Final EL Underground Storage Tanks
Questions And Answers With Verified
Solutions 100% Correct!!!
1. An underground storage tank (UST) system is a tank (or a combination
of tanks) and connected underground piping having at least _____
percent of their combined volume underground.
Answer: 10%
This is the minimum requirement for a system to be considered a UST.
2. The "tank system" includes the tank, underground connected piping,
underground ancillary equipment, and any containment system.
Answer: True
The tank system encompasses all these components as part of a regulated
UST.
3. The federal UST regulations apply only to UST systems storing either
petroleum or certain hazardous substances.
Answer: True
These regulations are specifically concerned with petroleum and certain
hazardous substances, not all underground tanks.
4. The following types of tanks do not have to meet federal UST
regulations:
Answer: All of these are correct
o Emergency spill and overfill tanks
o Tanks of 110 gallons or less capacity
o Tanks storing heating oil used on the premises where it is stored
o Farm and residential tanks of 1,100 gallons or less capacity holding
motor fuel used for noncommercial purposes
o Septic tanks and systems for collecting storm water and wastewater
o Flow-through process tanks
5. All federally regulated USTs must:
Answer: All of these are correct
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