1. WYOMING WATER QUALITY RULES AND REGULATIONS (WQRR), CHAPTER 17
STORAGE TANK
RULES AND REGULATIONS

2. TABLE OF CONTENTS
IF YOU DON”T KNOW THE ANSWER YOU SHOULD BE ABLE TO LOOK IT UP USING THE TABLE OF CONTENTS

3. On what page would you find the answer to a question concerning inventory control?18 23 25 30

4. PART “A” Storage Tank Systems: Introduction
WWQRR CHAPTER 17, SECTIONS 1-5 PAGES 17-1 Through 17-8
Section 1 = Authority
Section 2 = Codes & Standards referenced in this Chapter
Section 3 = Purpose
Section 4 = Applicability
Section 5 = Definitions

5. What does the acronym CAP stand for?
Cathodic Anode Protection
Corrective Action Plan
Connected Ancilary Parts
Continuous Amperage Protocol
WWQRR, Chapter 17, Section 5 (k)

6. PART “B” Storage Tank Systems: Technical Specifications
SECTION 6 = DESIGN & CONSTRUCTION STANDARDS FOR UST SYSTEMS
SECTION 7 = SUBSTANDARD USTS
SECTION 8 = REPAIRS ALLOWED
WWQRR CHAPTER 17, SECTIONS 6 – 8 PAGES 17-9 Through 17-17

7. Diagram of UST system

8. Design & Construction Standards for UST Systems
CHAPTER 17, SECTION 6 – PAGE 17-9
In order to prevent releases due to structural failure, corrosion, or spills and overfills for as long as the UST system is used to store regulated substances, all owners and/or operators of UST systems shall meet the following requirements………..
This section is for Tanks, Piping, Spill and Overfill prevention Equipment, Installation and Certification of Installation

9. NEW AND REPLACEMENT TANK SYSTEMS
ALL NEW AND REPLACEMENT TANKS HAVE TO BE DOUBLE WALL AND ALL NEW AND REPLACEMENT PIPING HAS TO BE DOUBLE WALL AS WELL (WS )

10. OVERFILL AND SPILL PREVENTION
Chapter 17, Section 6(c) found on page 17-12
EVERY UST THAT RECEIVES DELIVERIES OF GREATER THAN 25 GALLONS, MUST HAVE OVERFILL AND SPILL PREVENTION EQUIPMENT.

11. Three Types of Overfill Devices
Butterfly valve in the drop tube
Ball check valve in the vent tube
Top of the tank must be vapor tight (not allowed on ASTs)
Both of the above devices restrict the flow when the tank is 95% full.
Chapter 17, Section 6(c)(i)(B)(I) page 17-11
Overfill alarm must function at 90% full
Chapter 17, Section 6(c)(i)(B)(II) page 17-13

12. Butterfly or Flapper Valve

14. Ball Float Valves

17. Overfill Alarm

18. Spill Bucket (Spill Prevention Device)

19. Spill Bucket (Spill Prevention Device)

20. Install an overfill alarm. Report a suspected release.
During an operator’s annual inspection, it was discovered that a tank gauging stick had been broken off and dropped into the fill tube with the butterfly valve. What should the operator do?
Install an overfill alarm.
Report a suspected release.
Report the violation to the DEQ and pay a pre-set penalty.
Remove the stick and check the butterfly valve for proper operation.
Chapter 17, Section 6(c) on page 17-11

21. A UST is not required to have spill and overfill protection if the tank is filled by transfers of how many gallons or less at one time ? 5 10 20 25
Chapter 17, Section 6(c)(ii)on page17-13

22. A butterfly valve in the drop tube.
Which of the following is NOT an approved overfill device for an underground storage tank?
A 3 gallon spill bucket.
A butterfly valve in the drop tube.
A ball check valve in the vent lines.
An overfill alarm that is visible or audible to the delivery driver.
Chapter 17, Section 6(c) on page this is a spill prevention device

23. An overfill alarm must:
Have an alarm of at least 95 decibels.
Be audible to the operator of the station.
Have a flashing light at least 12 feet above ground.
Be able to alert the transfer operator when the tank is no more than 90% full
Chapter 17, Section 6(c) on page17-13

24. Put the other 500 gallons of unleaded gasoline in the Premium tank.
As the operator of a station you ordered 4,000 gallons of unleaded gasoline delivered this morning. There was only 3,500 gallons of capacity in the unleaded tank. What can you legally do?
Put the other 500 gallons of unleaded gasoline in the Premium tank.
Send the 500 gallons back to the supplier
Ignore the overfill alarm and put the 500 gallons in the unleaded tank
Fill vehicles directly from the delivery truck until the unleaded gasoline is gone.

