BACK TO CATEGORIES Photo ID: 1081 (Click photo to view original size.) Category: Chemical Hazards Hazard: Employee overexposed to beryllium STEL while welding. Standard Violated: 1910.1000 Corrective Action: Employer upgraded local exhaust and switched to a welding rod with lower % beryllium. Description: Employee is welding on Beryllium-copper alloy. The only ventilation was a standard kitchen range hood.