting.  We have a machine that crushes and safely extracts the mercury.  

It is called the E-Lampinator.  

Check out our website.  
www.communityenvironmentalliance.com</description>
		<content:encoded><![CDATA[<p>Great blog.  Great comments. True that the CFLs contain small amounts of mercury, but when everyone starts to dispose of these and they hit our landfills and aquifers that&#039;s where the problems are going to start.  We have a solution to the disposal of CFLs and fluorescent tube lighting.  We have a machine that crushes and safely extracts the mercury.  </p>
<p>It is called the E-Lampinator.  </p>
<p>Check out our website.<br />
<a href="http://www.communityenvironmentalliance.com" rel="nofollow">http://www.communityenvironmentalliance.com</a></p>
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		<title>By: CFL Bulb Review: Recommended CFL Bulbs to Replace Incandescent &#124; Five Percent: Conserve a Little Energy</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1767</link>
		<dc:creator>CFL Bulb Review: Recommended CFL Bulbs to Replace Incandescent &#124; Five Percent: Conserve a Little Energy</dc:creator>
		<pubDate>Tue, 09 Sep 2008 20:22:46 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1767</guid>
		<description>[...] Recently, there has been a lot written about the fact that CFLs contain mercury, and this is true. However, the actual risk to you is small, and this is especially true if you stick with high-quality, well-manufactured bulbs. Here&#8217;s a good article on the facts about mercury in CFLs. [...]</description>
		<content:encoded><![CDATA[<p>[...] Recently, there has been a lot written about the fact that CFLs contain mercury, and this is true. However, the actual risk to you is small, and this is especially true if you stick with high-quality, well-manufactured bulbs. Here&#039;s a good article on the facts about mercury in CFLs. [...]</p>
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		<title>By: patdecat</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1593</link>
		<dc:creator>patdecat</dc:creator>
		<pubDate>Thu, 10 Jul 2008 17:42:48 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1593</guid>
		<description>Well I guess if the Chinese are using mercury filled bulbs then the bulbs got to be all good because we all know how well they treat their people and care about the environment. Fact is mercury is still toxic to a humans just as asbestos is toxic and there were many applications were asbestos was used where it was completely contained. If we use the bend over backward reasoning for why it is safe to use CFL then we should mandate that all homes install asbestos siding because as long as you do not damage the siding then the asbestos is completely harmless.

Good for the Chinese ,gosh darn it, they have a much less polluted country then the US. Why the way some of the blame America first and always crowd tend make one think that China is cleanest nation on the earth and that they can do no wrong when it comes to pollution as a matter of fact the only nation that contributes to the junk science of Climate change is the US.</description>
		<content:encoded><![CDATA[<p>Well I guess if the Chinese are using mercury filled bulbs then the bulbs got to be all good because we all know how well they treat their people and care about the environment. Fact is mercury is still toxic to a humans just as asbestos is toxic and there were many applications were asbestos was used where it was completely contained. If we use the bend over backward reasoning for why it is safe to use CFL then we should mandate that all homes install asbestos siding because as long as you do not damage the siding then the asbestos is completely harmless.</p>
<p>Good for the Chinese ,gosh darn it, they have a much less polluted country then the US. Why the way some of the blame America first and always crowd tend make one think that China is cleanest nation on the earth and that they can do no wrong when it comes to pollution as a matter of fact the only nation that contributes to the junk science of Climate change is the US.</p>
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		<title>By: Sheryl Canter</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1587</link>
		<dc:creator>Sheryl Canter</dc:creator>
		<pubDate>Wed, 09 Jul 2008 18:37:29 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1587</guid>
		<description>&lt;i&gt;&gt; Say can any of you tell me what China is using to light their homes?&lt;/i&gt;

The Chinese are using compact fluorescents. In fact, they have agreed to phase out incandescent bulbs entirely - they figure it will take about 10 years. They are the first developing nation to make this commitment:

http://www.reuters.com/article/summitNews/idUSN0132741220071001</description>
		<content:encoded><![CDATA[<p><i>&gt; Say can any of you tell me what China is using to light their homes?</i></p>
<p>The Chinese are using compact fluorescents. In fact, they have agreed to phase out incandescent bulbs entirely &#8211; they figure it will take about 10 years. They are the first developing nation to make this commitment:</p>
<p><a href="http://www.reuters.com/article/summitNews/idUSN0132741220071001" rel="nofollow">http://www.reuters.com/article/summitNews/idUSN0132741220071001</a></p>
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		<title>By: patdecat</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1573</link>
		<dc:creator>patdecat</dc:creator>
		<pubDate>Sun, 06 Jul 2008 16:51:47 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1573</guid>
		<description>Compact fluorescents bulbs, now that is a “GREAT IDEA” …. Hum now the last time I looked at a pack of Compact Fluorescent bulbs I noticed two things; 1. Made in China and 2. Contains mercury (please dispose of in accordance to local laws) . 

