UNDERGROUND STORAGE TANK QUESTIONS
WITH 100% CORRECT SOLUTIONS |
GUARANTEED SUCCESS.
Federal Regulation governing UST - correct answer- 40 CFR
280
API - correct answer- American Petroleum Institute
UST partially deferred from regulatory requirements - correct
answer- radioactive material
UST part of emergency generator at nuclear fac.
airport hydrant fuel system
field constructed UST system
What created the Federal UST program - correct answer-
Subtitle I of the 1984 Hazadous and Solid Waste Amendments
of the RCRA
Purpose of UST Regulation - correct answer- Prevent
Detect
Correct
,2 | Page
Financial ability
Interstatial Monitoing - correct answer- method that detects
leaks in the space between UST and the second barrier.
How does the leak detection work with secondary containment
method? - correct answer- The barrier holds the leak between
the tank and the barrier so that the leak is detected. The barrier
is shaped so that a leak will be directed towards the interstitial
monitor.
How often is the interstitial monitoring checked? - correct
answer- at least once every 30 days.
where should the barrier be located? - correct answer-
immediately around or beneath the tank
Automatic Tank Gauging System (ATG) - correct answer-
method that uses automated processes to monitor product level
and inventory level.
, 3 | Page
In inventory mode, what does the ATG replace? - correct
answer- replaced the gauge stick to measure product level and
perform inventory control.
True or False: the tank is taken out of service and level/temp
are mesured for an hour. - correct answer- True
How many gallons per hour must the ATG system be able to
detect? - correct answer- 0.2 gallons per hour.
ATG systems are equipt with what kind of alarms? - correct
answer- high and low product level, high water level and theft
Leaked petroleum produces vapors that can be detected
through what? - correct answer- soil gas
How many monitoring wells should be dug to monitor vapors? -
correct answer- minimum of 2 wells for 1 tank
three or more wells for two or more.