Manufacturing, Other - Manufacturing Irvine, CA – Fire at metal finishing business held in check by sprinkler system June 1, 2016 viking210 Firefighters worked 25 minutes Sunday to extinguish a blaze at a metal finishing company. The blaze was reported around 2:30 p.m. at Electrolurgy Inc. at 1121 Duryea Ave., said Orange County Fire Authority Capt. Steve Concialdi. Thick black smoke from the fire was visible on the 405 freeway, he added. A sprinkler system in the business kept the flames in check and firefighters extinguished the blaze around 2:55 p.m., Concialdi said. An OCFA hazardous materials team responded because chemicals in the business were involved. The cause of the fire is under investigation and damage estimates were not immediately available. There were workers in the business when the fire broke out, but they managed to escape without injury. Seven firefighters initially entered the building to extinguish the blaze and were decontaminated at the scene, Concialdi said. They were not injured. An OFCA hazardous materials team wearing protective gear later went into the business to determine what kind of chemicals were inside, said Concialdi. It was determined the fire reached vats of liquid chromate, Concialdi said. A total of 40 firefighters responded.