Kind of interesting that when you Global Warming Alarmists are in favor of something you will bend over backwards to excuse and play down and ill effects of what you are pimping. Say can any of you tell me what China is using to light their homes? It would be interesting to find out that the Chinese  might be using the old fashion bulb while they flood our nation and then our landfills with tons of mercury. As a side have any of you ever considered that maybe running Atomic power plants might not have as many problems as you once thought.</description>
		<content:encoded><![CDATA[<p>Compact fluorescents bulbs, now that is a “GREAT IDEA” …. Hum now the last time I looked at a pack of Compact Fluorescent bulbs I noticed two things; 1. Made in China and 2. Contains mercury (please dispose of in accordance to local laws) . </p>
<p>Kind of interesting that when you Global Warming Alarmists are in favor of something you will bend over backwards to excuse and play down and ill effects of what you are pimping. Say can any of you tell me what China is using to light their homes? It would be interesting to find out that the Chinese  might be using the old fashion bulb while they flood our nation and then our landfills with tons of mercury. As a side have any of you ever considered that maybe running Atomic power plants might not have as many problems as you once thought.</p>
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		<title>By: Environmental Defense Fund: Easy Recycling of Compact Fluorescent Light Bulbs : Sustainablog</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1566</link>
		<dc:creator>Environmental Defense Fund: Easy Recycling of Compact Fluorescent Light Bulbs : Sustainablog</dc:creator>
		<pubDate>Thu, 03 Jul 2008 22:24:27 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1566</guid>
		<description>[...] But some people fear CFLs because of the tiny amount of mercury they contain. The risk from a broken CFL is extremely small, but CFLs should be disposed of properly so landfills aren&#8217;t polluted. Sealing used bulbs in [...]</description>
		<content:encoded><![CDATA[<p>[...] But some people fear CFLs because of the tiny amount of mercury they contain. The risk from a broken CFL is extremely small, but CFLs should be disposed of properly so landfills aren&#039;t polluted. Sealing used bulbs in [...]</p>
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		<title>By: GREENer HOUSE &#187; Quicksilver</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-1053</link>
		<dc:creator>GREENer HOUSE &#187; Quicksilver</dc:creator>
		<pubDate>Wed, 09 Apr 2008 09:29:54 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-1053</guid>
		<description>[...] to a source of dangerous mercury in their homes. John Balbus, M.D., the Chief Health Officer at Environmental Defense, writes The exposure from breaking a compact fluorescent bulb is in about the same range as the exposure [...]</description>
		<content:encoded><![CDATA[<p>[...] to a source of dangerous mercury in their homes. John Balbus, M.D., the Chief Health Officer at Environmental Defense, writes The exposure from breaking a compact fluorescent bulb is in about the same range as the exposure [...]</p>
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		<title>By: lees</title>
		<link>http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/comment-page-1/#comment-916</link>
		<dc:creator>lees</dc:creator>
		<pubDate>Thu, 13 Mar 2008 23:54:12 +0000</pubDate>
		<guid isPermaLink="false">http://blogs.edf.org/climate411/2007/07/31/cfl_mercury-2/#comment-916</guid>
		<description>&gt;&gt;Because they so dramatically reduce energy use, and coal-generated electricity releases much more mercury than a CFL ever could.&lt;&lt;

This, unfortunately, is where Mr. Balbus strays into &quot;I-read-it-somewhere&quot; territory. 

The figure often cited (the EPA, more than one coal industry group, and various researchers) for coal plant mercury pollution is .0234 milligrams/kWh of *coal* generated power (http://www.popularmechanics.com/blogs/home_journal_news/4217864.html). Coal contributes slightly over 50% of our energy needs in the US. The burden nationwide, on average, is then .0117 mg/kWh.Yes, you may burn 80% or 90% coal in your light bulbs, but as a nation, the .0117 number is the one to use when evaluating widespread adoption. This means a 22W CFL (about equivalent to a 100W incandescent in light emission) with a rated life of 6000 hours will, on average, represent about 1.5mg of mercury emissions from a coal plant in its rated lifetime. A 100W incandescent will represent an emission of about 7mg in the same time period. At the end of that life, the CFL will put around 4mg (perhaps much higher in some brands and lower in others) plus 1.5mg into the environment. We can argue all day about which form of mercury is worse, but first lets look at the myth that CFL’s use less mercury.

