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California Designated Operator 16 Study Guide With Correct Answers 2025., Exams of Internet and Information Access

Rasmussen College - IllinoisInternet and Information Access

California Designated Operator 16 Study Guide With Correct Answers 2025.

Typology: Exams

2024/2025

Available from 07/08/2025

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California Designated Operator 16 Study
Guide With Correct Answers 2025
The following are not "underground storage tanks" - correct answer.1. A farm Tank
2. A heating oil tank
3. A hydraulic lift tank
4. A liquefied petroleum gas tank
5. A septic tank
6. A sump, pit, pond or lagoon
7. A wastewater treatment tanks except if it is part of a UST system
8. A pipeline located in a refinery except if it is connected to an underground storage
tank
9. A storm water or waste water collection system
10. Tanks containing radioactive materials that are covered by the Atomic Energy Act
11. An emergency containment tank that is normally empty
12. Drums located in a basement and which contain 55 gallons or less of a hazardous
material
13. Underground storage tanks containing hazardous waste that are regulated by the
DTSC
14. A tank and associated piping located in a vault or basement and which meets the
requirements of section 25283.5 of the Health and Safety code
Title
An "existing underground storage tank" means - correct answer.any underground
storage tank installed prior to January 1, 1984.
Tank "ullage" is - correct answer.space between the product level and the top of the
tank (i.e., it is the empty space within the tank)
All new underground storage tanks including associated piping shall have - correct
answer.primary and secondary containment
The design and construction of the primary containment on all new tanks, including any
integral secondary containment system, shall be approved by - correct answer.an
independent testing organization in accordance with industry codes, voluntary
consensus standards, or engineering standards
The primary containment stem on all new tanks with or without an integral secondary
containment system shall - correct answer.wear plates (striker plates) installed below all
accessible openings.
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Download California Designated Operator 16 Study Guide With Correct Answers 2025. and more Exams Internet and Information Access in PDF only on Docsity!

California Designated Operator 16 Study

Guide With Correct Answers 2025

The following are not "underground storage tanks" - correct answer.1. A farm Tank

  1. A heating oil tank
  2. A hydraulic lift tank
  3. A liquefied petroleum gas tank
  4. A septic tank
  5. A sump, pit, pond or lagoon
  6. A wastewater treatment tanks except if it is part of a UST system
  7. A pipeline located in a refinery except if it is connected to an underground storage tank
  8. A storm water or waste water collection system
  9. Tanks containing radioactive materials that are covered by the Atomic Energy Act
  10. An emergency containment tank that is normally empty
  11. Drums located in a basement and which contain 55 gallons or less of a hazardous material
  12. Underground storage tanks containing hazardous waste that are regulated by the DTSC
  13. A tank and associated piping located in a vault or basement and which meets the requirements of section 25283.5 of the Health and Safety code Title An "existing underground storage tank" means - correct answer.any underground storage tank installed prior to January 1, 1984. Tank "ullage" is - correct answer.space between the product level and the top of the tank (i.e., it is the empty space within the tank) All new underground storage tanks including associated piping shall have - correct answer.primary and secondary containment The design and construction of the primary containment on all new tanks, including any integral secondary containment system, shall be approved by - correct answer.an independent testing organization in accordance with industry codes, voluntary consensus standards, or engineering standards The primary containment stem on all new tanks with or without an integral secondary containment system shall - correct answer.wear plates (striker plates) installed below all accessible openings.

A secondary containment system for a new tank which is not an integral part of the of the primary containment shall be - correct answer.designed and constructed according to an engineering specification approved by a state registered professional engineer or according to a nationally recognized industry code or engineering standard. The following requirements apply to non-integral secondary containment on new tanks - correct answer.1. Must contain 100% of the usable capacity of the primary containment for a single container

