Lab Services
Glass Disposal Guidelines
If you have any broken glass or glass trash to get rid of, make sure to follow the glass disposal procedure rules from EH&S and fill out the form below.
Chemical Waste Disposal Guidelines
If you have any chemical, I, sharp containers, ethidium bromide, or acrylamide, that needs to be discarded, make sure to follow the Chemical Waste Disposal Procedure from EH&S and fill out the form below.
Compress Gas Rules
For more information, check the EH&S website.
General use:
It is good practice to write the start date on a new tank to better keep track of gas usage.
Always keep the cap on if the tank is not in use.
Ensure the regulator is appropriate for the type of tank you are using.
Check if the regulator is off before starting to switch the gas tank. Adjusting the regulator on a new tank should be smooth; do not force it.
Always check for leakage every time you adjust the regulator or attached components. You can use a water bottle with a mix of soap and water to check for leaks. Check if the gas is compatible with soapy water! You will notice some bubbling if there is any leakage.
Tanks always need to be secure from falls. Use straps or chains to hold them tight.
Do not deal with flammable tanks by yourself, such as Hydrogen tanks. Contact your PI or lab supervisor.
Empty tanks:
Label the empty tank as “empty”, put the cap back on, and move it to the storage cage (1st floor SRC).
Always use the metal chains to keep the tank safe and secure.
For small tanks, please store them in the small racks inside the storage cage on the first floor.
Transport:
Use a tilt-back cylinder hand truck (dolly) to carry the gas tank from the storage location to your lab.
Be sure to use the chain from the cylinder to secure your tank.
Be sure the regulator is off and the cap is on.
Emergencies:
If the tank is leaking and it is safe to do so, turn off the valve.
Minor leaks of inert gases (non-flammable, non-toxic): evacuate the room; put a note on the door: “Do not enter- leaking gas.”
Even inert gases can be hazardous in poorly ventilated areas and cause asphyxiation due to oxygen displacement. Notify PI and/or EH&S (940-898-4001 ext. 5) right away.
Major leaks or leaks of flammable or toxic gases:
- Evacuate the building.
- Notify DPS (940-898-2911) and EH&S (940-898-4001 ext. 5) right away!
If you have any questions or concerns, please contact EH&S at 940-898-4001 ext. 3
Pipette Calibration
This service is only for TWU students and employees. If you need your pipettes to be recalibrated, no problem, we have you covered. Contact Mr. Isaiah Walton to schedule a time to recalibrate your pipettes.
Please, if you have not done it yet, enter the number of pipettes you have in your labs using the Pipette Log Info link.
Each set of pipettes needs to be labeled according to the lab room # and name of the PI.
If a pipette needs to be back by a certain deadline, make sure to inform Isaiah about it.