ICC U2 UST DECOMMISSIONING EXAM ACTUAL

ICC U2 UST DECOMMISSIONING EXAM (ACTUAL / )

QUESTIONS AND VERIFIED ANSWERS (GRADED A+)

Which monitoring requirement applies to all (suction, gravity, emergency generator) double wall piping?

• All secondary containment, including under-dispenser

containment, shall be equipped with a continuous monitoring system that either activates an audible and visual alarm or stops the flow of product at the dispenser when it detects a leak.

• After November 9, 2004 automatic line leak detectors shall

be installed on underground piping.

• A 0.1 gph annual pipe integrity test must be conducted.
• Positive pump shut-down and fail safe must be installed on

all leak detection devices. - ---Answers----a. All secondary containment, including under-dispenser containment, shall be equipped with a continuous monitoring system that either activates an audible and visual alarm or stops the flow of product at the dispenser when it detects a leak.

CCR; 2636 (f)(1)

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Additional pressurized piping monitoring options become effective November 9, 2004. Which of the following will not be a monitoring requirement for non-emergency generator, double wall, pressurized product piping after November 9, 2004?

• Continuous monitoring system that either activates an

audible and visual alarm or stops the flow of product at the dispenser when it detects a leak for all secondary containment, including under-dispenser containment.

• A 3.0-gph automatic line leak detector must be installed.
• An annual 0.1 piping test or positive pump shut-down and

fail safe for all secondary containment, except for the UDC monitoring.

• An annual 0.1 piping test or a monthly 0.2 gph pipe must be

conducted. - ---Answers----d. An annual 0.1 piping test or a monthly 0.2 gph pipe must be conducted.

CCR; 2626 (f) (monthly 0.2 gph is not authorized)

An additional pressurized piping monitoring requirement becomes effective November 9, 2004. Which of the following will not be a monitoring requirement for double wall, pressurized product piping for USTs that supply emergency generators after November 9, 2004?

• Continuous monitoring system that either activates an

audible and visual alarm or stops the flow of product at the 2 / 4

dispenser when it detects a leak for all secondary containment, including under-dispenser containment.

• A 3.0-gph automatic line leak detector must be installed or

daily visual or electronic inspections of the monitoring system must conducted and logged.

• An annual 0.1 piping test or positive pump shut-down and

fail safe for all secondary containment, except for the UDC monitoring.

• An annual 0.1 piping test or a monthly 0.2 gph pipe must be

conducted. - ---Answers----d. An annual 0.1 piping test or a monthly 0.2 gph pipe must be conducted.

CCR; 2636 (f)

All of the following are true regarding enhance leak detection

(ELD), EXCEPT?

• UST systems with single wall components within 1000 feet

of a public drinking water well must conduct ELD and repeat ELD every 36 months.

• Double wall UST systems within 1000 feet of a public

drinking water well must conduct ELD.

• USTs installed after July 1, 2003 undergo ELD or a 3rd party

approved inert gas test method.

• There are several different types of 3rd party approved ELD.
• ---Answers----d. There are several different types of 3rd

party approved ELD.

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CCR; 2640(e), 2644.1 and H≻ 25292.4, 25292.5, 25290.2(i), and 25290.1 (j)

All of the following are true regarding enhance leak detection

(ELD), EXCEPT?

• UST owners/operators that are required to implement a ELD

program must submit the program to the local agency for approval within 6 months of notification.

• UST owners/operators that are required to implement a ELD

program must implement the program within 18 months of notification.

• UST owners/operator must notify the local agency 48 hours

prior to ELD testing and submit a copy of the test results with 60 days.

• Secondary containment testing of emergency generator

systems using ELD are exempt from notification requirements.

• ---Answers----d. Secondary containment testing of

emergency generator systems using ELD are exempt from notification requirements.

CCR; 2644.1 and H&SC 25284.1(a)(4)(B)(ii)

What is the correct definition of an UST?

• Any one or combination of tanks, including pipes connected

thereto, that is used for the storage of hazardous substances

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