25. Install an overfill alarm.
When using a butterfly valve as an overfill device, what must be done if the device fails?
Remove the device.
Replace the device.
Install an overfill alarm.
Place a stick in the drop tube to hold the device open and allow deliveries to continue.
Chapter 17, Section 6(c) on page17-11

26. Design & Construction Standards for UST Systems (Cont.)
CHAPTER 17, SECTION 7 – PAGE 17-15
Substandard USTs. UST systems which do not meet the standards of Section 6 shall not be placed back into service if they have been out of use for more than one year. Substandard USTs shall be permanently closed or removed from the
ground in accordance with Part G of this chapter.
CHAPTER 17, SECTION 8 – PAGE 17-15
Repairs Allowed.
Owners and/or operators of storage tank systems shall ensure that repairs will prevent releases due to structural failure or corrosion as long as the storage tank system is used to store regulated substances. The repairs shall meet the
following ………..

27. PART “C” Storage Tank Systems: General Operating Requirements
Section 9 = Notification Requirements
Section 10 = Spill and Overfill Control
Section 11 = Operation & Maintenance of Corrosion Protection (CP)
Section 12 = Compatibility
Section 13 = Inspection and Right of Entry, Reporting, and Record Keeping.
WWQRR CHAPTER 17, SECTIONS 9 – 13 PAGE 17-18

28. Notification Requirements
CHAPTER 17, SECTION 9
New UST Systems. Any owner and/or operator who brings an underground storage tank system into use after May 8, 1986,shall, within thirty (30) days of bringing such tank into use, submit, on the form prescribed by the department, a notice of the existence of such tank system to the department.
Fees. Owners and/or operators of storage tank systems shall pay the annual fees specified by W.S no later than January 1 of each year or thirty (30) days after the first invoice, whichever is the later date. Fees are not prorated, the fee is assessed based on a calendar year. Fees begin on the date when the tank is first filled with a regulated substance and end on the date when the tank is placed permanently out of service or converted to a non-regulated use under these regulations.
Certification. All owners and/or operators of new UST systems shall certify on the notification form conformance with the following requirements of Section 6(a),6(b), 6(c), 6(d), as well as Release Detection Requirements in Sections and Financial responsibility requirements in Chapter 19 !

29. Notification Requirements Cont.
CHAPTER 17, SECTION 9
Installer Certification. All owners and/or operators of new UST systems shall ensure that the installer certifies on the notification form that the methods used to install the tanks and piping complies with the requirements in Section 6(d).
Requirements for sellers. After the effective date of these regulations, any person who sells a tank intended to be used as a regulated storage tank, and any person who transfers an existing storage tank system shall notify the purchaser of such tank of the owner's notification obligations in accordance with this section. After the effective date of these regulations, any person who sells a contaminated site shall notify the purchaser that the site is a contaminated site subject to requirements of this chapter.
Transfer of Control. Prior to the transfer of control of a storage tank system to a different owner and/or operator, notification of the transfer shall be provided to the department pursuant to W.S (a). Such notifications shall be provided on a form developed and provided by the department.

30. After 30 years, you are retiring and selling your service station
After 30 years, you are retiring and selling your service station. Which of the following is NOT required by the storage tank program?
Notify the Secretary of State that a change of ownership has taken place.
Provide copies of leak detection records for the past three years to the new owner.
Notify the new owner that that there are requirements under the storage tank program.
File a state form, signed by the current owner and the new owner showing that the transfer has taken place
Chapter 17, Section 9(f)

31. Spill and Overfill Control
CHAPTER 17, SECTION 10 – PAGE 17-19
Owners and/or operators of storage tank systems shall ensure that releases due to spilling or overfilling do not occur. The owner and/or operator shall ensure that the volume available in the tank is greater than the volume of regulated substance to be transferred to the tank before the transfer is made. The owner and/or operator shall also insure that the transfer operation is monitored constantly to prevent overfilling and spilling.
Owners and/or operators shall report, investigate, and clean up any spills and overfills in accordance with Section 22.
Surface spills that occur at a storage tank facility during the transfer of a regulated substance to the tank are required to be reported and cleaned up by any person owning or having controlled the regulated substance pursuant to Section 22(a) of this Chapter, and Chapter 4, Water Quality Rules and Regulations.

32. Operation and Maintenance of Corrosion Protection (CP)
CHAPTER 17, SECTION 11 – PAGE 17-20
All owners and/or operators of steel storage tank systems with CP shall comply with the following requirements to ensure that releases due to corrosion are prevented for as long as the storage tank system is used to store regulated substances:
Continuous Operation. All CP systems shall be operate and maintained to continuously provide corrosion protection to the metal components of that portion of the tank and piping that routinely contain regulated substances and are in contact with the ground. Once installed, CP systems shall not be removed, even if the tank has also been internally lined, as long as steel tanks or connected piping exist on that site. This does not preclude replacement of parts of the CP system which have become defective.

