It also said a shipment of vegetable oil was spilled from one of the derailed cars, according to an update posted to the sheriff's office Facebook page.
Interstate 80, which was closed due to the crash, was reopened as of 12:08 p.m.
Update, 12:17 p.m.
The Elko County Sheriff's Office says it has received reports that a powder released from some of the derailed cars is aluminum oxide, according to an update to their Facebook page.
