1|Page
ICC U2 UST DECOMMISSIONING NEWEST 2025
ACTUAL EXAM COMPLETE QUESTIONS AND
100%CORRECT DETAILED ANSWERS (VERIFIED AND
GRADED A+||BRAND NEW!!
Secondary containment was required for all pressurized,
petroleum underground piping installed after
a. December 22, 1998
b. July 1, 2003
c. January 1, 1984
d. July 1, 1987 - ANSWER-d. July 1, 1987
H≻ 25291 (a)(7)(E)
,2|Page
Fiberglass tanks shall be repaired by the following, except:
a.) Small fractures and fissures may be repaired with
epoxy
b.) Fiberglass cloth with a minimum dimension 12 x 12
inches centered over the area to be repaired.
c.) A second layer of fiberglass cloth shall be installed
directly over the primary cloth layer and shall be cut to
overlap the primary patch by 5 inches on all sides.
d.) The repaired tank shall be tested for tightness within 30
calendar days following the date of the completion of the
repair. - ANSWER-c.) A second layer of fiberglass cloth
shall be installed directly over the primary cloth layer and
,3|Page
shall be cut to overlap the primary patch by 5 inches on all
sides.
CCR Title 23, Sec 2661(d)(4)
Automatic line leak detectors shall be installed on
underground pressurized piping and shall be capable of
detecting a 3-gallon per hour leak rate at 10 psi within 1
hour with a probability of detection of at least ______%
and a probability of false alarm no greater than
_______%.
a.) 95, 5
b.) 98, 2
c.) 5, 95
d.) 2, 98 - ANSWER-a.) 95, 5
, 4|Page
CCR Title 23, Sec 2636(f)(2) & 2643(c)(1)
An emergency impact valve (shear valve) is found in the
following location on an UST System.
a.) At the turbine piping termination
b.) Base of the dispenser
c.) Under the extractor tee
d.) Spill container - ANSWER-b.) Base of the dispenser
Notification to perform a secondary containment test must
be given to the local agency by:
a.) A service technician or a licensed tank tester.
b.) Cathodic protection tester.
ICC U2 UST DECOMMISSIONING NEWEST 2025
ACTUAL EXAM COMPLETE QUESTIONS AND
100%CORRECT DETAILED ANSWERS (VERIFIED AND
GRADED A+||BRAND NEW!!
Secondary containment was required for all pressurized,
petroleum underground piping installed after
a. December 22, 1998
b. July 1, 2003
c. January 1, 1984
d. July 1, 1987 - ANSWER-d. July 1, 1987
H≻ 25291 (a)(7)(E)
,2|Page
Fiberglass tanks shall be repaired by the following, except:
a.) Small fractures and fissures may be repaired with
epoxy
b.) Fiberglass cloth with a minimum dimension 12 x 12
inches centered over the area to be repaired.
c.) A second layer of fiberglass cloth shall be installed
directly over the primary cloth layer and shall be cut to
overlap the primary patch by 5 inches on all sides.
d.) The repaired tank shall be tested for tightness within 30
calendar days following the date of the completion of the
repair. - ANSWER-c.) A second layer of fiberglass cloth
shall be installed directly over the primary cloth layer and
,3|Page
shall be cut to overlap the primary patch by 5 inches on all
sides.
CCR Title 23, Sec 2661(d)(4)
Automatic line leak detectors shall be installed on
underground pressurized piping and shall be capable of
detecting a 3-gallon per hour leak rate at 10 psi within 1
hour with a probability of detection of at least ______%
and a probability of false alarm no greater than
_______%.
a.) 95, 5
b.) 98, 2
c.) 5, 95
d.) 2, 98 - ANSWER-a.) 95, 5
, 4|Page
CCR Title 23, Sec 2636(f)(2) & 2643(c)(1)
An emergency impact valve (shear valve) is found in the
following location on an UST System.
a.) At the turbine piping termination
b.) Base of the dispenser
c.) Under the extractor tee
d.) Spill container - ANSWER-b.) Base of the dispenser
Notification to perform a secondary containment test must
be given to the local agency by:
a.) A service technician or a licensed tank tester.
b.) Cathodic protection tester.