33. Operation and Maintenance of Corrosion Protection (CP) Cont.
CHAPTER 17, SECTION 11
Periodic Inspections. All storage tank systems equipped with CP systems shall be inspected for proper operation by a qualified CP tester in accordance with the following requirements:
(i) All CP systems shall be tested within six (6) months of installation and at
least once every three (3) years thereafter.
(ii) The criteria that are used to determine that CP is adequate shall be in
accordance with the NACE Standard RP , "Control of External
Corrosion on Metallic that is Buried, Partially Buried, or Submerged Liquid
Storage Systems.“
(iii) All CP systems shall be tested within six months of any repair or
substantial modification to the storage tank system, or any other
installation on the facility requiring excavation, in accordance with NACE
Standard RP

35. December 1, 2010 June 1, 2011 December 1, 2011 June 1, 2013
A filling station has steel STI-P3® tanks that were just installed on June 1, 2010 (they have sacrificial anodes). When is the first test of the sacrificial anodes due?
December 1, 2010
June 1, 2011
December 1, 2011
June 1, 2013
STI-P3® is a registered trademark of the Steel Tank Institute.
STI-P3® tanks have 3 corrosion prevention features: A sacrificial anode, a dielectric coating on the tank and dielectric bushings in all of the tank bungs.
Chapter 17, Section 11(b)(i) on page 17-20

36. August 17, 2011 February 17, 2011 August 17, 2013 February 17, 2013
A steel underground storage tank with CP was installed and it was last tested by a cathodic protection tester on August 17, When is the next test of the sacrificial anodes due?
August 17, 2011
February 17, 2011
August 17, 2013
February 17, 2013
Chapter 17, Section 11(b)(i) on page17-20

37. File the report and do nothing else.
A cathodic protection tester just reported that one of the steel tanks at a facility did not pass the sacrificial anode test. The report notes that the tank is not protected.
File the report and do nothing else.
Have the cathodic protection tester install additional anodes.
Wet the ground around the sacrificial anodes and retest the system.
Investigate the failing result retest the system and if it fails again hire a licensed corrosion expert to design the repairs or replacement system.
Chapter 17, Section 11(a) on page17-20 & Section 47(b) page

38. The last three years worth
A station has steel tanks protected by sacrificial anodes. How many of the required tests are required to be kept on file by the owner/operator?
The last two tests
The last three tests
The last three years worth
Every test since the tank was first installed.
Chapter 17, Section 11(d)(i) on page17-21

39. IMPRESSED CURRENT SYSTEMS

40. Operation and Maintenance of Corrosion Protection (CP) Cont.
CHAPTER 17, SECTION 11
Impressed Current Systems. Storage tank systems with impressed current CP systems shall also be inspected by the owner and/or operator every sixty (60) days to ensure the equipment is running properly. The owner and/or operator shall make a record of these inspections, including the date of the inspection, the voltage reading on the rectifier, the amperage reading on the rectifier, and the hour reading on a properly connected hour meter showing how long the system has operated since the last inspection. The owner and/or operator shall compare those readings to the readings determined to be correct during the last inspection required under paragraph (b) of this section. Large changes in the voltage or amperage readings, or zero readings, shall be investigated by the owner and/or operator.
Records. For storage tank systems using CP, records of the operation of the CP system shall be maintained in accordance with Section 13(c), to demonstrate compliance with the performance standards in this section.

42. All tanks and pressurized lines. All automatic tank gauging systems.
Of the following equipment, what is required to be tested within six months of any substantial modification to a storage tank system?
All tanks and pressurized lines.
All automatic tank gauging systems.
All corrosion protection systems, regardless of the type.
All automatic line leak detectors, regardless of the type.
Chapter 17, Section 11(b)(iii) on page 17-20

43. Never, this is an impressed current system.
A station has bare steel tanks protected against corrosion using an impressed current system. The system was last tested by a cathodic protection tester on April 1, When was the system required to be tested again by a cathodic protection tester?
October 1, 2010
April 1, 2011
April 1, 2013
Never, this is an impressed current system.
Chapter 17, Section 11(b)(i) on page 17-20

44. The last three years worth.
A station has steel tanks and lines protected against corrosion using an impressed current system. The operator is checking the rectifier monthly. How many of the operator’s check records are required to be on file?
The last two
The last three
The last three years worth.
Six months worth, regardless of how often it is checked.
Chapter 17, Section 11(d)(ii) on page 17-21

45. Compatibility CHAPTER 17, SECTION 12 – PAGE 17-21
Storage tank system(s) shall be made of, or lined with, materials that are compatible with the regulated substance stored.
Owners and/or operators storing alcohol blended gasoline shall use the following industry standards or practices to comply with this section:
(i) API Publication 1626, "Storing and Handling Ethanol and Gasoline-Ethanol Blends at Distribution Terminals and Service Stations"; and
(ii) API Publication 1627, "Storage and Handling of Gasoline-Methanol Blends at Distribution Terminals and Service Stations".

