Raise awareness of any chemicals or hazardous materials in your workplace with Labelmaster's Danger Asbestos, May Cause Cancer Authorized Personnel Only Signs. These tell employees about any explosive, corrosive or flammable hazardous materials that are located in your facility. They are an essential part of any safety program and help you stay in compliance with OSHA standards. Safety is your top priority in the workplace, and we go to great lengths to ensure our signs help you achieve your goals of awareness and compliance.