In the four months since the Dec. 8 C6-Zero explosion, which ignited a blaze that firefighters battled for 20 hours, former employees said they have become frustrated and scared as they wonder what chemicals they inhaled. Lani Mumby ― whose panicked voice is heard on a call to 911 operators after the explosion ― said her problems began the week of Christmas, when she felt too tired to get out of bed. She was cold, wrapping herself in blankets throughout the day. Her bones ached. She didn’t have an appetite. She couldn’t keep down liquids. She couldn’t hold her 1-year-old son. By January, she started to black out. Friends snapped fingers in her face, telling Mumby she was staring dead-eyed through conversations. “The lights were on,” Mumby said, “but no one was home.” Tap the link in our bio for more on this story. #Iowa #Biofuels #Explosion #Marengo