This quiz will test your knowledge of underground storage tank requirements. Click below to see answers.

1. For how long must you keep records of UST repair? Select all that apply
   1. Until the UST system is permanently closed
   2. Until the UST undergoes a change in service
   3. Until the end of the repair
   4. None of the above
2. For at least how many years after closing an UST, must you keep records of the site assessment results required for permanent closure?
   1. 1 year
   2. 10 years
   3. 3 years
   4. None of the above
3. Owners and operators must test electronic and mechanical components of their release detection equipment for proper operation at least annually using? Select all that apply.
   1. Manufacturer’s instructions
   2. A code of practice developed by a nationally recognized association or independent testing laboratory
   3. Requirements developed by the implementing agency
   4. Requirements developed by the facility employees
4. When you assume ownership of an UST, you must fill out a notification of ownership change form and submit to your implementing agency within ___ days of acquiring the system.
   1. 30
   2. 60
   3. 90
   4. None of the above
5. Hazardous substance USTs must have secondary containment. How can secondary containment be achieved?
   1. Making the system a double-walled system
   2. Placing the system in a concrete vault
   3. Lining the excavation zone around the UST system with an impenetrable liner
   4. All of the above