  1. Must contain 150% of the largest container or 10% of the aggregate volume for multiple containers
  2. If open to rainfall, must accommodate the amount of rain that could enter the system during a 24hour, 25-year storm in addition to the applicable volume in items 1 or 2 above.
  3. If backfill material is placed in the secondary containment system, the system must meet specific standards [see 2631 (d) (3)]
  4. Must be equipped with a collection system to accumulate, store and permit removal of any liquid within the system.
  5. The floor of the system must be sloped to a collection sump and meet other design standards [see 2631 (d) (5)].
  6. If a membrane liner is used (e.g., excavation liner), the design shall meet specific design standards [seee 2631 (d) (6)] New underground storage tanks with secondary containment shall be - correct answer.designed and installed so that any loss of hazardous substance from the primary containment will be detected by an interstitial monitoring device or method. Owners or operators of new underground storage tanks shall implement a monitoring program that: - correct answer.1. Is approved by the local agency and specified in the operating permit.
  7. Includes either visual or mechanical monitoring of the interstitial space. A visual interstitial monitoring plan for new tanks shall include: - correct answer.1. Inspection of all tank surfaces and the floor beneath the tank by direct viewing
  8. Daily inspections except on weekends or recognized state and federal holiday. (This requirement can be reduced at the discretion of the local agency depending but shall not be less than weekly).
  9. Recording of the liquid level in the tank at the time of each inspection.
  10. Provisions for sample collection and analysis of any observed liquid release. If analysis determines that a release may have occurred, a tank integrity test must be conducted. A monitoring program that relies on the mechanical or electrical detection in the interstitial space shall include: - correct answer.1. Continuous monitoring of the interstitial space
  11. An audible and visual alarm system approved by the local agency
  1. All secondary containment systems shall pas a post-installation test approved by the agency
  2. After installation, but before putting the tank into service, a tank integrity test shall be conducted to ensure that no damage occurred during installation
  3. All tanks shall be installed according to a code of practice developed in accordance with voluntary consensus standards and the manufacturer's installation instructions
  4. All tanks subject to floatation shall be anchored The two types of cathodic protection for new steel tanks are: - correct answer.1. Field installed system (e.g., impressed current system) a. Must be designed and certified by a corrosion specialist b. Must be inspected every 60 days
  5. Fiberglass, composites, or equivalent non-metallic exterior coverings, including sacrificial anode systems a. Must be tested at the installation site b. Sacrificial anode systems must be checked every 3 years All new underground storage tanks shall be equipped with spill containers and an overfill prevention system that meets the following requirements: - correct answer.1. The spill container shall collect any hazardous material spilled during product delivery operations
  6. The overfill prevention shall not allow manual override The spill containers (e.g., spill bucket) on all new tanks shall meet the following requirements: - correct answer.1. If it is made of metal, the exterior wall shall be protected from corrosion
  7. It shall have a minimum capacity of 5 gallons
  8. It shall have a drain valve which allows drainage back into the tank or provide a means to keep the spill container empty (e.g., hand pump) The overfill prevention system on all new tanks shall meet the following requirements: - correct answer.1. Alert the transfer operator when the tank is 90% full by restricting flow, into the tank or triggering an audible and visual alarm (e.g., ball float valve with Veeder Root high-level alarm); OR
  9. Restrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the restriction occurs when the tank is no more than 95% full; and activate an audible alarm at least 5 minutes before the tank overfills; OR
  10. Provide positive shut-off of flow to the tank when the tank is filled to no more than 95% of capacity (e.g., flapper valve); OR
  11. Provide positive shut-off of flow to the tank so that none of the fittings located on the top of the tank are exposed to product due to overfilling The overfill prevention system on all new tanks shall meet the following requirements: - correct answer.1. Alert the transfer operator when the tank is 90% full by restricting flow, into the tank or triggering an audible and visual alarm (e.g., ball float valve with Veeder Root high-level alarm); OR
  1. Restrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the restriction occurs when the tank is no more than 95% full; and activate an audible alarm at least 5 minutes before the tank overfills; OR
  2. Provide positive shut-off of flow to the tank when the tank is filled to no more than 95% of capacity (e.g., flapper valve); OR
  3. Provide positive shut-off of flow to the tank so that none of the fittings located on the top of the tank are exposed to product due to overfilling The local agency may waive the requirement for overfill prevention equipment where: - correct answer.1. The tank fill point is in an observable area
  4. The spill container is adequate to collect any overfill
  5. The tank system is filled by transfers of no more than 25 gallons The secondary containment system for all new underground tanks shall: - correct answer.1. Encompass the entire primary system
  6. Prevent the inflow of groundwater
  7. Drainage of the liquid within the secondary shall be controlled in manner approved by the local agency to prevent discharge into the environment
  8. Underground systems must be protected by asphalt, concrete or similar barrier that extends a minimum of one foot beyond the boundary of the original excavation
  9. The actual location of the tanks and piping shall be indicated on as-built drawing that are provided to the local agency Secondary containment systems that contain backfill in the interstitial space (e.g., excavation liners) shall: - correct answer.1. Be evaluated to determine the movement of the leak and designed accordingly
  10. Be constructed such that backfill material does not impede movement of the release
  11. Be designed to optimize flow of a release to the monitoring/collection point Owners or their agents shall - correct answer.certify that the installation of the tanks and piping meets applicable requirements. This certification shall be made on a "Certificate of Compliance for Underground Storage Tank Installation Form C" Underground piping installed after July 1, 1987 shall have secondary containment that complies with requirements for new underground storage tanks. Exclusions to this requirement: - correct answer.1. Vent or tank riser piping
  12. Vapor recovery piping
  13. Suction piping All corrodible (e.g., steel pipe) shall be protected against - correct answer.corrosion Primary piping in contact with hazardous substances shall be installed in a secondary containment system which may be a: - correct answer.1. Secondary pipe
  14. Vault
  15. Lined trench

Secondary containment testing shall be conducted as follows: - correct answer.1. Tests shall be conducted according to manufacturer's requirements using a test procedure that demonstrates the system performs at least as well as it did at the time of installation.

