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General Warning
Presence of possibly hazardous materials/environment
Health Hazard
Presence of chemical, physical, or biological factors with the potential to have a negative effect on our health
Biological Hazard
Presence of Biohazardous materials
BSL-1
Presence of organisms that usually don’t cause disease in healthy adults but are capable of causing infections, have a minimum potential hazard to environment and laboratory personnel, and have effective treatment measures.
BSL-2
Presence of organisms capable of causing mild infections, having moderate potential hazard to the environment and laboratory personnel, difficult to spread forming aerosol, and having effective treatment/preventive measures.
BSL-3
Presence of organisms capable of causing severe infections and spreading via aerosol. They have high individual risk and moderate community risk with some treatment and prevention measures available.
BSL-4
Presence of organisms having a high potential of causing serious infection to individuals and communities. They have a very high transmission rate and have no available treatment and preventive measures.
Poison/Poisonous Materials
Presence of toxic materials
Carcinogenic
Presence of carcinogenic materials
Corrosive
Presence of corrosive substances
Harmful Irritants
Presence of harmful chemicals causing irritations
High Voltage
Supply of high-voltage electricity
Electric Hazard
Risk of getting electric shock. (The device might give mild to severe electric shock)
Cryogenic Hazard
Low-temperature zone
Flammable Material
Presence of combustible materials (a substance that can easily burn)
Oxidizing Material
Presence of oxidizing chemicals
Explosive Material
Presence of explosive and/or self-reactive substancesÂ
Hot Surface
Risk of burning if you touch with naked hands
Ionizing Radiation Hazard
Presence of radioactive materials emitting ionizing radiation or the presence of electromagnetic waves having the capacity to ionize an atom
Non-ionizing Radiation Hazard
Presence of electromagnetic waves that don’t have ionizing capacity but have the capacity to excite electronsÂ
UV Radiation Hazard
Presence of UV light
Laser Hazard
Presence of laser radiation
Glassware Hazard
Presence of broken glass
Gloves Required
Must use protective gloves in this area/while working in this area
Safety Glasses Required
Must use protective/safety goggles while working
Safety Shoes Required
Must use closed-toe shoes in this area/while working
Lab Coat Required
Must wear lab coat (apron) while in this area
Protective Clothing Required
Must wear full protective clothing
Respirator Required
Must wear a breathing mask/respirator; the presence of contaminated airÂ
Face/Safety Mask Required
Must wear face/dust/safety masksÂ
Face Shield Required
Must wear face shield while working
Hair Protection Required
Must wear hair protection before workingÂ
Hearing Protection Required
Must wear a hearing protection device while workingÂ
Hand Wash Station
Place to wash your hands
Eye Wash Station
Place to wash your eyes
Shower Station
Place to take a shower
Hand Sanitization Station
Place to sanitize your hands
Emergency Meeting Station
Place for all lab personnel to meet for an emergency meeting or during emergencyÂ
Fire Extinguisher
Location where the fire extinguisher is placed
First Aid
Place with the first aid box and materials
Drinking Water
Indicates safe water for drinking
Fire Blanket
Location where the fire blanket is placed
Fire Hose
Location where the hose with water or any fire retardant is placed
Emergency Bell
Bell to be pressed during an emergency like fire or accident
Restricted Entry
Entry is allowed for authorized personnel only
Food and Drink Prohibited
Not allowed to eat or drink anything in this area
No Open Flame
Don’t use an open flame in this area; the presence of highly flammable or temperature-sensitive materials.Â
No Light
Maintain dark, photo-sensitive materials.
No Open Shoes
Not allowed to wear open-toe shoes
No Open Hair
No open hair allowed while working hereÂ
No Electronics
Not permitted to use/take any electronic devicesÂ
No Gloves
Gloves must be removed.