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Dispersants Might Be INCREASING Damage From Gulf Oil Spill

Posted By admin On May 17, 2010 @ 3:26 am In Commentary | Comments Disabled

Washington’s Blog [1]
May 17, 2010

Everyone knows that the dispersants being dumped into the Gulf oil are toxic. As I wrote [2] Friday:

Highly toxic dispersants have been used to try to break up the oil. See this [3] and this [4]. Not only are dispersants being released underwater [5], but the air force [6] is also dropping dispersants on the slick from above.

The official information for the dispersant reveals [7] problems:

OSHA requires companies to make Material Safety Data Sheets, or MSDSs, available for any hazardous substances used in a workplace, and the ones for these dispersants both contain versions of a disturbing statement.

***

Both data sheets include the warning “human health hazards: acute.” The MSDS for Corexit 9527A [the dispersant apparently being used in the Gulf] states that “excessive exposure may cause central nervous system effects, nausea, vomiting, anesthetic or narcotic effects,” and “repeated or excessive exposure to butoxyethanol [an active ingredient] may cause injury to red blood cells (hemolysis), kidney or the liver.” It adds: “Prolonged and/or repeated exposure through inhalation or extensive skin contact with EGBE [butoxyethanol] may result in damage to the blood and kidneys.”

Dispersants Might Be INCREASING Damage From Gulf Oil Spill 100210banner1

Indeed, the specific dispersant being used is more toxic and less effective [8] than other alternative dispersants, perhaps because of BP’s connections to the manufacturer.

In addition, new questions have arisen as to whether the dispersants might actually being increasing damage from the oil itself.

As the Christian Science Monitor notes [9]today:

More relevant could be the dispersant that BP is applying [10] to the oil at the source. BP officials have hailed the process as a success, noting diminishing oil at the surface. But the dispersant breaks the oil into smaller drops, which might instead be spreading throughout the water column, instead of rising to the surface.

It is not clear what this would mean environmentally, though past research indicates that oil can be trapped in the seabed for decades [11] after oil on the surface is cleaned away.

Shouldn’t the use of dispersants be stopped until scientists figure out whether they will make things better or worse?


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URLs in this post:

[1] Washington’s Blog: http://www.washingtonsblog.com/2010/05/dispersants-might-be-increasing-damage.html

[2] wrote: http://www.washingtonsblog.com/2010/05/hurricanes-could-spread-gulf-oil-inland.html

[3] this: http://blogs.webmd.com/health-ehome/2010/05/a-toxic-brew-in-the-gulf-of-mexico.html

[4] this: http://www.propublica.org/article/bp-gulf-oil-spill-dispersants-0430

[5] underwater: http://www.foxnews.com/us/2010/05/09/bp-plans-offload-equipment-used-new-attempt-stop-gulf-oil-leak/

[6] air force: http://blog.al.com/live/2010/05/video_air_force_planes_drop_ch.html

[7] reveals: http://seminal.firedoglake.com/diary/45894

[8] more toxic and less effective: http://www.nytimes.com/gwire/2010/05/13/13greenwire-less-toxic-dispersants-lose-out-in-bp-oil-spil-81183.html

[9] notes : http://www.csmonitor.com/USA/2010/0516/Gulf-oil-spill-real-disaster-might-be-lurking-beneath-the-surface

[10] the dispersant that BP is applying: http://www.csmonitor.com/USA/2010/0515/In-Gulf-oil-spill-how-helpful-or-damaging-are-dispersants

[11] oil can be trapped in the seabed for decades: http://www.csmonitor.com/USA/2010/0510/Gulf-oil-spill-s-environmental-impact-How-long-to-recover

[12] Scientists: 40 Times More Cancer-Causing Toxics in Gulf than Before Spill … Dispersants to Blame: http://www.prisonplanet.com/scientists-40-times-more-cancer-causing-toxics-in-gulf-than-before-spill-dispersants-to-blame.html

[13] BP oil spill Corexit dispersants suspected in widespread crop damage: http://www.prisonplanet.com/bp-oil-spill-corexit-dispersants-suspected-in-widespread-crop-damage.html

[14] Scientists: Dispersants May Delay Recovery of the Gulf By Years … Or Decades: http://www.prisonplanet.com/scientists-dispersants-may-delay-recovery-of-the-gulf-by-years-or-decades.html

[15] New BP Data Show 20% of Gulf Spill Responders Exposed to Chemical That Sickened Valdez Workers: http://www.prisonplanet.com/new-bp-data-show-20-of-gulf-spill-responders-exposed-to-chemical-that-sickened-valdez-workers.html

[16] Of Course Clean Up Workers Can’t Find the Oil … BP Used Dispersants to Temporarily Hide It, So Now It Will Plague the Gulf For Years: http://www.prisonplanet.com/of-course-clean-up-workers-cant-find-the-oil-bp-used-dispersants-to-temporarily-hide-it-so-now-it-will-plague-the-gulf-for-years.html

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