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	<title>Comments on: Barium Chemtrails on KSLA</title>
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	<link>http://contrailscience.com/barium-chemtrails/</link>
	<description>The Science and Pseudoscience of Contrails and Chemtrails</description>
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		<title>By: JazzRoc</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48667</link>
		<dc:creator>JazzRoc</dc:creator>
		<pubDate>Sun, 25 Jul 2010 20:56:58 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48667</guid>
		<description>ruffneck: &lt;blockquote&gt;&quot;we are the lab rats and always will be&quot;&lt;/blockquote&gt;
H2S (hydrogen sulfide) may be new to you but has been known for hundreds of years.
Our school chemmy lab always reeked of the Kipps Apparatus, even though it was drained and standing within a fume cupboard.
The truth of it is that if you can smell it, then the concentration in air isn&#039;t dangerous. It&#039;s when your nose is overwhelmed by it, and yu can no longer smell it that it is dangerous.
Because it has a smell it is less dangerous than carbon monoxide, which is equally poisonous (and for similar reasons), but has no smell at all.
In air, sunlight and moisture, hydrogen sulfide will oxidize to hydrosulfurous acid in a short space of time. It is found in nature venting from volcanoes and mudpools, and anaerobic conditions in swamps and sewers.
Stop thinking you&#039;re a lab rat. :)</description>
		<content:encoded><![CDATA[<p>ruffneck:<br />
<blockquote>&#8220;we are the lab rats and always will be&#8221;</p></blockquote>
<p>H2S (hydrogen sulfide) may be new to you but has been known for hundreds of years.<br />
Our school chemmy lab always reeked of the Kipps Apparatus, even though it was drained and standing within a fume cupboard.<br />
The truth of it is that if you can smell it, then the concentration in air isn&#8217;t dangerous. It&#8217;s when your nose is overwhelmed by it, and yu can no longer smell it that it is dangerous.<br />
Because it has a smell it is less dangerous than carbon monoxide, which is equally poisonous (and for similar reasons), but has no smell at all.<br />
In air, sunlight and moisture, hydrogen sulfide will oxidize to hydrosulfurous acid in a short space of time. It is found in nature venting from volcanoes and mudpools, and anaerobic conditions in swamps and sewers.<br />
Stop thinking you&#8217;re a lab rat. <img src='http://contrailscience.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
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		<title>By: faithinscience</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48666</link>
		<dc:creator>faithinscience</dc:creator>
		<pubDate>Sun, 25 Jul 2010 20:38:54 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48666</guid>
		<description>I hypothesize that clouds are made of milk because they are white. Prove me wrong...please! 

&quot; My point is this, evolution has become an established fact despite it’s lack of physical evidence.&quot;

BULLSHIT! There is more than enough evidence to prove evolution. Where did YOU learn about the subject?! Answersingenisis.com?!  Wow, it&#039;s amazing what people will believe!</description>
		<content:encoded><![CDATA[<p>I hypothesize that clouds are made of milk because they are white. Prove me wrong&#8230;please! </p>
<p>&#8221; My point is this, evolution has become an established fact despite it’s lack of physical evidence.&#8221;</p>
<p>BULLSHIT! There is more than enough evidence to prove evolution. Where did YOU learn about the subject?! Answersingenisis.com?!  Wow, it&#8217;s amazing what people will believe!</p>
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		<title>By: ruffneck</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48661</link>
		<dc:creator>ruffneck</dc:creator>
		<pubDate>Sun, 25 Jul 2010 16:44:30 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48661</guid>
		<description>Its just a test no worries side effects are limited. In the oilfield we are required to posses a H2S ticket, hydrogen sulfide is a very effective killer. I have asked instructors if there has been tests conducted for long term exposure of small amounts over a long period of time, it appears that we are the lab rats and always will be.</description>
		<content:encoded><![CDATA[<p>Its just a test no worries side effects are limited. In the oilfield we are required to posses a H2S ticket, hydrogen sulfide is a very effective killer. I have asked instructors if there has been tests conducted for long term exposure of small amounts over a long period of time, it appears that we are the lab rats and always will be.</p>
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		<title>By: JazzRoc</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48657</link>
		<dc:creator>JazzRoc</dc:creator>
		<pubDate>Sun, 25 Jul 2010 15:36:37 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48657</guid>
		<description>faithinscience: &lt;blockquote&gt;Isn’t the jet fuel in the jet fuel more harmful than any additive?&lt;/blockquote&gt;
&lt;b&gt;Toxicologic Assessment of Jet-Propulsion Fuel 8 (2003)
Board on Environmental Studies and Toxicology (BEST)&lt;/b&gt;
http://www.nap.edu/openbook.php?record_id=10578&amp;page=7


