Editor’s Note: Late Thursday the death toll was update to eight people, with two still unrecovered. The death toll from Tuesday’s chemical tank rupture at a mill in southwest Washington has climbed to at least two people, while nine others remain “unrecovered,” according to authorities. Longview’s Fire Department said late Wednesday morning that a person transported from the scene for medical care after the tank burst had died from their injuries. Authorities confirmed the first fatality on Tuesday. “We’re bracing ourselves for this being the deadliest industrial tragedy in modern Washington state history,” said Gov. Bob Ferguson. Seven other employees were injured. An injured firefighter has been released from the hospital, said Matt Amos, Longview Fire Department battalion chief. A tank holding more than half a million gallons of a corrosive substance known as white liquor erupted Tuesday morning at the Nippon Dynawave Packaging plant. White liquor is used in paper manufacturing.…