University of Colorado at Boulder

Department of Environmental Health & Safety

Annual Hazardous Waste Generators' Refresher Quiz

Welcome to the new online hazardous waste refresher quiz!  This quiz is only for those who have completed Hazardous Waste Training and are due for their annual refresher training.  Simply fill out this quiz completely and click on the submit button to fulfill your annual refresher training requirement.  It's that easy!

Please enter all of the following information so that EH&S can update their database and notify your hazardous waste proctor upon completion of your training.

Name (First -MI - Last):

E-mail address:

Whose lab are you working in?

Principal Investigator:

Hazardous Waste Proctor:


Most answers will be found in the Hazardous Waste Generators' Guide, or the EH&S Laboratory Safety Guideline. Some are simply common-sense.
If you have any questions regarding this quiz, send e-mail to Environmental Compliance and Industrial Hygiene.
Please check the best answer for each question.

1. How often does the Satellite Accumulation Area (SAA) need to be inspected?

a) Daily

b) Weekly

c) Monthly

d) Quarterly

2. What is the maximum volume of normal waste (not P-listed) allowed per SAA?

a) 10 gallons

b) 25 gallons

c) 55 gallons

d) 110 gallons

3. In addition to the words "Hazardous Waste," waste containers should be labeled

a) with chemical formulas

b) with chemical abbreviations

c) in latin

d) with full chemical names in English

4. If a hazardous chemical gets in your eyes, how long should you flush them before seeking appropriate medical attention?

a) 15 seconds

b) 5 minutes

c) 15 minutes

d) 15 hours

5. Used syringes and razor blades that are NOT chemically contaminated must be:

a) thrown in the trash

b) packaged in puncture-proof containers and placed in the trash

c) autoclaved

d) packaged in puncture-proof containers and sent through the hazardous waste program

6. Required annual hazardous waste training :

a) failure to complete can result in EPA citations and fines for departments

b) must be completed by hazardous generators and their supervisors

c) can be completed online by lab proctor presentation or at a monthly EH&S classroom session

d) all of the above

7. Which of the following is required for gas cylinders in the lab?

a) contents clearly labeled

b) secured to a lab bench or wall

c) stored by hazard class

d) all of the above

8. How should broken glass that is NOT chemically contaminated be disposed of?

a) through the hazardous waste program

b) packaged in puncture proof containers and disposed of as hazardous waste

c) put in regular domestic trash

d) put in puncture proof, custodian safe containers or special broken glass containers, which then go to domestic trash

9. Which of the following is necessary for hazardous waste to be removed from the lab?

a) constituents total equals 100%

b) containers must be closed

c) top copy sent to EH&S at 413 UCB

d) All of the above

10. According to the lab Emergency Action Plan, the following actions (IN ORDER) should be taken for incidents involving hazardous materials, fires, explosions, or natural gas leaks .

a) Call 911 from a safe location, Remain available for emergency personnel

b) Life Safety First, Evacuate Immediate Area, Pull Fire Alarm, Call 911 from a safe location

c) Pull Fire Alarm, Evacuate Immediate Area

d) Exit the lab quickly

11. It is okay to store chemicals and waste in the fume hood without secondary containment.



12.. Acids should not be stored with bases.



13. Potentially biohazardous materials must be rendered non-infectious before disposal.



14. It is okay to combine liquid and solid wastes in order to fill a container for pick-up.



15. Multiple containers of the same waste only need one hazardous waste tag. For example, 4 bottles containing 4 liters of methanol can be listed on one tag.



16. All constituents, including solvents, must be listed on the hazardous waste tag.



17. Flammable materials can be stored in any refrigerator or freezer.



18. Expired chemicals should be labeled as hazardous waste and stored in a SAA until pick-up by EH&S.



19. Secondary containment is only important for the hazardous waste in the lab.



20. Hazardous waste, radioactive waste, and biological waste should be stored together.



EH&S is working to improve our online training. Do you have any comments or suggestions that you would like to share?


Thanks for your time!