(SD)-Feds Say Keystone Pipeline Leak Likely Caused By Damage During Original Construction
AMHERST, S.D. (AP) - The federal Pipeline and Hazardous Materials Safety Administration says the leak two weeks ago in the Keystone oil pipeline in extreme northeast South Dakota likely was caused by damage during the pipeline's construction by TransCanada Corporation 9 years ago.
The federal agency issued a corrective action report Tuesday on the estimated 210,000-gallon oil spill that says a weight installed on the pipeline may have damaged the pipe and its coating.
According to the report, weights are placed on the pipeline to hold it down in areas "where water could potentially result in buoyancy concerns."
TransCanada spokesman Mark Cooper says the company has been working cooperatively with the federal agency and has begun "a safe, controlled and gradual startup" of the pipeline...adding that the startup process will continue over the next couple of days.
South Dakota officials don't believe the leak polluted any bodies of surface water or any drinking water systems. The company disclosed the leak of the buried pipeline on agricultural land in Marshall County on Nov. 16.
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