  1. Testing shall be performed by a contractor licensed by the a. Licensed tank tester b. Licensed tank installer c. A contractor licensed by the California State License Board with an appropriate license type
  2. Tank owners shall submit results within 30 days of the completed test
  3. The local agency must be notified 48 hours prior to commencement of the test Persons performing installation, repair, maintenance, or certification of secondary containment systems shall be - correct answer.trained and certified by the manufacturer of the associated equipment before doing any work and re-certified at the recommended intervals or every 36 months. If the owner of a tank determines that a secondary containment system cannot be tested in accordance with the regulation, the system shall be - correct answer.replaced or an enhanced leak detection (ELD) test shall be performed Secondary containment systems that are continuously monitored (i.e., liquid-filled tank annulars, continuous vacuum; etc.) are exempt from - correct answer.secondary containment testing requirements. All monitoring equipment used to satisfy monitoring requirements for new tank systems shall be - correct answer.installed calibrated, operated and maintained in accordance with manufacturer's requirements. All monitoring equipment used to meet monitoring system requirements for new tank systems shall be - correct answer.recertified every 12 months to ensure proper operation. Annual monitoring systems shall be conducted as follows - correct answer.1. Tests shall be conducted by a contractor licensed by the California State License Board with an appropriate license type
  4. Annual monitoring system certifications shall be completed on the State "Monitoring System Certification" form.
  5. The local agency must be notified 48 hours prior to commencement of the test
  6. A person conducting a monitoring system certification shall affix a sticker to all affected equipment indicating the date the component was certified and the contractor's license number. Persons performing installation, repair, maintenance, or annual certification of monitoring systems shall be - correct answer.trained and certified by the manufacturer

of the associated equipment before doing any work and recertified at the recommended intervals or every 36 months. Existing UST - correct answer.This section applies to underground storage tanks installed before January 1, 1984 which contain a hazardous substance Owners or operators of existing underground storage tanks shall implement a monitoring program which is capable of detecting an - correct answer.unauthorized release from any portion of the system at the earliest possible opportunity Suction piping is exempt from monitoring requirements if it meets - correct answer.design and construction requirements The monitoring program shall comply with Title 23 and be approved by the local agency. The local agency can impose more stringent requirements based on - correct answer.site- and equipment-specific conditions. The monitoring program shall include - correct answer.written monitoring procedures and a response plan All portions of the underground storage tank system shall be visually monitored. This requirement may be waived if: - correct answer.1. It is not accessible for viewing (e.g., it is underground)

  1. Visual inspection would be hazardous
  2. The UST is located at a facility that is not normally staffed. A visual monitoring program shall include the following - correct answer.1. A visual inspection of all exterior surfaces shall be conducted daily
  3. Inspections shall be scheduled so that some are conducted when the substance in the tank is at its highest level
  4. A written monitoring procedure must be available at the facility and shall include the following information: a. Inspection frequency b. Location from which inspections will be made c. The name and title of the persons responsible for the inspections d. Written records of the inspections shall be maintained for a minimum of 3 years If liquid is observed during a visual monitoring inspection, the owner or operator shall determine if an unauthorized release has occurred by performing - correct answer.a tank integrity test or implementing another acceptable method. Non-visual monitoring of UST systems shall be implemented for all portions of the UST system that are - correct answer.exempt from visual monitoring requirements Non-visual monitoring can be both quantitative and qualitative. Examples of each are as follows: - correct answer.1. Quantitative

a. Be conducted at least hourly b. Detect a leak of 3.0 gallons/hour c. Restrict or shut-off flow of the product OR trigger a visual and audible