46. Institute groundwater monitoring for dissolved alcohol.
If you wish to convert to sell E-85 ethanol from an existing tank, which of the following must be done?
Institute groundwater monitoring for dissolved alcohol.
Replace all tanks and lines before the change is made, new tanks and lines must be double walled.
Insure that the there are no plastic parts that contact the E-85. All plastic dissolves in E-85.
Insure that all of the tanks, dispensers, lines, leak detection equipment, pipe dope, glue, and gasket materials are compatible with E-85.
Chapter 17, Section 12 on page 17-21

47. Inspection and Right of Entry, Reporting, and Recordkeeping
CHAPTER 17, SECTION 13 – PAGE 17-22
Inspection and Right of Entry. Any authorized agent of the State of Wyoming has the right of entry for inspection, assessments and corrective actions in accordance with the provisions of W.S
Owners and/or operators shall cooperate fully with inspections, including providing access to all manholes, dispenser cabinets, CP rectifiers, and tank monitoring equipment. Compliance with this section will require that owners and/or operators open manholes and other access points so that DEQ inspectors may see the condition of all equipment.
Recordkeeping. Owners and/or operators shall submit the following information to the department:
(i) Documentation of operation of CP Systems (Section 11);
(ii) Documentation of storage tank system repairs (Section 8);
(iii) Compliance with release detection requirements (Section 14 through 18 for USTs and Sections 36 and 37 for ASTs); and
(iv) Results of the site investigation conducted at permanent closure and changes in service (Section 31).

48. Inspection and Right of Entry, Reporting, and Recordkeeping
CHAPTER 17, SECTION 13
Availability and maintenance of records. Owners and/or operators of UST systems shall keep the records required either:
(i) At the storage tank site and immediately available for inspection by the department; or
(ii) At a readily available alternate site and be provided for inspection to the department, upon request. The readily available alternative site shall be within the boundaries of the State of Wyoming. If records are to be kept at an
alternate site, the department shall be notified in writing of the name, address and telephone number for that alternate facility.
Operator’s Annual Inspection. Storage tank system owners and/or operators shall provide an annual report of inspection for the entire facility. An annual inspection is to be conducted either by the owner, the operator, or a qualified consultant. The inspector shall meet all of the qualifications as a CP tester if he or she inspects a CP system.
Reference CHAPTER 17, SECTION 13(e) for additional Requirements

52. Results of site investigations
Which of the following records are NOT required to be kept by the owner/operator?
Results of site investigations
Documentation of storage tank system repairs
Documentation of the operation of CP systems
Records showing how often the fuel filters were changed
Chapter 17, Section 13(c) on page 17-22

53. An area office located in Casper, Wyoming.
Which of the following locations is NOT acceptable for the maintenance of records for a storage tank facility in Wyoming?
The facility itself.
An area office located in Casper, Wyoming.
At the corporate office in Saint Louis, Missouri.
At the registered agent’s office in Cheyenne, Wyoming.
Chapter 17, Section 13(d) on page

54. Clean up all operating equipment before the inspection.
What are you required to do when the DEQ conducts a compliance inspection of your facility?
Clean up all operating equipment before the inspection.
Check all of your spill buckets for leakage before the inspection.
Close down the station to prevent injury to the inspectors during the inspection.
Open all manholes, dispenser cabinets, rectifier boxes, and tank monitoring equipment.
Chapter 17, Section 13(b)(vi) on page17-22

55. Documentation of every fuel delivery for the preceding year.
As part of the Operator’s Annual Inspection, which of the following items must be submitted to the department with the report?
Documentation of every fuel delivery for the preceding year.
Records of leak detection for the preceding year.
The name, address, and Fuel Tax license number for every fuel supplier used for the preceding year.
The manufacturers name, model number, and serial number for all leak detection equipment used to comply with any requirement of the storage tank program.
Chapter 17, Section 13(e)(v) on page 17-24

56. PART “D” UST SYSTEMS: RELEASE DETECTION
Section 14 = Requirements for all UST Systems
Section 15 = Petroleum USTs with a capacity of 2, gallons or less.
Section 16 = Petroleum USTs with a capacity of more than ,000 gallons.
Section 17 = Hazardous Substance UST Systems
Section 18 = Release Detection Recordkeeping for UST
Owners/Operators
WWQRR CHAPTER 17, SECTIONS 14 – 18 PAGE 17-25

57. Requirements for All UST Systems
WWQRR CHAPTER 17, SECTIONS 14 – 18
Release Detection. Owners and/or operators of UST systems shall provide a method, or combination of methods, of release detection that:
(i) Can detect a release from any portion of the tank and the connected piping that routinely contains a regulated substance;
(ii) Is installed, calibrated, operated, and maintained in accordance with the manufacturer's instructions, including routine maintenance and service checks showing that the leak detection equipment is fully operational and in proper
calibration; and
(iii) Meets the performance requirements in Sections 15, 16, or 17……….
Reference CHAPTER 17, SECTION 14(b) – 14(f) for additional Requirements

