Sentences with phrase «use of chemical dispersants»

Scientists have been concerned about the use of chemical dispersants — which BP dumped over 1 million gallons of throughout the spill — since word came that they were using the stuff.
One possible explanation is that BP's use of chemical dispersants to break up the oil before it reaches the surface could reduce its buoyancy, keeping it in underwater.
An organisation called Platform says that the use of chemical dispersants is all but impossible under ice.
And the use of chemical dispersants are also worrying.
A common line I hear employed to argue in favor of the use of chemical dispersants goes something like «well, if they weren't using the dispersants, you'd be mad they weren't doing anything.»
The debate about using dispersants is becoming increasingly politicized and acrimonious, and the National Academy of Sciences has recently assembled a committee of scientists, government officials, and industry to evaluate the use of chemical dispersants in oil spill response.

Not exact matches

Nor did the EPA show the best understanding of toxicology in urging BP in a directive to use dispersants with a «toxicity value less than» a certain cutoff: in toxicology, a chemical that produces harm at low concentrations, say, five parts per million, is more deadly than those that kill at 10 parts per million.
And, unfortunately, the microbes» speed is limited not by the availability of oil — or even its droplet size, which is why chemical dispersants have been used to break up the oil into microbe - friendly globules — but by the availability of various nutrients, such as nitrogen and phosphorus that wash into the ocean via rivers carrying sediments from the continents.
Meanwhile, WHOI oceanographer Elizabeth Kujawinski has been studying the 800,000 gallons of chemical dispersant used to break down subsurface oil.
In addition, officials used 1.8 million gallons of the chemical dispersant Corexit to break up the oil.
While the risk to coasts is likely to quickly recede, biologists have expressed strong concerns about the use of nearly 2 million gallons of chemical dispersants that don't destroy surface slicks, but simply cause the oil to disperse and sink (not to mention the dispersants sprayed at the point where oil gushed from the seabed a mile down).
BP used two kinds of toxic chemical dispersants to sink the oil from the Deepwater Horizon disaster, Corexit 9500 and Corexit 9527, manufactured by Nalco Environmental Solutions.
The study, published in the journal Aquatic Toxicology, is titled «Chemical dispersants used in the Gulf of Mexico oil crisis are cytotoxic and genotoxic to sperm whale cells.»
After the Deepwater Horizon Oil Spill in the Gulf, almost 2 million gallons of toxic dispersants were used, including the chemical Corexit, which has been banned in the United Kingdom.
«The dispersant chemicals used to clean up oil spills have the unintended effect of transforming crude oil into a toxic mist able to travel for miles and penetrate deep into human lungs, new research has found.»
With BP in the news for their lies about the safety of chemical dispersant used during the Gulf oil spill, it is hard not to think that Exxon is also lying to the public and their cleanup workers about the safety of the air and water poisoned by this spill.
I've been wondering recently whether we'll see the worst of the BP gulf oil spill at all; whether the combined use of toxic chemical dispersants and media corralling would prevent the public from ever fully grasping the extent of the disaster.
Much has been made about BP's use of toxic chemical dispersants to break down and disperse the crude throughout the Gulf, and rightfully so.
One of the most alarming stories to emerge from the entire BP Gulf oil crisis has been the company's penchant for using toxic chemical dispersants to try to break up and spread out the oil — and that the federal
When 4.9 million gallons of crude oil blew out of Deepwater Horizon's well head in the 2010 Gulf of Mexico disaster, emergency responders made the decision to add 2 million gallons of dispersant — a chemical substance used to prevent settling or clumping — to the mix.
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