ICC DECOMMISSIONING (U2) EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 - 2026
inerting a tank is? - ANSWERS-Removing the oxygen.
purging a tank is? - ANSWERS-removing the fuel.
when purging a tank a combustible gas meter (CGI) must be used to
measure the presence of what? - ANSWERS-combustible gas or
solvent vapor
LEL stands for? - ANSWERS-Lower explosive limit
do not begin tank removal until? - ANSWERS-the LEL reading is
below 10%
, when using an educator air mover it must be grounded to an
approved grounding rod and bonded to the tank being purged. The
drop tube must remain In place to pick up vapors from the bottom
of the tank. - ANSWERS-
when discharging vapors from a tank you must be? - ANSWERS-12'
above grade
3' above adjacent roof lines.
5' above the highest projection of canopy (if vent line is attached to
canopy)
15' from any power or ventilation system.
when Inerting a tank what should be used? - ANSWERS-Oxygen
indicator.
upon confirmation of a release during removal activities owners/
operators/ removal contractors must? - ANSWERS-within 20 days
submit a report to the state implementing agency summarizing
initial abatement steps and results.
owners/ operators must keep tank closure letters for a minimum
of? _______ - ANSWERS-3 years
the flash point of diesel is? - ANSWERS-126-205 F
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 - 2026
inerting a tank is? - ANSWERS-Removing the oxygen.
purging a tank is? - ANSWERS-removing the fuel.
when purging a tank a combustible gas meter (CGI) must be used to
measure the presence of what? - ANSWERS-combustible gas or
solvent vapor
LEL stands for? - ANSWERS-Lower explosive limit
do not begin tank removal until? - ANSWERS-the LEL reading is
below 10%
, when using an educator air mover it must be grounded to an
approved grounding rod and bonded to the tank being purged. The
drop tube must remain In place to pick up vapors from the bottom
of the tank. - ANSWERS-
when discharging vapors from a tank you must be? - ANSWERS-12'
above grade
3' above adjacent roof lines.
5' above the highest projection of canopy (if vent line is attached to
canopy)
15' from any power or ventilation system.
when Inerting a tank what should be used? - ANSWERS-Oxygen
indicator.
upon confirmation of a release during removal activities owners/
operators/ removal contractors must? - ANSWERS-within 20 days
submit a report to the state implementing agency summarizing
initial abatement steps and results.
owners/ operators must keep tank closure letters for a minimum
of? _______ - ANSWERS-3 years
the flash point of diesel is? - ANSWERS-126-205 F
