Lawsuit Filed After Chemical Tank Collapse Kills 11 in Longview

• Families of two deceased workers have filed a lawsuit against Nippon Dynawave and Weyerhaeuser.
• The lawsuit claims the companies ignored safety warnings before a chemical tank collapse in Longview.
• The collapse, which occurred in May, resulted in the deaths of 11 workers.
• The lawsuit alleges that the companies 'willfully disregarded' employee safety.
• The facility involved is the Nippon Dynawave Packaging Company in Longview.