Authorities say 2nd person has died after chemical tank implosion at U.S. paper mill

Crews were set to resume searching Wednesday for nine workers at a Washington paper mill where a tank imploded, releasing a highly destructive chemical mixture called "white liquor" and causing at least two confirmed deaths.

Thousands return home after California chemical tank threat, but fears linger

A faulty valve in the tank's cooling system triggered the evacuation of 50,000 people in and around Garden Grove, Orange County

By Amy Taxin and Christopher Weber

California residents evacuated due to chemical tank threat return home but fears remain

11 feared dead in Washington state chemical vat rupture, operation moves to recovery effort - The Straits Times

11 feared dead in Washington state chemical vat rupture, operation moves to recovery effort  The Straits Times

Search shifts to rescue as 11 feared dead in Washington state chemical tank explosion

Authorities said they don't yet know what caused a 900,000-gallon vat at the Nippon Dynawave Packaging facility to implode.