58. Requirements for All UST Systems (Cont.)
WWQRR CHAPTER 17, SECTIONS 14 – 18
Release Reporting. When a release detection method operated in accordance with the performance standards in Sections 15, 16, or 17 indicates a release may have occurred, owners and/or operators shall notify the department in accordance with “Part E”.
Timing. Owners and/or operators of new or existing UST systems shall comply with the release detection requirements of this part immediately upon installation.
USTs without leak detection. Any owner and/or operator of an UST system that cannot apply a method of release detection that complies with the requirements of this part shall complete the closure procedures in “Part G”.
Petroleum USTs less than 1000 gallons. Owners and/or operators of USTs with a capacity of one thousand (1,000) gallons or less may use manual tank gauging as the sole leak detection method for the tank. Manual tank gauging shall be conducted weekly in accordance with Section 15 (a).

59. Requirements for All UST Systems (Cont.)
WWQRR CHAPTER 17, SECTIONS 14 – 18
Petroleum USTs with a throughput of less than 15,000 gallons per month. (No longer required to perform tracer survey)
Not withstanding any other provision of this chapter, owners and/or operators of USTs with a throughput of less than 15,000 gallons per month may use inventory control as a monthly monitoring technique provided that:
(i) the inventory control balances within 150 gallons per month. In the event that a single month fails to balance within 150 gallons, the operator shall immediately submit that month to an outside vendor for Statistical Inventory
Reconciliation;
(ii) the USTs are secured against theft in such a way that any theft is readily obvious; and
(iii) all of the requirements listed under Section 16(a) are met.

60. LEAK DETECTION FOR PIPING Page 17-26
Leak detection is required for all pressurized piping.
There are three types of line leak detectors
Mechanical line leak detectors
Electronic line leak detectors
Sump sensors
U.S. Suction lines must be pressure tested

61. Leak Detector Function Tester

62. Line Tightness Testing Equipment

63. MECHANICAL LINE LEAK DETECTORS
CHAPTER 17, SEC. 14 (g)
CHAPTER 17, SEC. 13 (e)(ii)

64. MECHANICAL LINE LEAK DETECTORS

65. ELECTRONIC LINE LEAK DETECTORS
CHAPTER 17, SEC. 14 (g)
CHAPTER 17, SEC. 13 (e)(iii)(B)

66. September 17, 2010 March 17, 2011 March 17, 2012 March 17, 2013
The pressurized lines leading to the dispensers at a service station were tested March 17, When was the next test of the mechanical line leak detectors due by?
September 17, 2010
March 17, 2011
March 17, 2012
March 17, 2013
Chapter 17, Section 14(g)(i)(B)
on page17-26

67. Visually inspect the dispenser hoses for cracks.
A station is equipped with single wall, pressurized lines and uses Automatic Tank Gauging and Inventory Control for leak detection on the underground storage tanks (not one of the methods outlined in 14(g)(i)(B)(2)). What is also required during the annual functional test of the mechanical line leak detectors?
Visually inspect the dispenser hoses for cracks.
Pressure test the lines at 1.5 times operating pressure.
Remove the line leak detector and clean the operating part of the valve.
Purge the line, place the line on a vacuum and see if the line will hold a vacuum.
Chapter 17, Section 14(g)(i)(B)(1) on page17-27

68. Pressure test the lines at 1.5 times of the operating pressure.
When a station equipped with single wall, pressurized lines also uses Statistical Inventory Reconciliation (SIR), what additional test is required when the mechanical line leak detectors are functionally tested?
Nothing.
Pressure test the lines at 1.5 times of the operating pressure.
Pressure test the lines at standard temperature and pressure.
Remove the impact valves beneath each dispenser and check the rubber seals for wear.
Chapter 17, Section 14(g)(i)(B)(2) on page17-26

69. Never, these are double wall lines
A station equipped with double wall flexible plastic pressurized lines does not have sump sensors, but uses electronic line leak detectors for leak detection on the lines. The electronic line leak detectors were last tested on March 1, When is the next test of the leak detectors due by?
April 30, 2010
September 30, 2010
March 1, 2013
Never, these are double wall lines
Chapter 17, Section 14(g)(i)(B) on page17-26

70. Annually, within one year of the previous test.
A trucking company operates pressurized lines with electronic line leak detectors. How often are the electronic line leak detectors required to be tested?
Once every month.
Once every six months.
Once every three years.
Annually, within one year of the previous test.
Chapter 17, Section 14(g)(i)(B) on page 17-26

