"The U.S. Chemical Safety Board on Wednesday announced it would investigate the three-day chemical blaze at the International Terminals Co., hours after emissions of carcinogenic benzene spiked near the Deer Park plant, prompting city officials to order residents to shelter in place for most of the morning."

Zach Despart and Mike Morris report for the Houston Chronicle March 21, 2019. [2]

SEE ALSO:

"As Immediate Threat Passes, Activists Say Deer Park Chemical Fire Brings Attention To Persistent Issues" (ABC News) [3]