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EPA Issues Shell Kulluk minor modified air permit for Beaufort Sea exploration


On Sept. 28, 2012, EPA issued a minor modification to the Shell Kulluk Minor Source Title V air permit for oil and gas exploration drilling in the Beaufort Sea Outer Continental Shelf.

The minor permit modification clarifies several permit conditions; corrects typographical and math errors; allows catalyzed diesel particulate filters in place of oxidation catalysts; revises some monitoring and reporting requirements because Shell installed better emissions controls; and revises the Kulluk incinerator emissions for actual waste combusted daily. EPA expects overall emissions to decrease under this minor permit modification.

Shell submitted an application to modify its Kulluk Minor Source Title V air permit on July 5, 2012. Under the Minor Source Title V Part 71 regulations, when Shell filed its minor permit modification application with EPA, Shell is allowed to immediately implement the proposed changes.

There are no public comment requirements for Title V minor permit modifications under 40 CFR Part 70/71 regulations on the Outer Continental Shelf. The modified minor permit can be appealed to the Environmental Appeals Board. Petitions to review the modified permit must be filed with the Environmental Appeals Board within 30 days of the effective date of the modified permit.

EPA Shell Kulluk air permit website:  http://yosemite.epa.gov/r10/airpage.nsf/Permits/kullukap/

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