  1. In addition to item 1. above the piping shall be a. Tested monthly at a leak threshold of 0.2 gallons/hour OR b. Tested annually at a leak threshold of 0.1 gallons/hour Non-visual, quantitative monitoring of suction piping (less than atmospheric) shall be conducted as follows: - correct answer.1. Shall be conducted once every 3 years
  2. Detect a leak of 0.1 gallons/hour
  3. Monitored daily per appropriate requirements (see Appendix II) Non-visual, quantitative monitoring of gravity piping (e.g., tank riser piping) shall be conducted as follows: - correct answer.1. Shall be conducted at least once every 2 years
  4. Detect a leak of 0.1 gallons/hour
  5. If the piping cannot be isolated, it shall be tested using an overfilled volumetric tank integrity test or other test meeting the appropriate requirements [see Title 23 section 2643(f)] If a tank or piping test is being conducted as part of a quantitative monitoring program, the owner or operator shall: - correct answer.1. Notify the local agency 48 hours in advance of the test unless this requirement is waived by the local agency
  6. Submit the results of the test within 30 days of completion A tank integrity test that is used as part of a monitoring program shall meet appropriate regulatory requirements and shall be conducted using one of the following methods: - correct answer.1. A volumetric Test a. Shall be capable of detecting a release of 0.1 gph from any portion of the tank b. The tank must be at least 65% full or the tank can be at any product level if the entire tank is tested under pressure equivalent to a full tank c. If the test is conducted at a product level lower than the overfill protection device set point, a nonvolumetric test must be performed on the ullage portion of the tank
  7. Nonvolumetric Test a. Must be capable of detecting a 0.1 gph leak from any portion of the tank at any product level An owner or operator of an existing underground storage tank system with a single- walled component that is within - correct answer.1,000 feet of a public drinking water well shall implement a program of enhanced leak detection (ELD). If a facility is located within 1,000 feet of a public drinking water well, the State Water Board will notify the owner or operator of the requirement to implement - correct answer.an ELD monitoring program.

The following piping types are not considered single-walled components for ELD purposes: - correct answer.1. Vent piping

  1. Tank riser piping
  2. Vapor recovery piping
  3. Suction piping If an owner or operator is required to implement an ELD program as part of the overall monitoring , the following requirements shall be met: - correct answer.1. The test shall be accomplished by introducing a substance into product within the tank system, then testing the secondary components and/or backfill material for the presence of the substance. 2. The method shall be 3rd party certified and have the capability of detecting both liquid and vapor releases at a rate of 0.005 gph
  4. The program shall be reviewed and approved by the local agency within 6 months of notification by the State Water Board of the requirement to implement an ELD program.
  5. The owner or operator shall notify the local agency 48 hours prior to conducting the test unless this requirement is waived by the local agency
  6. The owner or operator shall submit a copy of the test results within 60 days of completion of the test If a qualitative release method is used (e.g., tank annular sensors, sump sensors, ground water monitoring, etc.), the system and associated equipment must be evaluated by a 3rd party and certified for accuracy and response time. The following requirements must also be met: - correct answer.1. If product piping does not have a line leak detector and is monitored via piping sloped back to a low-point sump with a sensor, the piping must be tested for tightness annually using an appropriate method.
  7. Vadose zone monitoring must be conducted in accordance with appropriate requirements (see Title 23 section 2647).
  8. Groundwater monitoring must be conducted in accordance with appropriate requirements (see Title 23 section 2648).
  9. Any qualitative method that includes the installation of monitoring wells or drilling other borings shall comply with appropriate requirements (see Title 23 section 2649) Manual inventory reconciliation may be used as part of a non-visual monitoring program for existing tanks. If manual inventory reconciliation is used, the following is required: - correct answer.see following 1- 3
  10. Each tank is monitored individually in accordance with the following procedures - correct answer.a. Separate measurements are taking daily of the fuel and water levels in the tanks b. Daily reading must be taken of the input (fuel deliveries) and withdrawals (gasoline dispensed) c. Product must be allowed to stabilize prior to taking measurements d. Product must be delivered to the tank through a drop tube that extends within 12 inches of the bottom of the tank

report. A local agency may also require these tests if frequent inconclusive results are reported

  1. A piping tightness test shall be conducted in accordance with Title 23 section 2643 (c), (d) or (e)
  2. On an annual basis, the owner or operator shall submit a written statement to the local agency which indicate Manual tank gauging may be used as part of a non-visual monitoring program for existing underground tanks if: - correct answer.1. The total system capacity is less than 2,000 gallons
  3. Tank gauging is conducted weekly
  4. The associated piping is tested per appropriate requirements
  5. Tank testing is performed per appropriate requirements Owners or operators of existing USTs who use vadose zone monitoring as part of a non-visual monitoring program shall comply with all - correct answer.applicable requirements for vadose zone monitoring (Title 23 section 2647) and well construction and sampling requirements (Title 23 section 2649) Owners or operators of existing USTs who use ground water monitoring as part of a non-visual monitoring program shall comply with all - correct answer.applicable requirements for ground water monitoring (Title 23 section 2648) and well construction and sampling requirements (Title 23 section 2649)