![Close-Up Cordon Tape](https://assets2.cbsnewsstatic.com/hub/i/r/2015/04/29/340c23e5-e5a3-40ef-bf68-dcc84ef47c4b/thumbnail/640x360/c4c0eaa4966278fc3421bdd9a5156436/restrictedimagesub.jpg?v=25685eaa472b1a5dbb5bd46ae506d232#)
Officials: Martinez refinery released heavy metals over Thanksgiving without notification
Health officials said a Martinez oil refinery released potentially hazardous materials over Thanksgiving and that they were not immediately notified about the incident.