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On May 20th, the U.S. Environmental Protection Agency (EPA) issued a directive requiring BP to identify and use a less toxic and more effective dispersant from the list of EPA authorized dispersants. Dispersants are a chemical used to break up oil into small droplets so that they are more easily degraded. BP is currently using Corexit.
The directive required BP to identify a less toxic alternative – to be used both on the surface and under the water at the source of the oil leak – within 24 hours and to begin using the less toxic dispersant within 72 hours of submitting the alternative.
Keep away from heat. Keep away from sources of ignition - No smoking. Keep container tightly closed. Do not get
in eyes, on skin, on clothing. Do not take internally. Avoid breathing vapor. Use with adequate ventilation. In case
of contact with eyes, rinse immediately with plenty of water and seek medical advice. After contact with skin, wash
immediately with plenty of soap and water.
Wear suitable protective clothing.
Low Fire Hazard; liquids may burn upon heating to temperatures at or above the flash point. May evolve oxides of
carbon (COx) under fire conditions. May evolve oxides of sulfur (SOx) under fire conditions.
SKIN CONTACT :
May cause irritation with prolonged contact.
Not a likely route of exposure. Can cause chemical pneumonia if aspirated into lungs following ingestion.
FLASH POINT : 181.4 °F / 83 °C ( PMCC )
METHODS FOR CLEANING UP :
SMALL SPILLS: Soak up spill with absorbent material. Place residues in a suitable, covered, properly labeled
container. Wash affected area. LARGE SPILLS: Contain liquid using absorbent material, by digging trenches or by
diking. Reclaim into recovery or salvage drums or tank truck for proper disposal. Clean contaminated surfaces with
water or aqueous cleaning agents. Contact an approved waste hauler for disposal of contaminated recovered
material. Dispose of material in compliance with regulations indicated in Section 13 (Disposal Considerations).
PHYSICAL STATE Liquid
APPEARANCE Clear Hazy Amber
SPECIFIC GRAVITY 0.95 @ 60 °F / 15.6 °C
DENSITY 7.91 lb/gal
SOLUBILITY IN WATER Miscible
pH (100 %) 6.2
VISCOSITY 177 cps @ 32 °F / 0 °C 70 cps @ 60 °F / 15.6 °C @ 104 °F / 40 °C
VISCOSITY @ 32 °F / 0 °C @ 60 °F / 15.6 °C 22.5 cst @ 104 °F / 40 °C
POUR POINT < -71 °F / < -57 °C
BOILING POINT 296 °F / 147 °C
VAPOR PRESSURE 15.5 mm Hg @ 100 °F / 37.8 °C
No toxicity studies have been conducted on this product.
Originally posted by highfreq
At this point in the game, I could care less what BP is using to clean up the spill. Just get the damn thing contained already. Here we have one of the, if not the biggest, ecological disaster of our time and generation, and the EPA is complaining cause the agent they are using is supposedly more toxic than another.
Don't take me wrong though. BP needs to get there act together and be tried for crimes against humanity. But lets get the mess cleaned up first.
That's good news for investor Warren Buffett. His Berkshire Hathaway (BRK.A)is Nalco's largest shareholder, with a 6.5% stake.
Now, TIORCO offers an alternative that promises to maximize your production: BrightWater chemical and application technology. Co-developed by Nalco, BP and Chevron, BrightWater is a sub-micron particulate chemistry that is injected downhole with flood water during a seconday recovery process
BP to continue using dispersant
Updated: Saturday, 22 May 2010, 5:19 PM CDT
Published : Saturday, 22 May 2010, 5:19 PM CDT
GREG BLUESTEIN, Associated Press Writer
COVINGTON, La. (AP) - BP PLC says it's going to stick with the main chemical dispersant it's been using to fight the Gulf of Mexico oil spill because it's the best option for breaking up the ooze before it reaches the surface.
The Environmental Protection Agency on Thursday directed BP to use a less toxic form of the chemical dispersant to break up the oil. The agency said Corexit 9500, one of the chief agents used, can pose health hazards.
But BP Chief Operating Officer Doug Suttles tells the EPA in a letter released Saturday that "Corexit remains the best option for subsea application."
Louisiana Gov. Bobby Jindal, members of Congress and environmental groups have raised questions about the dispersants, which are being shot into the oil plume thousands of feet beneath the sea.
Originally posted by twitchy
"The EPA had to approve and the Unified Command and the Coast Guard had to approve the use of that product. It is approved and in fact we've been using it and it has been effective," BP chief operating officer Doug Suttles told "Good Morning America" today....
"Any living organism that contacts this stuff, particularly the mixture of dispersant and oil, is at significant risk of acute mortality," said marine biologist Rick Steiner.
In fact, EPA testing released Thursday indicates that where the dispersant had been used, 25 percent of all organisms living at 500 feet below the surface died.