LOUISVILLE, Ky. (WDRB) — Wednesday’s explosion at Carbide Industries in Louisville's Rubbertown neighborhood is the latest in a long history of safety violations, including three worker deaths and nearly $100,000 in fines.

The CSB has not determined whether the valve failures occurred before or as a result of the explosion on Aug. 11, which killed two and injured 11 workers at the company’s coke works facility in Clairton,

Emergency services are responding to a report of a plant explosion in southwest Louisville, MetroSafe officials confirmed. A MetroSafe spokesperson said dispatchers received a call for service in the 4400 block of Bells Lane around 11:27 a.m. Oct. 1. The reported address is near Carbide Industries, which produces calcium carbide.

New drone footage reveals charred tanks and oil-soaked waterways after last month’s explosion at Smitty’s Supply in Roseland, where the EPA is racing to clean up.

In 2011, two workers were killed in an explosion at the plant. Federal investigators later found Carbide Industries ignored warning signs and tolerated failure, including 26 work orders on the problem furnace that ultimately blew up. The company was fined $11,200.

TOSHA records show that three employees had seizures after completing a shift at the plant’s so-called “Hot House.”