August 31, 2008 8 people sickened by chemical spill in Missouri Play video

(NECN) - Eight workers are sick after a chemical spill at a Missouri plant on Saturday.

In all eight workers were sickened by the spill at a storage and mixing plant in Saint Louis.

Two area hospitals were quarantined for some time on Saturday, as health officials worked to identify the chemical.

Doctors say they're now 99% sure it was Nitroaniline, which is highly toxic.

Three of the patients are said to be in fair condition.

The FBI is now investigation.