&lt;blockquote&gt;&lt;em&gt;Conclusions: JP-8 was found to be potentially toxic to the immune system, respiratory tract, and nervous system at exposure concentrations near the interim PEL of 350 mg/m3. Those toxicities are summarized below.
Immune System: Inhalation exposure of mice to JP-8 aerosols at a concentration of 100 mg/m3 for 1 hr/day for 7 days led to decreased cellularity of the thymus; exposure at 500 mg/m3 for 1 hr/day for 7 days led to decreased spleen weight and cellularity; and exposure at 1,000 mg/m3  for 1 hr/day for 7 days led to decreased ability of spleen cells to mediate several immune responses. The subcommittee reviewed the methods used to generate the exposure atmospheres in the studies using JP-8 aerosols and suspects that the total JP-8 concentrations in the atmosphere may have been underreported.
Respiratory Tract: Animal studies conducted in rats and mice suggest that mixtures of JP-8 vapors and aerosols can result in pulmonary inflammation and alterations in pulmonary functions; such effects have been reported in mice exposed at concentrations as low as 50 mg/m3 for 1 hr per day for 7 days. As in the immune-system studies described above, the subcommittee suspects that the JP-8 concentrations in these studies may have been underreported.
Nervous System: The findings provide further indication that the interim PEL of 350 mg/m3 might be too high to be protective of human health.
Cancer: The carcinogenicity of JP-8 has not been investigated in epidemiologic studies or in chronic lifetime inhalation-exposure studies in experimental animals. Ninety-day continuous inhalation-exposure studies of JP-5 have been conducted in mice exposed at a concentration of 750 mg/m3, and no increase in the incidence of tumors was observed. The carcinogenicity data available on mixtures similar to JP-8 (such as other jet fuels and middle distillates) indicate that most of these materials induce skin tumors in mice when topically applied in excessive amounts and under conditions of excessive skin irritation.
Other Toxicity End Points: The subcommittee further concludes that in addition to inhalation exposures, the potential exists for a substantial contribution to the overall JP-8 exposure by the dermal route, including mucous membranes and the eyes, either by contact with vapors and aerosols or by direct skin contact with JP-8. It should be noted that earlier this year, the American Conference of Governmental Industrial Hygienists proposed a Threshold Limit Value for kerosene and jet fuels, as a total hydrocarbon vapor, of 200 mg/m3.2 Also, ExxonMobil Biomedical Sciences, Inc., has set an occupational exposure level of 5 mg/m3 for kerosene and middle distillate fuel aerosols.
Recommendations: The subcommittee strongly recommends that a battery of inhalation-toxicity tests in experimental animals be conducted with JP-8 vapors and mixtures of vapors and aerosols. The lifetime carcinogenicity of JP-8 has not been studied.&lt;/em&gt;&lt;/blockquote&gt;



Yes.

