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Canadian diluted bitumen study is a missed opportunity

The Globe and Mail recently reported on a study by Natural Resources Canada which evaluating the corrosivity of a variety of crudes, including diluted bitumen. In many ways, this study represents a missed opportunity. In Tar Sands Pipeline Safety Risks,...

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Canadian diluted bitumen study is a missed opportunity

By Anthony Swift, November 23, 2012

The Globe and Mail recently reported on a study by Natural Resources Canada which evaluating the corrosivity of a variety of crudes, including diluted bitumen. In many ways, this study represents a missed opportunity. In Tar Sands Pipeline Safety Risks, NRDC advocated that regulators "analyze and address potential risks associate with the transport of diluted bitumen at the high temperatures and pressures at which those pipelines operate." However, by choosing room temperature, rather than the higher temperatures commonly found in diluted bitumen pipelines, to evaluate the corrosivity of diluted bitumen, researchers limited the value of their results. Because internal corrosion is catalyzed by either higher temperatures or sulfide fixing bacteria, it's not surprising to find that all crudes in low temperature lab settings aren't particularly corrosive. It's not particularly useful either.  

In addition to an inadequate evaluation of internal corrosion, it appears that this study did not evaluate the higher risks that external corrosion pases for high temperature diluted bitumen pipelines. While most crude pipelines do operate at ambient temperatures, we know from a study of high temperature pipelines in California that pipelines operating above 129 F have nearly ten times the external corrosion failure rate when compared to ambient temperature pipelines. The Keystone XL tar sands pipeline has an expected temperature range which goes well above that level while Keystone 1 was listed with a maximum operating temperature of 158 F. The National Transportation Safety Board (NTSB) faulted Enbridge in its investigation of Kalamazoo because the company didn't consider how two separate risks, external corrosion and stress corrosion cracking, interacted to create a much more significant risk. Understanding how diluted bitumen behaves in high temperature pipeline conditions is critical to evaluate the risks of these pipelines.

It is encouraging that regulators are beginning to due due diligence to evaluate the risks of diluted bitumen pipelines - NRDC has been asking for this for several years. However, not only do researchers need to consider the high temperatures of diluted bitumen pipelines as they evaluate internal corrosion risks, they also need to evaluate external corrosion risks, leak detection issues, and the greater challenges that diluted bitumen poses during spills. It's important that regulators have an accurate understanding of the risk of internal corrosion in diluted bitumen pipelines. However, stopping there would be akin to a pilot stopping after the first item in his checklist. You wouldn't want to fly on that plane - and folks have the right to expect the same level of due diligence by companies proposing to build tar sands pipelines through their communities.

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Small Business Saturday Reminds Us of Another Reason to Reform Wildlife...

With Small Business Saturday just around the corner, the Sacramento Bee recently raised another reason to reform Wildlife Services’: its devastating effects on small businesses. Indeed, as described in an article the Bee published on Sunday, the U.S. Department of...

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Small Business Saturday Reminds Us of Another Reason to Reform Wildlife...

By Elly Pepper, November 23, 2012

With Small Business Saturday just around the corner, the Sacramento Bee recently raised another reason to reform Wildlife Services’: its devastating effects on small businesses.

Indeed, as described in an article the Bee published on Sunday, the U.S. Department of Agriculture’s Wildlife Services Program is siphoning away clients from private wildlife damage management companies – some of which are small businesses – due to the fact that its services are subsidized by taxpayer money and, thus, cheaper.

Here’s how it works. Sometimes, an individual (me, you, anyone) or a company (e.g., golf course, airline, cemetery, etc.) needs assistance controlling wildlife – whether it’s geese on a golf course, crows in your back yard, prairie dogs in a cemetery, pigeons on your roof or any other number of things.

That individual or company has two choices:

1. It can call a private company to deal with it OR
2. It can call Wildlife Services, which will do it for a cheaper price since it’s subsidized by federal tax dollars and isn’t responsible for any profit margin.

Obviously, most clients are going to go with the less expensive option – Wildlife Services.

So where does this leave the small, local, privately-owned wildlife control businesses? The ones whose owners are our neighbors and our friends?  Sadly, they can’t compete. According to the Bee, Wildlife Services does business with more than 2,400 Fortune 500 companies, including American Airlines, BP, and Coca-Cola, who, collectively, paid $72 million in fees in 2011 alone. If it weren’t for Wildlife Services, this money would be going to small businesses. As one private executive in the Bee article states, “They’re taking the cream of the crop, the biggest and best customers. We don’t have a chance.”

Taxpayers simply shouldn’t have to subsidize the killing of wildlife.  If we’re going to use tax dollars for anything, it should be nonlethal methods to deal with wildlife that are more humane and have less detrimental impacts on our ecosystems.

There are many ways in which Wildlife Services must be reformed. But repealing federal subsidies for lethal predator control is definitely at the top of the list.

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Now more than ever, North and South America’s last wildlands and rarest wildlife are under threat from large-scale logging, mining and industrialization.

NRDC’s BioGems Initiative harnesses the power of online citizen activism to help save our continent’s most endangered natural treasures — our BioGems — for the sake of a sustainable planet and all future generations.

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