ICC California UST Inspector Exam New 2024-025 with All

ICC California UST Inspector Exam New 2024-025 with All Questions from Actual Past Exams and 100% Correct Answers

Single-wall UST Systems containing the following substances must be upgraded to

double-wall UST Systems with the exception of:

a.) Tanks containing liquids with a pH>13 b.) Waste oil tanks c.) Solvent tanks d.) Motor vehicle fuel tanks ----------- Correct Answer ----------- d.) Motor vehicle fuel tanks CCR Title 23, Sec 2662(b)

What is the purpose of interstitial monitoring:

a.) To detect leaks in the under-dispenser containment.b.) To detect the presence of liquid between the primary and secondary containment.c.) To monitor tank volume.d.) To regulate fuel flow to the dispenser. ----------- Correct Answer ----------- b.) To detect the presence of liquid between the primary and secondary containment.CCR Title 23, Sec 2611 'Interstitial space' & 2632(b)

A written statement indicating SIR results must be submitted to the ____every____ ------ ---- Correct Answer ---------- SIR results must be submitted to the local agency every 12 months.

The following are overfilled protection systems EXCEPT: ---------- Correct Answer -------- -- Spill buckets

When an automatic tank gauge is utilized for single wall tank leak detection, it will generate a post-test, hard copy data report of the following information EXCEPT: ---------

• Correct Answer ---------- Outside air temperature.

The approved cathodic protection methods include what? ---------- Correct Answer ------- --- Sacrificial anodes, Impressed current systems

All of following is correct for manual inventory reconciliation (MIR), EXCEPT?

• Measuring equipment must be able to determine the level in the UST to nearest 1/8/

inch

• If a dipstick is used, water-finding paste must be applied to the dipstick
• Daily means no less than seven days per week 1 / 4

• MIR shall not be used as the sole single wall UST monitoring alternative after

12/22/1998. ----------- Correct Answer ----------- c. Daily means no less than seven days per week

CCR; 2646- in old text, not the new 2018 version- NOT valid as of July 2019

(says, "daily means every day that fuel is added to or withdrawn from tank, but no less than 5 days per week

Which of the following is true regarding manual tank gauging (MTG)?

• The UST must be taken out of service for at least 36 or 60 consecutive hours to

conduct MTG.

• MTG can be used on tanks with secondary containment.
• If the test period for a 1000-gallon UST is 36 hours an annual tank integrity test is

also required.

• MTG can be used on a 2000 gallon-UST after December 22, 1998. ----------- Correct

Answer ----------- c. If the test period for a 1000-gallon UST is 36 hours, an annual tank integrity test is also required.

CCR; 2645- missing from new 2018 version of CCR

All of the following is correct for vadose zone monitoring, EXCEPT

• Vadose zone monitoring cannot be used as the sole monitoring method if the ground

water is less than 10 feet below the tank.

• Vadose zone monitoring shall be conducted continuously. Other vadose zone

monitoring shall be conducted weekly.

• The monitoring points should be located outside of the backfill, if possible.
• Background contamination shall not interfere with the method used to detect

releases. ----------- Correct Answer ----------- c. The monitoring points should be located outside of the backfill, if possible.

CCR; 2647

All of the following is required on a hard copy of a monthly ATG monitoring test for a single-wall UST, EXCEPT?

• Water & fuel depth
• Date & time
• Temperature & pressure
• Duration of test ----------- Correct Answer ----------- c. Temperature & pressure

CCR; 2643 (b)(1)

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Select the most accurate monitoring alternative for single wall pressurized piping after December 22, 1998?

• 3.0 gph hourly and 0.1 annual integrity test at any pressure.
• 3.0 gph hourly and 0.2 monthly at 150% operating pressure.
• 3.0 gph hourly with shut down and fail safe and a 0.2 monthly or 0.1 annual test.
• Continuous statistical leak detection ----------- Correct Answer ----------- c. 3.0 gph

hourly with shut down and fail safe and a 0.2 monthly or 0.1 annual test.

CCR; 2643 (c), 2666

All of the following are required for monitoring single wall suction piping, EXCEPT?

• Daily monitoring per 23 CCR, Chapter 16, Appendix II
• Written records of the daily inspection must be maintained at the facility site.
• Must be tested at least every three years.
• A line leak detector capable of a 3.0-gph test must be installed. ----------- Correct

Answer ----------- d. A line leak detector capable of a 3.0-gph test must be installed.

CCR; 2643 (d)

All of the following is correct regarding when under-dispenser containment was required, EXCEPT?

• At the time of installation for systems installed after January 1, 2000.
• By July 1, 2001, for systems installed after July 1, 1987 that are located within 1,000

feet of a public drinking water well.

• By December 31, 2003, for systems installed on or prior to January 1, 2000 that are

not located with 1000 feet of a public drinking water well.

• By January 1, 2005 for facilities that conduct annual ELD. ----------- Correct Answer ---

-------- d. By January 1, 2005 for facilities that conduct annual ELD.

CCR; 2636 (g)

All of the following are correct regarding when secondary containment must be tested,

EXCEPT?

• Secondary containment systems must be tested every 36 months.
• Secondary containment systems installed on or after January 1, 2001 shall be tested

upon installation, and 6 months after installation, and every 36 months thereafter.

• Secondary containment systems installed prior to January 1, 2001 shall be tested by

January 1, 2003 and every 36 months thereafter.

• Secondary containment within 1000 feet of a drinking water well must be tested using

ELD every 36 months. ----------- Correct Answer ----------- d. Secondary containment within 1000 feet of a drinking water well must be tested using ELD every 36 months.

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CCR; 2637 (a)&(b), H&SC, 25292.5 (a)

All of the following are listed in the hierarchy of secondary containment testing protocols, EXCEPT?

• Manufacturers guideline or standards
• Applicable method specified in industry code or engineering standard
• A test method approved by a registered professional engineer.
• A protocol written by the local agency ----------- Correct Answer ----------- d. A protocol

written by the local agency

CCR; 2637 (c)

A new underground storage tank means

• An underground storage tank that was installed after December 22, 1998
• An underground storage tank that was installed after 1987
• An underground storage tank that is not an existing underground storage
• An underground storage tank that was installed after July 1, 2003 ----------- Correct

Answer ----------- c. An underground storage tank that is not an existing underground storage CCR Title 23, Sec 2611

The Federal law governing underground storage tank is know as:

• The Underground Storage of Hazardous Substances Control Act
• The Clean Water Act
• The Safe Drinking Water Act
• The Resource Conservation and Recovery Act, Subtitle I ----------- Correct Answer ----

------- d. The Resource Conservation and Recovery Act, Subtitle I

The Federal Act is coded in what section of US Code?

• The Underground Storage of Hazardous Substances Control Act
• The Clean Water Act
• The Safe Drinking Water Act
• Subchapter IX of chapter 82 of Title 42 of the United States Code, as added by the

Hazardous and Solid Waste Amendments of 1984, or as it may subsequently be amended or supplemented. ----------- Correct Answer ----------- d. Subchapter IX of chapter 82 of Title 42 of the United States Code, as added by the Hazardous and Solid Waste Amendments of 1984, or as it may subsequently be amended or supplemented.H≻ 25281

All of the following are required to be labeled on the exterior surface of an underground storage tank, EXCEPT?

• Maximum operating temperature in degrees Fahrenheit
• Nominal Capacity in gallons
• Useable capacity in gallons
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