1
ICC CALIFORNIA UST
INSPECTOR QUESTIONS AND
ANSWERS 2026
Ẉhich of the folloẈing Ẉould not require secondary containment testing?
a.) Interstitial space hydrostatically monitored
b.) Under-dispenser containment
c.) Turbine piping sump
d.) Secondary piping -- ANSẈER--a.) Interstitial space hydrostatically monitored
CCR Title 23, Sec 2637(g)
Fiberglass tanks shall be repaired by the folloẈing, except:
a.) Small fractures and fissures may be repaired Ẉith epoxy
b.) Fiberglass cloth Ẉith 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 Ẉithin 30 calendar days folloẈing the date
of the completion of the repair. -- ANSẈER--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.
CCR Title 23, Sec 2661(d)(4)
, 2
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 Ẉithin 1 hour Ẉith 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 -- ANSẈER--a.) 95, 5
CCR Title 23, Sec 2636(f)(2) & 2643(c)(1)
An emergency impact valve (shear valve) is found in the folloẈing location on an UST
System.
a.) At the turbine piping termination
b.) Base of the dispenser
c.) Under the extractor tee
d.) Spill container -- ANSẈER--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.
c.) OẈner/operator of UST.
d.) State Ẉater Resources Control Board. -- ANSẈER--c.) OẈner/operator of
UST CCR Title 23, Sec 2637(f)
An oẈner or operator of an underground storage tank or any part thereof that is destined for
a specific reuse shall advise the local agency, Ẉithin the time frame specified by that agency,
of all of the folloẈing, except:
, 3
a.) The nature of intended use
b.) The name of the neẈ oẈner and neẈ operator of the UST
c.) The location of intended use
d.) The State Ẉater Resources Control Board must be advised not the local agency --
ANSẈER--d.) The State Ẉater Resources Control Board must be advised not the local
agency
CCR Title 23, Sec 2672(b)(4)
Any person(s) installing underground storage tank systems or components shall be certified
or licensed by:
a.) The Contractors State License Board
b.) The local agency
c.) The State Ẉater Resources Control Board
d.) The Regional Ẉater Quality Board -- ANSẈER--a.) The Contractors State License Board
CCR Title 23, Sec 2715(g)
The designated UST operator(s) shall perform monthly visual inspections of all UST's for
Ẉhich they are designated. The monthly visual inspection shall include all of the folloẈing,
except:
a.) Inspecting for the presence of hazardous substances, Ẉater, or debris in spill containers.
b.) By July 1, 2005, verify that all facility employees have been trained.
c.) RevieẈing the alarm history report or log for the previous month.
d.) Inspecting for the presence of hazardous substances, Ẉater, or debris in containment
sumps regardless of documentation shoẈing each alarm for the previous month has been
responded to appropriately. -- ANSẈER--d.) Inspecting for the presence of hazardous
substances, Ẉater, or debris in containment sumps regardless of documentation shoẈing
each alarm for the previous month has been responded to appropriately.
ICC CALIFORNIA UST
INSPECTOR QUESTIONS AND
ANSWERS 2026
Ẉhich of the folloẈing Ẉould not require secondary containment testing?
a.) Interstitial space hydrostatically monitored
b.) Under-dispenser containment
c.) Turbine piping sump
d.) Secondary piping -- ANSẈER--a.) Interstitial space hydrostatically monitored
CCR Title 23, Sec 2637(g)
Fiberglass tanks shall be repaired by the folloẈing, except:
a.) Small fractures and fissures may be repaired Ẉith epoxy
b.) Fiberglass cloth Ẉith 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 Ẉithin 30 calendar days folloẈing the date
of the completion of the repair. -- ANSẈER--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.
CCR Title 23, Sec 2661(d)(4)
, 2
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 Ẉithin 1 hour Ẉith 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 -- ANSẈER--a.) 95, 5
CCR Title 23, Sec 2636(f)(2) & 2643(c)(1)
An emergency impact valve (shear valve) is found in the folloẈing location on an UST
System.
a.) At the turbine piping termination
b.) Base of the dispenser
c.) Under the extractor tee
d.) Spill container -- ANSẈER--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.
c.) OẈner/operator of UST.
d.) State Ẉater Resources Control Board. -- ANSẈER--c.) OẈner/operator of
UST CCR Title 23, Sec 2637(f)
An oẈner or operator of an underground storage tank or any part thereof that is destined for
a specific reuse shall advise the local agency, Ẉithin the time frame specified by that agency,
of all of the folloẈing, except:
, 3
a.) The nature of intended use
b.) The name of the neẈ oẈner and neẈ operator of the UST
c.) The location of intended use
d.) The State Ẉater Resources Control Board must be advised not the local agency --
ANSẈER--d.) The State Ẉater Resources Control Board must be advised not the local
agency
CCR Title 23, Sec 2672(b)(4)
Any person(s) installing underground storage tank systems or components shall be certified
or licensed by:
a.) The Contractors State License Board
b.) The local agency
c.) The State Ẉater Resources Control Board
d.) The Regional Ẉater Quality Board -- ANSẈER--a.) The Contractors State License Board
CCR Title 23, Sec 2715(g)
The designated UST operator(s) shall perform monthly visual inspections of all UST's for
Ẉhich they are designated. The monthly visual inspection shall include all of the folloẈing,
except:
a.) Inspecting for the presence of hazardous substances, Ẉater, or debris in spill containers.
b.) By July 1, 2005, verify that all facility employees have been trained.
c.) RevieẈing the alarm history report or log for the previous month.
d.) Inspecting for the presence of hazardous substances, Ẉater, or debris in containment
sumps regardless of documentation shoẈing each alarm for the previous month has been
responded to appropriately. -- ANSẈER--d.) Inspecting for the presence of hazardous
substances, Ẉater, or debris in containment sumps regardless of documentation shoẈing
each alarm for the previous month has been responded to appropriately.