But not after it is BURNT.</description>
		<content:encoded><![CDATA[<p>faithinscience:<br />
<blockquote>Isn’t the jet fuel in the jet fuel more harmful than any additive?</p></blockquote>
<p><b>Toxicologic Assessment of Jet-Propulsion Fuel 8 (2003)<br />
Board on Environmental Studies and Toxicology (BEST)</b><br />
<a href="http://www.nap.edu/openbook.php?record_id=10578&amp;page=7" rel="nofollow">http://www.nap.edu/openbook.php?record_id=10578&amp;page=7</a></p>
<blockquote><p><em>Conclusions: JP-8 was found to be potentially toxic to the immune system, respiratory tract, and nervous system at exposure concentrations near the interim PEL of 350 mg/m3. Those toxicities are summarized below.<br />
Immune System: Inhalation exposure of mice to JP-8 aerosols at a concentration of 100 mg/m3 for 1 hr/day for 7 days led to decreased cellularity of the thymus; exposure at 500 mg/m3 for 1 hr/day for 7 days led to decreased spleen weight and cellularity; and exposure at 1,000 mg/m3  for 1 hr/day for 7 days led to decreased ability of spleen cells to mediate several immune responses. The subcommittee reviewed the methods used to generate the exposure atmospheres in the studies using JP-8 aerosols and suspects that the total JP-8 concentrations in the atmosphere may have been underreported.<br />
Respiratory Tract: Animal studies conducted in rats and mice suggest that mixtures of JP-8 vapors and aerosols can result in pulmonary inflammation and alterations in pulmonary functions; such effects have been reported in mice exposed at concentrations as low as 50 mg/m3 for 1 hr per day for 7 days. As in the immune-system studies described above, the subcommittee suspects that the JP-8 concentrations in these studies may have been underreported.<br />
Nervous System: The findings provide further indication that the interim PEL of 350 mg/m3 might be too high to be protective of human health.<br />
Cancer: The carcinogenicity of JP-8 has not been investigated in epidemiologic studies or in chronic lifetime inhalation-exposure studies in experimental animals. Ninety-day continuous inhalation-exposure studies of JP-5 have been conducted in mice exposed at a concentration of 750 mg/m3, and no increase in the incidence of tumors was observed. The carcinogenicity data available on mixtures similar to JP-8 (such as other jet fuels and middle distillates) indicate that most of these materials induce skin tumors in mice when topically applied in excessive amounts and under conditions of excessive skin irritation.<br />
Other Toxicity End Points: The subcommittee further concludes that in addition to inhalation exposures, the potential exists for a substantial contribution to the overall JP-8 exposure by the dermal route, including mucous membranes and the eyes, either by contact with vapors and aerosols or by direct skin contact with JP-8. It should be noted that earlier this year, the American Conference of Governmental Industrial Hygienists proposed a Threshold Limit Value for kerosene and jet fuels, as a total hydrocarbon vapor, of 200 mg/m3.2 Also, ExxonMobil Biomedical Sciences, Inc., has set an occupational exposure level of 5 mg/m3 for kerosene and middle distillate fuel aerosols.<br />
Recommendations: The subcommittee strongly recommends that a battery of inhalation-toxicity tests in experimental animals be conducted with JP-8 vapors and mixtures of vapors and aerosols. The lifetime carcinogenicity of JP-8 has not been studied.</em></p></blockquote>
<p>Yes.</p>
<p>But not after it is BURNT.</p>
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		<title>By: captfitch</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48652</link>
		<dc:creator>captfitch</dc:creator>
		<pubDate>Sun, 25 Jul 2010 14:01:40 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48652</guid>
		<description>Probably but at least we know what&#039;s in the jet fuel- additives could be anything.</description>
		<content:encoded><![CDATA[<p>Probably but at least we know what&#8217;s in the jet fuel- additives could be anything.</p>
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		<title>By: faithinscience</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48648</link>
		<dc:creator>faithinscience</dc:creator>
		<pubDate>Sun, 25 Jul 2010 10:29:36 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48648</guid>
		<description>Isn&#039;t the jet fuel in the jet fuel is more harmful than any additive.</description>
		<content:encoded><![CDATA[<p>Isn&#8217;t the jet fuel in the jet fuel is more harmful than any additive.</p>
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		<title>By: captfitch</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48633</link>
		<dc:creator>captfitch</dc:creator>
		<pubDate>Sun, 25 Jul 2010 02:45:42 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48633</guid>
		<description>I don&#039;t get it- here I am, admitting that I frequently request or deny an extra ingredient be added to my jet fuel and you easily brush it off?  Frankly, if someone were to tell me tomorrow that yes, chemtrails are real and Prist is the culprit I might actually believe them.  It&#039;s the ONLY possible thing that even remotely fits into the chemtrail picture.  None of us really know what it is except its dangerous as hell- is an anti-microbial (maybe?) is an anti-icing agent (maybe) and you can have it added or not added without any questions.  But whatever, I think you&#039;re generally more interested in arguing about the argument then actually discussing semantics and specifics but I also think that without some specifics we could all be here a very long time trying to prove our general positions.</description>
		<content:encoded><![CDATA[<p>I don&#8217;t get it- here I am, admitting that I frequently request or deny an extra ingredient be added to my jet fuel and you easily brush it off?  Frankly, if someone were to tell me tomorrow that yes, chemtrails are real and Prist is the culprit I might actually believe them.  It&#8217;s the ONLY possible thing that even remotely fits into the chemtrail picture.  None of us really know what it is except its dangerous as hell- is an anti-microbial (maybe?) is an anti-icing agent (maybe) and you can have it added or not added without any questions.  But whatever, I think you&#8217;re generally more interested in arguing about the argument then actually discussing semantics and specifics but I also think that without some specifics we could all be here a very long time trying to prove our general positions.</p>
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		<title>By: Tooth&#38;Claw</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48628</link>
		<dc:creator>Tooth&#38;Claw</dc:creator>
		<pubDate>Sun, 25 Jul 2010 01:27:27 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48628</guid>
		<description>captfitch - Prist? A microbiostat fuel additive for aircraft. Thanks for the link, it was... mind blowing. 