To produce purified mercury in a CFL, the extraction process releases about .4mg for every milligram produced into the waterways, atmosphere, and soil as waste. This is a well-established worldwide average that includes many processes, both crude and hi-tech. This means that the 4mg in the CFL actually represents 5.6mg of mercury that enters our environment. Adding the coal energy contribution means the CFL’s account for 7.1mg versus 7mg for incandescents.

Add to this the Lawrence Livermore Laboratories study that concluded that the average CFL life is reduced by 50% where they are turned on and off every hour and the mercury contribution goes up to a whopping 13.6mg or so. The reduction in incandescent life for the same use model (20%) does not affect its mercury consumption and it remains at 7mg or so. The same study concluded that a 30 minute use model reduced the CFL life by 85%…which would mean CFL&#039;s would use ..gulp.. 38.8mg of mercury by the time the rated life of the CFL was reached…compared to the 7mg used by the incandescents.

These are real numbers. CFL’s can offer significant energy savings in general. However, the thrust of a lot of pro-CFL articles in addressing mercury emissions is completely unfettered by reality by claiming less mercury pollution is generated through CFL adoption. CFL’s will use a lot more mercury than incandescents, period. How unhealthy that mercury is is a valid debate, however.</description>
		<content:encoded><![CDATA[<p>&gt;&gt;Because they so dramatically reduce energy use, and coal-generated electricity releases much more mercury than a CFL ever could.&lt;&lt;</p>
<p>This, unfortunately, is where Mr. Balbus strays into &#034;I-read-it-somewhere&#034; territory. </p>
<p>The figure often cited (the EPA, more than one coal industry group, and various researchers) for coal plant mercury pollution is .0234 milligrams/kWh of *coal* generated power (<a href="http://www.popularmechanics.com/blogs/home_journal_news/4217864.html)" rel="nofollow">http://www.popularmechanics.com/blogs/home_journal_news/4217864.html)</a>. Coal contributes slightly over 50% of our energy needs in the US. The burden nationwide, on average, is then .0117 mg/kWh.Yes, you may burn 80% or 90% coal in your light bulbs, but as a nation, the .0117 number is the one to use when evaluating widespread adoption. This means a 22W CFL (about equivalent to a 100W incandescent in light emission) with a rated life of 6000 hours will, on average, represent about 1.5mg of mercury emissions from a coal plant in its rated lifetime. A 100W incandescent will represent an emission of about 7mg in the same time period. At the end of that life, the CFL will put around 4mg (perhaps much higher in some brands and lower in others) plus 1.5mg into the environment. We can argue all day about which form of mercury is worse, but first lets look at the myth that CFL’s use less mercury.</p>
<p>To produce purified mercury in a CFL, the extraction process releases about .4mg for every milligram produced into the waterways, atmosphere, and soil as waste. This is a well-established worldwide average that includes many processes, both crude and hi-tech. This means that the 4mg in the CFL actually represents 5.6mg of mercury that enters our environment. Adding the coal energy contribution means the CFL’s account for 7.1mg versus 7mg for incandescents.</p>
<p>Add to this the Lawrence Livermore Laboratories study that concluded that the average CFL life is reduced by 50% where they are turned on and off every hour and the mercury contribution goes up to a whopping 13.6mg or so. The reduction in incandescent life for the same use model (20%) does not affect its mercury consumption and it remains at 7mg or so. The same study concluded that a 30 minute use model reduced the CFL life by 85%…which would mean CFL&#039;s would use ..gulp.. 38.8mg of mercury by the time the rated life of the CFL was reached…compared to the 7mg used by the incandescents.</p>
<p>These are real numbers. CFL’s can offer significant energy savings in general. However, the thrust of a lot of pro-CFL articles in addressing mercury emissions is completely unfettered by reality by claiming less mercury pollution is generated through CFL adoption. CFL’s will use a lot more mercury than incandescents, period. How unhealthy that mercury is is a valid debate, however.</p>
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