(WKBN) -- On Wednesday, Pennsylvania's Commonwealth Court denied the Tri-County Landfill's request to rehear its case regarding last month's ruling that revoked its landfill permit in Mercer County.

The decision was based on a judge's previous findings that the site violates state rules due to its proximity to the Grove City Airport.

Tri-County Landfill has 30 days to appeal to the Pennsylvania Supreme Court.

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