OLD TOWN, Maine (AP) Officials say the the ND Paper mill in Old Town spilled more than 30,000 gallons of pulping chemicals into the Penobscot River earlier this month.

The Bangor Daily News reports the mill suspended production after discovering chemicals were spilling into the river through a ruptured underground sewer line and a failed floor drain on Oct. 7.

The mill reported the leak to the Department of Environmental Protection, and resumed production 10 days later after repairs.