Stellantis has been hit with a violation from the state of Michigan over air quality issues at the Warren Truck Assembly Plant.

The violation was issued by the Michigan Department of Environment, Great Lakes, and Energy, due to improperly installed equipment at the paint shop.

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Air quality division (AQD) staff analyzed the site and identified an area of the primer coating booth, known as the ‘ambient flash zone,’ that wasn’t venting through the required thermal oxidizer control system. “By the language within Stellantis’ air permit, the ambient flash zone is a portion of the coating booth required to be controlled, and therefore Stellantis is in violation of the permit condition identified in the violation notice.”

Stellantis received a separate violation on September 20 after inspections identified paint and solvent odors at the automaker’s Detroit Assembly Complex on Mack Avenue. A second violation was then issued for the plant on October 20 as Stellantis was found to be violating its emissions permit.

“Stellantis has received a notice from EGLE related to ducting requirements in a particular area of the Warren Truck paint shop,” the automaker said in a statement issued to Auto News. “The company voluntarily notified EGLE of this issue after it received the Oct. 22 notice at the Mack plant and discovered a similar issue at Warren Truck. Warren Truck has been and continues to be in full compliance with the permitted emissions limits. We will work to address this issue promptly.”