Tag Archives: Spill prevention and response

U.S. Not Prepared for Tar Sands Oil Spills, National Study Finds

Repost from Circle of Blue

U.S. Not Prepared for Tar Sands Oil Spills, National Study Finds

By Codi Kozacek, Circle of Blue, 10 December, 2015 16:07

Report urges new regulations, research, and technology to respond to spills of diluted bitumen.

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Oil gathers in a sheen near the banks of the Kalamazoo River more than a week after a spill of crude oil, including tar sands oil, from Enbridge Inc.’s Line 6B pipeline in 2010. It was the largest inland oil spill in U.S. history. Click image to enlarge. Photo courtesy Sam LaSusa

Spills of heavy crude oil from western Canada’s tar sands are more difficult to clean up than other types of conventional oil, particularly if the spill occurs in water, a new study by a high-level committee of experts found. Moreover, current regulations governing emergency response plans for oil spills in the United States are inadequate to address spills of tar sands oil.

The study by the U.S. National Academies of Sciences, Engineering, and Medicine confirmed what scientists, emergency responders, and conservationists knew anecdotally from a major oil spill that contaminated Michigan’s Kalamazoo River in 2010 and another spill in Mayflower, Arkansas in 2013. Tar sands crude, called diluted bitumen, becomes denser and stickier than other types of oil after it spills from a pipeline, sinking to the bottom of rivers, lakes, and estuaries and coating vegetation instead of floating on top of the water.


“[Diluted bitumen] weathers to a denser material, and it’s stickier, and that’s a problem. It’s a distinct problem that makes it different from other crude.”

–Diane McKnight, Chair 
Committee on the Effects of Diluted Bitumen on the Environment


“The long-term risk associated with the weathered bitumen is the potential for that [oil] becoming submerged and sinking into water bodies where it gets into the sediments,” Diane McKnight, chair of the committee that produced the study and a professor of engineering at the University of Colorado Boulder, told Circle of Blue. “And then those sediments can become resuspended and move further downstream and have consequences not only at the ecosystem level but also in terms of water supply.”
“It weathers to a denser material, and it’s stickier, and that’s a problem. It’s a distinct problem that makes it different from other crude.” McKnight added. Weathering is what happens after oil is spilled and exposed to sunlight, water, and other elements. In order to flow through pipelines, tar sands crude oil is mixed with lighter oils, which evaporate during the weathering process. In a matter of days, what is left of the diluted bitumen can sink.

The study’s findings come amid an expansion in unconventional fuels development and transport in North America. Over the past decade, Canada became the world’s fifth largest crude oil producer by developing the Alberta tar sands. U.S. imports of Canadian crude, much of it from tar sands, increased 58 percent over the past decade, according to the U.S. Energy Information Administration.

Though oil prices are at a seven-year low, and market turbulence is expected to persist for several more years, tar sands developers are working to double the current tar sands oil production — around 2.2 million barrels per day — by 2030. Pipelines to transport all of the new oil are expanding too, producing a greater risk of spills.

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A sign held by a protester at a 2013 climate rally in Washington, D.C. notes the lingering difficulties associated with spills of diluted bitumen –namely that the oil can become submerged in the water. Click image to enlarge. Photo courtesy DCErica via Flickr Creative Commons

Whether tar sands producers achieve that level of oil supply is not assured. Public pressure is mounting in Canada and the United States to rein in tar sands development due to considerable environmental damage and heavy carbon emissions. U.S. President Barack Obama last month scrapped the Keystone XL pipeline, an 800,000-barrel-per-day project to move crude oil from Canada’s tar sands to Gulf of Mexico refineries. An international movement to divest from fossil fuels and a legally binding global deal to cut carbon emissions –if it is signed in Paris– could curb demand for tar sands oil.

The National Academies of Sciences, Engineering, and Medicine study adds new data to arguments made by critics of tar sands development.

