UPDATE: According to State Police: Interstate 10 eastbound has reopened.

The westbound lanes remain closed.

UPDATE: Investigators have identified the chemicals spilled on the interstate as ethylene dichloride, which is flammable, State Police Troop I spokesman Brooks David said.

A HAZMAT crew is in the process of transferring the remaining chemicals from the overturned truck to another vehicle.

The scene remains closed to traffic.

ORIGINAL:  I-10 West is closed at mile marker 117 before Henderson due to a crash involving an overturned 18-wheeler. They have begun detouring westbound traffic on I-10 at LA 415 and @La_DOTD is implementing its manual traffic control along that route to pull traffic thru to US 190.