&quot;there are many, many things in aviation that are confusing and look sinister at first glance but when you become educated about them it turns out to be nothing.&quot;

Are you talking about UFO&#039;s? Really I can&#039;t think of much in aviation that has appeared sinister. There have been things that appeared to be nothing but after some education turned out to be suspicious, yes. I recommend looking into lysergic acid diethylamide, THAT will blow your mind. 

Regards to you and Prist.</description>
		<content:encoded><![CDATA[<p>captfitch &#8211; Prist? A microbiostat fuel additive for aircraft. Thanks for the link, it was&#8230; mind blowing. </p>
<p>&#8220;there are many, many things in aviation that are confusing and look sinister at first glance but when you become educated about them it turns out to be nothing.&#8221;</p>
<p>Are you talking about UFO&#8217;s? Really I can&#8217;t think of much in aviation that has appeared sinister. There have been things that appeared to be nothing but after some education turned out to be suspicious, yes. I recommend looking into lysergic acid diethylamide, THAT will blow your mind. </p>
<p>Regards to you and Prist.</p>
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		<title>By: Tooth&#38;Claw</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48626</link>
		<dc:creator>Tooth&#38;Claw</dc:creator>
		<pubDate>Sun, 25 Jul 2010 01:13:13 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48626</guid>
		<description>&quot;I see your Dyn-O-Gel and raise you Silver oxide.&quot;

Hahaha I have to say I am all out. Your silver oxide does my dyn-o-gel. No point really, nothing you don&#039;t already know. Just that companies spray the sky with substances, as you admitted, and so do the military, probably, as we won&#039;t know until they find something better. But as you are only interested in scrutinizing photo&#039;s of apparent chemtrails, I will leave it at this.

Good job with the web site, I have learned alot today, thank you.</description>
		<content:encoded><![CDATA[<p>&#8220;I see your Dyn-O-Gel and raise you Silver oxide.&#8221;</p>
<p>Hahaha I have to say I am all out. Your silver oxide does my dyn-o-gel. No point really, nothing you don&#8217;t already know. Just that companies spray the sky with substances, as you admitted, and so do the military, probably, as we won&#8217;t know until they find something better. But as you are only interested in scrutinizing photo&#8217;s of apparent chemtrails, I will leave it at this.</p>
<p>Good job with the web site, I have learned alot today, thank you.</p>
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		<title>By: captfitch</title>
		<link>http://contrailscience.com/barium-chemtrails/#comment-48625</link>
		<dc:creator>captfitch</dc:creator>
		<pubDate>Sun, 25 Jul 2010 01:10:14 +0000</pubDate>
		<guid isPermaLink="false">http://contrailscience.com/barium-chemtrails/#comment-48625</guid>
		<description>Tooth&amp;claw- why don&#039;t you look into a product called Prist.  That&#039;ll blow your mind.  Or how about the systems on many new jets which &quot;weep&quot; a substance from the leading edge of the wings?  

The thing is- there are many, many things in aviation that are confusing and look sinister at first glance but when you become educated about them it turns out to be nothing.</description>
		<content:encoded><![CDATA[<p>Tooth&amp;claw- why don&#8217;t you look into a product called Prist.  That&#8217;ll blow your mind.  Or how about the systems on many new jets which &#8220;weep&#8221; a substance from the leading edge of the wings?  </p>
<p>The thing is- there are many, many things in aviation that are confusing and look sinister at first glance but when you become educated about them it turns out to be nothing.</p>
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