“The study really confirms a lot of the information that has been out there, there are no real surprises,” Jim Murphy, senior counsel for the National Wildlife Federation, told Circle of Blue. “You don’t want these things to be affirmed because it’s bad news for communities. But the good part about a study like this is hopefully it will prompt some action. Some folks were hiding behind the lack of a study like this, saying we don’t really know. Those excuses have gone away.”

“The chief takeaway is that this is a different oil, it presents different challenges, and responders and regulators simply don’t have the structures in place to deal with the challenges,” he added.

Nonetheless, energy companies are pursuing pipeline expansions, most notably in the Midwest and Great Lakes regions. Enbridge, Canada’s largest transporter of crude oil, operates a 3,000-kilometer (1,900-mile) pipeline network, known as the Lakehead System, that carries crude oil from Canada to refineries on the Great Lakes. The Lakehead system, in concert with Enbridge’s Canadian main line, is capable of transporting 2.62 million barrels of oil per day. The pipeline responsible for the 2010 oil spill in Kalamazoo was part of the Lakehead system. A link in the Lakehead system ruptured in 2010 and spilled more than 3 million liters (843,000 gallons) of tar sands oil into southern Michigan’s Kalamazoo River. It was the largest inland oil spill in U.S. history and its effects still linger because of oil that sank and is embedded in the river’s sediments.

 
“The chief takeaway is that this is a different oil, it presents different challenges, and responders and regulators simply don’t have the structures in place to deal with the challenges.”

–Jim Murphy, Senior Counsel
National Wildlife Federation


Enbridge is currently pursuing upgrades to its Alberta Clipper pipeline, which runs through Minnesota and Wisconsin, in order to boost the line’s capacity to 800,000 barrels per day from 450,000 barrels per day. A second project aims to increase the capacity of Line 61, a pipeline that runs from Wisconsin to Illinois, from 560,000 barrels per day to 1.2 million barrels per day. Opposition to the company’s operation of a pipeline that runs beneath the Straits of Mackinac, where Lake Michigan and Lake Huron join, has been especially fierce, though the line does not currently carry tar sands oil.

“I think at the very least we should be saying no to more tar sands through the [Great Lakes] region until we get a firm handle on how to deal with the unique challenges that tar sands spills present,” Murphy said. “We should also be taking a hard look, as the president did with the Keystone XL decision, about the other negative impacts of more tar sands oil, like the consequences in Alberta with the habitat destruction there, and also the higher carbon pollution content of the fuel.”

The National Academies study concluded that the characteristics of diluted bitumen are “highly problematic for spill response because 1) there are few effective techniques for detection, containment, and recovery of oil that is submerged in the water column, and 2) available techniques for responding to oil that has sunken to the bottom have variable effectiveness depending on the spill conditions.”

“Broadly, regulations and agency practices do not take the unique properties of diluted bitumen into account, nor do they encourage effective planning for spills of diluted bitumen,” it continued.

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A tar ball recovered on the edge of a cove in Mayflower, Arkansas, after tar sands crude spilled from ExxonMobil’s Pegasus pipeline in 2013. Click image to enlarge.

The study’s authors made a series of recommendations to help reduce the damage from future tar sands spills, including:

  • Update regulations that would require pipeline operators to identify and provide safety sheets for each crude oil transported by the pipeline, catalogue the areas and water bodies that would be most sensitive to a diluted bitumen spill, describe how they would detect and recover sunken oil, provide samples and information about the type of oil spilled to emergency officials, and publicly report the annual volumes and types of crude oil that pass through each pipeline.
  • Require the Pipeline and Hazardous Materials Safety Administration (PHMSA), the federal agency that regulates pipelines in the United States, to review spill response plans in coordination with the U.S. Environmental Protection Agency and U.S. Coast Guard to determine if the plans are capable of responding to diluted bitumen spills.
  • Develop methods to detect, contain, and recover oil that sinks to the bottom of water bodies.
  • Require government agencies at the federal, state, and local level to use industry-standard names for crude oils when planning spill responses.
  • Revise oil classifications used by the U.S. Coast Guard to indicate that diluted bitumen can sink in water.
  • Collect data to improve modeling of diluted bitumen oil spills.
    Improve coordination between federal agencies and state and local governments when planning and practicing oil spill response exercises.
  • Develop a standard method for determining the adhesion –a measure of how sticky the oil is–of diluted bitumen in the event of a spill.

