`` There is no threat to the public of any toxic chemicals being in the air , '' Sandifer said . Thursday 's blast at a chemical plant in Geismar also injured more than 100 . Police : We work for years on air safety , so this is hard to take . Police : ` ` No threat to the safety of any toxic substance being in the air '' are waiting to be allowed back in , to investigate cause .
Thursday 's blast at a chemical plant in Geismar also injured more than 100 . Police : We work for years on air safety , so this is hard to take . Police : ` ` No threat to the safety of any toxic substance being in the air '' are waiting to be allowed back in , to investigate cause .