71. SUMP SENSORS CHAPTER 17, SEC. 14 (g)(i)(B)(2) CHAPTER 17, SEC. 13 (e)
CHAPTER 17,SEC. 19(c)

72. Submerged Sump Sensor

79. A station has UST’s with double wall lines and sump sensors are used for leak detection on the pressurized lines. If the sump sensors alarm, the operator must do all of the following EXCEPT?
Find some way to silence the alarm, and note this for the next operator’s annual inspection.
Open the sumps and determine if the sump sensors alarmed because of water or product in the sumps.
Remove all of the water, if any, from the sumps and have the sump sensors re-set on the bottom of the sump.
If there is product in the sump, report a suspected release, have tests run to locate the leak, have the equipment repaired, and dispose of spilled product properly.
Chapter 17, Section 19(c) on page17-42

80. January 1, 2011 April 21, 2011 October 21, 2010 April 21, 2013
During the last Operator’s Annual Inspection on April 21, 2010, the sump sensors were tested for functionality. When is the next test of the sump sensors due?
January 1, 2011
April 21, 2011
October 21, 2010
April 21, 2013
Chapter 17, Section 13(e)(iii)(c) on page 17-24

81. SUCTION LINES Chapter 17, Sec. 14 (g) (ii and iii) – Page 17-27
There are two types of suction systems, U.S. Suction and Exempt Suction

84. Annually within one year of the last test.
An underground piping system has only one check valve located directly under the pump in the dispenser cabinet. How often are the lines required to be pressure tested?
Monthly.
Once every three years.
Annually within one year of the last test.
Never, this is an exempt suction system.
Chapter 17, Section 14(g)(i)(iii) on page17-27

85. The system must be constructed with double wall lines.
A pump is built into the dispenser cabinet and the underground piping has two check valves, one in the dispenser and one at the bottom of the tank. What kind of leak detection has to be performed?
The system must be constructed with double wall lines.
The lines must be pressure tested once every three years.
The system must be equipped with electronic line leak detectors.
The system must be equipped with mechanical line leak detectors.
Chapter 17, Section 14(g)(ii) on page17-27

86. Requirements for All UST Systems (Cont.)
WWQRR CHAPTER 17, SECTIONS 14 (h)
New UST installations and repairs. Regardless of any other section in this chapter, after the effective date of this chapter, all new and replacement installations and repairs of existing piping shall meet the following secondary containment criteria:
(i) New or replacement tanks shall be provided with full secondary containment in the form of:
(a) Double Walled tanks; or
(b) Single wall tanks with a polyethylene tank jacket.
(ii) New or replacement connected piping shall be provided with full secondary containment in the form of:
(a) Double wall lines; or
(b) Single wall lines with secondary containment piping. And
(iii) All dispensers must be equipped with full secondary containment in the form of dispenser pans.
(iv) All secondary containment systems shall be monitored in accordance with Section 16(f).

87. Petroleum USTs with a capacity of 2,000 gallons or less
WWQRR CHAPTER 17, SECTION 15 PAGE
Manual tank gauging. Manual tank gauging shall meet the following requirements:
(i) Tank liquid level measurements shall be taken at the beginning and ending of a period of at least thirty-six (36) hours during which no liquid is added to or removed from the tank;
(ii) Level measurements shall be based on an average of two (2) consecutive stick readings at both the beginning and end of the period;
(iii) The equipment used shall be capable of measuring the depth of the regulated substance over the full range of the USTs height to the nearest one- eighth (1/8) of an inch;

88. MANUAL TANK GAUGING
CHAPTER 17, SEC. 15 – PAGE 17-29

89. A facility has a used oil tank that holds 500 gallons
A facility has a used oil tank that holds 500 gallons. If Manual Tank Gauging is the leak detection method for the tanks, how long must the tank be shut-in for measurement?
24 Hrs
36 Hrs
44 Hrs
58 Hrs
Chapter 17, Section 15(a)(iv) on page 17-29

90. Petroleum USTs with a capacity of More than 2,000 gallons
CHAPTER 17, SEC. 16 (a) – Page 17-30
INVENTORY CONTROL

91. Report and investigate a suspected release
At an aboveground storage tank facility the tank had an overage that exceeded the allowed amount for January and had a shortage exceeding the allowed amount in February. What is the owner/operator required to do?
Report and investigate a suspected release
Conduct an API 653 inspection of the tank.
Remove all the product from the tank until it can be verified that the tank is not leaking.
Check the inventory control records carefully and wait until the next month to report a release
Chapter 17, Section 16(a)(viii) on page 17-31

92. What is the standard for calibrating service station meters?
Within 1%
Within 6 cubic inches in 5 gallons
Within 2.5 ounces in 10 gallons
25 milliliters in 10 liters
Chapter 17, Section 16(a) (v) on page 17-30

93. Nothing, the automatic tank gauge passed both months.
Using automatic tank gauging and inventory control as the leak detection method: There are passing ATG results for all of the tanks for every calendar month. Last month, with a throughput of 10,000 gallons, they were over for the month by 500 gallons. The previous month they were also over by 520 gallons on a throughput of 10,000 gallons. What is the company required to do in this situation?
Nothing, the automatic tank gauge passed both months.
Report and investigate a suspected release.
Nothing, both months the IC records were over.
Immediately empty the tank until it can be determined if it leaked.
Allowable limit was 230 gallons!!!
Chapter 17, Section 16(a)(viii)(A) on page 17-31