After the study’s release, PHMSA said it would develop a bulletin advising pipeline operators about the recommendations and urge voluntary improvements to their spill response plans. The agency also plans to hold a workshop next spring to hear public input on how to implement the recommendations, coordinate with other federal organizations to “advance the recommendations”, and work with industry representatives to improve spill response planning.

“We appreciate the work the National Academy of Sciences has done over the last few years in analyzing the risks of transporting diluted bitumen, including its effects on transmission pipelines, the environment and oil spill response activities,” Artealia Gilliard, PHMSA spokesperson and director for governmental, international and public affairs, said in a statement. “All pipelines transporting crude oil or any other hazardous liquid are required to meet strict federal safety regulations that work to prevent pipeline failures and to mitigate the consequences of pipeline failures when they occur.”


Codi Yeager-Kozacek is a news correspondent for Circle of Blue based out of Hawaii. She co-writes The Stream, Circle of Blue’s daily digest of international water news trends. Her interests include food security, ecology and the Great Lakes.

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    New Oil Train Safety Regs Focus on Accident Response, Not Prevention

    Repost from Center for Biological Diversity

    CenterForBiolDiv_logoNew Oil Train Safety Regs Focus on Accident Response, Not Prevention

    Long Phase-out of Hazardous Cars, Inadequate Speed Limits Leave Communities at Risk of Explosive Derailments

    For Immediate Release, December 7, 2015
    Contact: Jared Margolis, (802) 310-4054

    WASHINGTON— A new transportation bill signed by President Obama includes provisions intended to improve the safety of oil trains, but leaves puncture-prone tank cars in service for years and fails to address the speed, length and weight of trains that experts point to as the leading causes of explosive derailments. The bill upgrades safety features on oil train tank cars and requires railroads to provide emergency responders with real-time information about when and where dangerous oil cargoes are being transported but doesn’t do enough to prevent oil train accidents, which have risen sharply in recent years.

    “While these regulations improve our ability to prepare for oil train disasters they do virtually nothing to prevent them from ever occurring in the first place,” said Jared Margolis, an attorney with the Center for Biological Diversity who focuses on the impacts of energy development on endangered species. “Until we dramatically reduce the speed and length of these bomb trains it’s only a matter of time before the next explosive derailment sends fireballs rolling through one of our communities.”

    The new regulations will require all oil train tank cars to include fire-resistant ceramic coatings and protections for protruding top fittings. The final rule issued by federal regulators in May only required oil trains with 35 loaded oil tank cars or 20-car blocks of oil tank cars to implement the new standards, and would not have required the ceramic blankets or top fitting protections for all retrofitted cars.

    But experts say even the protective measures included in the new transportation regulations signed into law on Friday will do little to prevent a spill if a train derails at speeds faster than 18 mph, and oil trains are permitted to travel at 40 mph to 50 mph. And the new regulations do not require the phase-out of dangerous puncture-prone tank cars to begin until 2018, and allows them to remain in service until 2029.

    “It’s irresponsible to continue to allow these bomb trains to roll through the middle of our communities and across some our most pristine landscapes,” said Margolis. “We need to quit pretending we can make these dangerous trains safe and simply ban them altogether.”

    Congress has directed the U.S. Department of Transportation to continue requiring notifications to states of train routes and frequencies so communities can better prepare to respond to train derailments, explosions and oil spills. However, the new regulations do nothing to remedy the track infrastructure problems, or the excessive length and weight of oil trains, cited as leading causes of derailments. Further, it remains unclear whether the public will have access to information about these hazards.

    “Keeping information on oil trains from public scrutiny is outrageous, and only serves to protect the corporate interests that care little about the risk to the homes, schools and wild areas that these trains threaten,” said Margolis. “We need to keep these trains off the tracks and keep these dangerous fossil fuels in the ground, rather than keeping the public in the dark.”

