H&S Class 1

A class 2 laminar flow cabinet protects:

• The user from the material

• The material from the user

• The user from the material and the material from the user

If you see some liquid spilled on the floor of the lab you should:

• Proceed with caution and wipe it as fast as possible

• Proceed with caution and inform the instructor

• Evacuate from the laboratory

• Pour water on the unknown liquid

When working under the laminar flow cabinet you can contaminate the sample most likely by:

• Somebody coughing outside of the flow cabinet

• Performing fast movements within the flow cabinet

• Not wearing a protective mask

• Opening a bottle containing sterile liquid under the cabinet

According to GHS this symbol means:

• Oxidizing gases

• Acute toxicity

• Health hazard

• Corrosion

This symbol is only used for

• Gases under pressure

• Chemicals under pressure

• Empty containers

• Gases and Chemicals under pressure