94. Recheck the figures, this is too far off to ignore.
An underground storage tank system is used to dispense 65,500 gallons of gasoline per month. The inventory control records for last month were short by 560 gallons. What is the company required to do under these circumstances?
Recheck the figures, this is too far off to ignore.
Nothing, inventory control passes for that month.
Submit the records to a statistical inventory reconciliation provider
Report a suspected release and conduct a tank tightness test and line pressure test.
Allowable amount was 785 gallons
Chapter 17, Section 16(a)(viii)(A) on page 17-31

95. Report a suspected release and investigate.
A station operator is conducting inventory control on a gasoline tank that has a though-put of 12,000 gallons per month. Every month, on similar volumes, the tank is short by around 240 gallons. This is less than 1% of the throughput plus 130 gallons. When the operator looks at the graph of the inventory control records they show a consistent downward trend at a rate of 175 gallons per month loss. What is the operator required to do?
Report a suspected release and investigate.
Check the calibration of the automatic tank gauge.
Check the calibration of the meters in the dispensers.
Make sure that the inventory control records are closed at the same time each day and that there are no mathematical mistakes.
Chapter 17, Section 16(a)(viii)(C) on page 17-31

96. Tank Tightness Testing. Groundwater Monitoring.
Which of the following is not a method of equivalent performance to inventory control when automatic tank gauging is used as the primary method?
Tracer Surveys.
Tank Tightness Testing.
Groundwater Monitoring.
Statistical Inventory Reconciliation
Chapter 17, Section 16(a)(ix) on Page17-31

97. TANK TIGHTNESS TESTING
CHAPTER 17, SEC. 16 (b) – PAGE 17-32

98. Only the tank and the connected piping.
As part of a suspected release investigation, an operator is required to run a tank tightness test. What portions of the underground storage tank system are required to be tested by this method?
Only the tank and the connected piping.
The tank, the connected piping and all vent lines.
That portion of the tank that routinely contains regulated substances.
The tank, connected piping and all of the product lines inside the dispenser cabinet.
Chapter 17, Section 16(b) Page 17-32

99. AUTOMATIC TANK GAUGING
CHAPTER 17, SEC. 16 (c) PAGE 17-32

100. AUTOMATIC TANK GAUGING
ONE PASSING RESULT FOR EACH TANK IS REQUIRED FOR EACH CALENDAR MONTH THAT YOU OPERATE.
ANYTHING OTHER THAN A PASSING RESULT REQUIRES INVESTIGATION.

101. AUTOMATIC TANK GAUGING
This is not a passing result

102. Tank tightness testing annually. Statistical inventory reconciliation.
When an operator uses automatic tank gauging as the primary tank leak detection method, what other method is he or she also required to perform?
Tank tightness testing annually.
Statistical inventory reconciliation.
Inventory control or another method of equivalent performance.
Nothing, automatic tank gauging does not require anything further.
Chapter 17, Section 16(c)(i) on page 17-32

103. 1.5 Times Operating Pressure
When an operator uses automatic tank gauging as the primary tank leak detection method, the tank gauge must be able to detect a leak of how many gallons per hour? .1 .2 3
1.5 Times Operating Pressure
Chapter 17, Section 16(c)(i) on page 17-32

104. 5 gallons per day. .1 gallons per hour. .2 gallons per hour.
An operator is evaluating a new automatic tank gauge for purchase. Whatever tank gauge he or she buys must be able to detect leaks of a certain size. What leak rate must every automatic tank gauge be able to detect?
5 gallons per day.
.1 gallons per hour.
.2 gallons per hour.
50 gallons per month.
Chapter 17, Section 16(c) on page 17-32

105. Report a suspected release and investigate.
When an operator is using automatic tank gauging as the primary leak detection method, what must the operator do when an entire calendar month passes without a passing result from the tank gauge?
Report a suspected release and investigate.
Have the tank gauge re-calibrated and all of the probes cleaned and checked.
Re-check the inventory control records to make sure that the tank is not leaking.
Wait until the second consecutive month and then report a suspected release if a passing result is not obtained.
Chapter 17, Section 16(c)(ii)(C) page 17-32

106. VAPOR MONITORING
CHAPTER 17, SEC. 16 (d) – PAGE 17-33

107. All acids, strong caustics, and aqueous solutions.
Vapor monitoring can be used to detect leaks from underground storage tanks that are used to store what types of regulated substances?
All acids, strong caustics, and aqueous solutions.
Only those substances that are not liquids at standard temperature and pressure.
Those that have a specific gravity that is greater than the specific gravity of diesel.
Only those substances that are sufficiently volatile to be detected by the monitoring devices.
Chapter 17, Section 16(d)(ii) on page17-33

