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                                                                        by Elizabeth Shogren

"Up until now, pipelines that carry tar sands oil have been treated just like pipelines that carry any other oil. But the Environmental Protection Agency now says that should change. That's because when tar sands oil spills, it can be next to impossible to clean up."

Example: The tar sands spill in  2010, into Michigan's Kalamazoo River. It's the largest land spill in US history. The tar sands spill sank to the bottom o9f the river and IS NOT  biodegrading. It has cost $1 BILLION to try to clean it up, but  after three years, it remains next to impossible to clean up. The EPA also has learned that a spill  results in toxic Benzene gas release. Benzene pollutes the air for anyone living near or in the spill area

NOTE:  Dilbit is more corrosive to pipeline systems due to napthenic acidity, asphaltenes, temperature(very hot) , sulphur and pressure. Raw bitumen, is more dense than regular water, and sinks to the bottom in rivers and lakes. It is also more dense that salt/ocean water. (A spill in the Gulof will never get cleaned up.)The tar sands is no way related to heavy crude or light oil.

 "Tar sands oil is a lot stickier than conventional crude, so everything it touches, even rocks, cannot be cleaned and needs to be thrown away."Michigan State University professor Stephen Hamilton

 A report due by July 2013, The U.S. Pipeline Safety and Hazardous Materials Administration is studying whether dilbit requires special regulations.  It seems to me that this problem needs to be regulated , as once tar sands spill, it can NEVER be cleaned up.

Earlier this year, when an Exxon tar sands pipeline gushed over 10,000 barrels of tar sands in a residential  neighborhood in Mayflower Arkansas. It ruined everything it touched......and toxic fumes created problems breathing  for people living in or near the spill. It has ruined people homes and made it a hazardous, unlivable neighborhood.

XL pipeline project is a toxic spill waiting to happen!

http://www.npr.org/...

Originally posted to Bateach on Wed Jun 19, 2013 at 12:39 PM PDT.

Also republished by Gulf Watchers Group.

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  •  Good! (7+ / 0-)

    In a related story, Bloomberg reported Thursday Keystone XL Pipeline Shuns High-Tech Oil Spill Detectors:

    Pipeline companies have been slow to adopt new leak detection technology, including infrared equipment on helicopters flying 80 miles an hour or acoustic sensors that can identify the sound of oil seeping from a pinhole-sized opening.

    TransCanada Corp. (TRP), which says Keystone XL will be the safest pipeline ever built, isn’t planning to use infrared sensors or fiber-optic cables to detect spills along the system’s 2,000-mile (3,200-kilometer) path to Texas refineries from fields in Alberta. ....

    Though the so-called external leak detection tools have been recommended by the U.S. Environmental Protection Agency for TransCanada’s Keystone XL pipeline, the Calgary-based company says they’re impractical for the entire project. At the EPA’s request, TransCanada is studying whether to add the systems in sensitive environmental areas, Grady Semmens, a company spokesman, said in an e-mail.

    It would cost TransCanada an additional $705,000 to add a fiber-optic cable to the parts of Keystone XL that may affect ecologically sensitive areas, drinking water, or populated regions, according to figures compiled by Bloomberg. The line has 141 miles in high consequence areas, according to the State Department, and the cable costs about $5,000 a mile, the December Transportation Department report estimates.

    "Let each unique song be sung and the spell of differentiation be broken" - Winter Rabbit

    by cotterperson on Wed Jun 19, 2013 at 12:53:00 PM PDT

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