Keep waste containers closed except when adding waste.
Chemical waste storage containers are usually found in the fume hood.
When they are not in use they should be capped off.
The airflow they provide is greatly in excess of that needed for storage of closed containers of even the most toxic of volatile materials.
Label the new container.
Mixing of liquid waste may generate toxic or corrosive aerosols.
Inspect stored chemicals often for expiration deterioration and chemical integrity.
Fume hoods should not be used as general storage areas for chemicals.
This of course defeats the purpose of the hood which is to protect you from harmful chemicals and their vapors.
Fume hoods may be used temporarily to store small quantities of waste materials but should not serve as designated waste storage areas.
Large plastic bin or bucket.
We will be cited for this when we are inspected.
Ecih fume hood q a 11 08 pdf 2 of 8 boger rev.
The hood works by capturing air borne chemicals and exhausting them to the atmosphere.
Raising the sash reduces this capture velocity allowing vapors to spill over the sill into the room air.
Gas cylinders must be securely strapped to a permanent structure wall lab bench etc.
Items stored in the hood interfere with the flow of the fume hood.
Storage shelves cabinets ensure chemical storage shelves are securely fastened to the wall and have lips or other suitable methods to prevent bottles from falling in the event of an earthquake.
If necessary transfer waste material to a container that can be securely closed.
Do not store waste containers on the floor.
Wear the appropriate personal protective equipment ppe for this process lab coat nitrile gloves and safety glasses and conduct all work within a chemical fume hood fill a 1 gallon 1g mayo container halfway with di water and place it in the fume hood.
Storing containers with open tops in a hood is viewed as treatment of hazardous waste by epa.
Corks parafilm and beakers are not acceptable.
Chemical safety staff may ask you to assist them in removing waste from fume hoods both for safety reasons and to avoid disturbing your experiments or processes.
Check the container label to assure that waste is being added to the correct container.
You can place dry ice in a hood and see how well it actually works.
If the sash is all the.
The fume hood as a storage device fume hoods are designed specifically to provide ventilation for the protection of lab occupants during chemical manipulations.
Chemicals and their containers.
The container must be in secondary containment i e.
Perform liquid chemical waste management in a fume hood.
Use waste containers with leak proof screw on caps so contents can t leak if a container tips over.
