Published: Nov 02, 2010 8:00 PM EDT
Updated: Nov 02, 2010 5:01 PM EDT

COLLIER COUNTY, Fla. - 500 gallons of ammonia was spilled at 925 New Harvest Road just after 2:15 pm.

Employees nearby were evacuated.

State Road 29 was shut down in both directions for a couple of hours.

Immokalee Fire and North Naples HAZMAT ware on the scene.