The all-clear signal was given for La Porte and Pasadena after fumes were released at a plant, forcing officials to issue a shelter-in-place for about an hour, KPRC Local 2 reported.
The DuPont plant, located at 12501 Strang Road, sounded its siren shortly before noon. Officials said oleum was released from the unit that produces sulfuric acid.
Residents south of the plant and along Highway 225 were asked to shelter-in-place until it was lifted at 1 p.m. Residents in the Pasadena subdivision of El Jardin were under a shelter-in-place until 1:30 p.m.
La Porte Independent School District schools were included in the shelter-in-place.
Highway 225 was shut down in both directions between at Highway 146 at Sens Road.
No injuries have been reported.
Oleum causes respiratory problems if inhaled. Symptoms include breathing problems and a burning sensation in the throat.
Shelter-In-Place Order
When a shelter-in-place is issued, residents should:
Families are advised to have the following items in a shelter-in-place kit:
If your eyes, nose or throat become irritated, protect your breathing by covering your mouth with a damp cloth, take frequent, shallow breaths and stay calm.