    Background 

    The National Transportation Safety Board has repeatedly found that current tank cars are prone to puncture on impact, spilling oil and often triggering destructive fires and explosions. But federal regulators have ignored the safety board’s official recommendation to stop shipping crude oil in the hazardous tank cars. Recent derailments and explosions have made clear that even the newer tank cars, known as CPC-1232s, are not significantly safer, often puncturing at low speeds.

    The recent surge in U.S. and Canadian oil production, much of it from Bakken shale and Alberta tar sands, has led to a more than 4,000 percent increase in crude oil shipped by rail since 2005, primarily in trains with as many as 120 oil cars that are more than 1.5 miles long. The result has been oil spills, destructive fires, and explosions when oil trains have derailed. More oil spilled in train accidents just in 2013 than in the 38 years from 1975 to 2012 combined.

    The Center for Biological Diversity is a national, nonprofit conservation organization with more than 900,000 members and online activists dedicated to the protection of endangered species and wild places.
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      Santa Barbara oil spill might have been far larger than projected

      Repost from Associated Press
      [Editor:  See also local coverage in the Benicia Herald.  – RS]

      Oil spill might be larger than projected

      By Michael R. Blood, Aug. 5, 2015 4:04 PM EDT
      In this May 21 file photo, David Ledig, a national monument manager from the Bureau of Land Management, walks past rocks covered in oil at Refugio State Beach, north of Goleta. New documents released Wednesday show that the Plains All American Pipeline spill, originally estimated to be around 101,000 gallons, might have been much larger than projected. JAE C. HONG , THE ASSOCIATED PRESS

      LOS ANGELES (AP) — More than two months after oil from a ruptured pipeline fouled California beaches, documents released Wednesday disclosed that the spill might have been far larger than earlier projected.

      Plains All American Pipeline had estimated that the May 19 break along a corroded section of pipe near Santa Barbara released up to 101,000 gallons of crude. The resulting mess forced a popular state park to shut down for two months, and goo from the spill washed up on beaches as far as 100 miles away.

      In documents made public Wednesday, the Texas-based company said alternate calculations found the spill might have been up to 143,000 gallons, or about 40 percent larger.

      The company is continuing its analysis, and the figures are preliminary. Plains All American has hired an outside consultant as part of the effort to reconcile the differences, the documents said.

      At this point, the company considers the methodology used in its initial estimate to be “the most straight forward and accurate calculation.” However, it emphasized the estimate could change as the investigation continues.

      In a statement, Sen. Edward J. Markey, D-Massachusetts, faulted the federal agency responsible for regulating the nation’s pipelines for the conflicting figures.

      “The revelation that the Santa Barbara pipeline spill was much larger than originally thought underscores the importance of our pipeline safety agency providing complete information to Congress and the American people. Unfortunately, the Pipeline and Hazardous Materials Safety Administration’s operational culture has been to withhold information from the American people and Congress,” he said.

      The company has been criticized for taking about 90 minutes to alert federal responders after confirming the spill, even though federal regulations require the company to notify the National Response Center, a clearinghouse for reports of hazardous-material releases, “at the earliest practicable moment.” State law requires immediate notification of a release or a threatened release.

      The cleanup is nearly complete, although the cause of the break is under investigation. The state attorney general and local prosecutors are considering possible charges, and the documents said the U.S. Justice Department is also investigating.

      The company said it’s covering legal costs for several employees who could be questioned by the Justice Department.

      No timeline has been set to restart the pipeline.

      CEO Greg Armstrong told Wall Street analysts in a phone call that the company faced as much as $257 million in potential costs from the break, which includes estimates for cleanup operations, possible legal claims and fines.

      At the end of June, the company said cleanup costs had hit $92 million.

      Wildlife officials reported that nearly 200 birds and more than 100 marine mammals were found dead in the spill area. Investigators have not yet determined what, if any, role the spill played in those deaths.

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