Akron, Ohio-based Goodyear Tire & Rubber Company has agreed to pay $1.75 million in penalties and overhaul its health and safety program after four fatalities occurred at its Danville, Va. plant over the course of a year.

Jeanie Strader, Kevin Waid Edmond,  Charles “Greg” Cooper  and William Scheier were killed at the facility between August 2015 and August 2016. Eleven subsequent investigations discovered numerous violations at the plant, which manufactures aviation and specialty tires.