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Shell’s Anacortes Refinery Has Hydrogen Sulfide Leak

Royal Dutch Shell Plc’s Puget Sound refinery in Anacortes, Washington, released hydrogen sulfide from a flare line in the crude unit, state regulators said.

The emission occurred at about 7 p.m. local time yesterday, according to a report filed with the Northwest Clean Air Agency. An estimated 137 pounds of hydrogen sulfide was released, Lyn Tober, a chemical engineer with the agency, said in an e-mail.

“They are installing a clamp on the line,” Tober said. “There was no injury, fire, or explosion causing or resulting from this release.”

The emission was also reported in a filing with the National Response Center. U.S. refineries must notify the center if they release hazardous substances in excess of reportable quantities, according to the Comprehensive Environmental Response, Compensation and Liability Act, commonly known as Superfund.

“The refinery is operating normally,” Jody Barnett, a spokeswoman for Shell, said in an e-mail. She declined to provide details on the operational status of individual units or equipment at the Puget Sound refinery.

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