As the investigations continue into the Longview pulp mill disaster, KUOW's environment reporter John Ryan has been looking into chemical safety at other Washington mills.
It's been two weeks since Washington's worst industrial accident in nearly a century. More than a half-million gallons of a caustic liquid known as white liquor flooded through the Nippon Dynawave pulp mill in Longview after a storage tank imploded. Eleven people were killed. As the investigations continue, KUOW's environment reporter John Ryan has been looking into chemical safety at other Washington pulp mills.