Study Guide California Designated Operator (PART 1) ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Exam questions with accurate detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The following are not "underground storage tanks" ✔✔ 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 ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
An "existing underground storage tank" means ✔✔ any underground storage tank installed
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
prior to January 1, 1984. ||\\//|| ||\\//|| ||\\//|| ||\\//||
Tank "ullage" is ✔✔ 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 ✔✔ 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 ✔✔ 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 ✔✔ 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 ✔✔ 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 ✔✔
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
1. Must contain 100% of the usable capacity of the primary containment for a single
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
container
2. Must contain 150% of the largest container or 10% of the aggregate volume for multiple
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
containers
3. 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.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
4. If backfill material is placed in the secondary containment system; the system must meet
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
specific standards [see 2631 (d) (3)] ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
5. Must be equipped with a collection system to accumulate, store and permit removal of
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
any liquid within the system. ||\\//|| ||\\//|| ||\\//|| ||\\//||
6. The floor of the system must be sloped to a collection sump and meet other design
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
standards [see 2631 (d) (5)]. ||\\//|| ||\\//|| ||\\//|| ||\\//||
Exam questions with accurate detailed solutions ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
The following are not "underground storage tanks" ✔✔ 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 ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
An "existing underground storage tank" means ✔✔ any underground storage tank installed
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
prior to January 1, 1984. ||\\//|| ||\\//|| ||\\//|| ||\\//||
Tank "ullage" is ✔✔ 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 ✔✔ 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 ✔✔ 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 ✔✔ 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 ✔✔ 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 ✔✔
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
1. Must contain 100% of the usable capacity of the primary containment for a single
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
container
2. Must contain 150% of the largest container or 10% of the aggregate volume for multiple
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
containers
3. 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.
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
4. If backfill material is placed in the secondary containment system; the system must meet
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
specific standards [see 2631 (d) (3)] ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
5. Must be equipped with a collection system to accumulate, store and permit removal of
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
any liquid within the system. ||\\//|| ||\\//|| ||\\//|| ||\\//||
6. The floor of the system must be sloped to a collection sump and meet other design
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
standards [see 2631 (d) (5)]. ||\\//|| ||\\//|| ||\\//|| ||\\//||