108. GROUNDWATER MONITORING
CHAPTER 17, SEC. 16 (e) – PAGE 17-34

109. Any trace of product on the groundwater, even a sheen on the surface.
When groundwater monitoring is used as a leak detection method for an underground storage tank, the operator must be able to detect:
Any trace of product on the groundwater, even a sheen on the surface.
Dissolved products in groundwater down to the drinking water equivalent level.
Floating products at least 1/8” thick on the groundwater.
Sinking products that accumulate at the bottom of the well.
Chapter 17. Section 16(e)(vi) on page 17-34

110. Groundwater monitoring wells cannot be used as a leak detection method unless the groundwater is within how many feet of the surface?
5 feet.
10 feet.
20 feet.
100 feet.
Chapter 17, Section 16(e)(ii) on page 17-34

111. INTERSTITIAL MONITORING
CHAPTER 17, SEC. 16 (f) – PAGE 17-35
You cannot use interstitial monitoring unless you have a double wall tank. Interstitial monitoring looks for product between the two walls of a double wall tank. All new or replacement tanks have to be double wall with interstitial monitoring.

112. Once every thirty (30) days.
An operator uses interstitial monitoring as the leak detection method for the tanks at a convenience store. What is the maximum time that can elapse between each monitoring event using this method?
Once a week.
Twice a month.
Once every thirty (30) days.
You never have to look at this system as long as the alarm does not go off.
Note that this section applies to all leak detection methods.
Chapter 17, Section 16 Opening Statement on page17-30

113. He has to report a suspected release and investigate.
An operator’s interstitial monitoring system now indicates that the inner wall of the tank has failed. Manually checking the tank, the operator finds that there is gasoline in the interstitial space. Which of the following is NOT true?
He has to report a suspected release and investigate.
He has to take the tank out of service and repair or replace the tank.
He has to have any replacement tank inspected by the department during installation.
If the operator cannot repair the tank he can now consider this tank to be a single wall tank. He will have to change monitoring methods.
Chapter 17, Section 16(f) on page17-35
W.S on page 12

114. Report a suspected release and investigate.
An operator is using interstitial monitoring as a tank leak detection system. When the alarm goes off on the tank monitoring system, what is the operator required to do?
Report a suspected release and investigate.
Reset the system and see if it alarms again.
Have a service company raise the level of the interstitial alarm.
Ignore the alarm, it is probably just rainwater or a short circuit.
Chapter 17, Section (f)(iv) on page 17-36

115. STATISTICAL INVENTORY RECONCILIATION
CHAPTER 17, SEC. 16 (g) – PAGE 17-37

116. YOU MUST HAVE PASSING RESULTS FOR EVERY TANK EVERY MONTH
This is not a passing result

117. Report a confirmed release to the National Response Center.
An operator received an “Inconclusive” result from one of his storage tanks last month. What must he do immediately?
Report a confirmed release to the National Response Center.
Nothing unless he receives two inconclusive results in a row.
Before doing anything else, run a Tracer Survey on the tank system that had the inconclusive result.
Investigate the inconclusive result by auditing the information submitted to the SIR company and re-submitting the audited information.
Chapter 17, Section 16 (g)(iv) on page17-37

118. Investigate a suspected release. Report a suspected release.
An operator received a failing SIR result. What are they not required to do in this situation?
Investigate a suspected release.
Report a suspected release.
Place the failing tank in “Temporarily Out of Use” condition within 5 days.
Audit the input records to the SIR company to insure that the failing result was not due to an error in data entry.
Chapter 17, Section 16(g)(v)(A) on page17-37

119. automatically exclude bad data.
In choosing an SIR provider, an operator must insure that the SIR provider’s method will:
correct for tank tilt.
automatically exclude bad data.
detect a leak of 150 gallons per month.
allow for electronic submission of the data through the internet.
Note that all Tank leak detection methods must be able to detect 150 gallons per month
Chapter 17, Section 16(g)(ii) on page 17-37

120. TRACER SURVEYS
CHAPTER 17, SEC. 16 (h) – PAGE 17-37

121. Anytime during the month. Before the 1st of every month.
When an operator uses tracer surveys as the leak detection method for the tanks, when must the tanks be read?
Anytime during the month.
Before the 1st of every month.
Before the 25th of each month.
After the last day of the month.
Chapter 17, Section 16(h)(iv) on page 17-38

122. Every tracer survey must be able to detect a leak of what size?
.10 gallons per hour.
150 gallons per month
1.0 gallons per minute
300 gallons per month.
Chapter 17, Section 16(h)(i) on page 17-38

123. What is the probability of detecting a release using a tracer survey?
75%
95%
89.5%
99.9%
Chapter 17, Section 16(h)(i) on page 17-38
Note that all leak detection methods must have the same probability of detecting a release.

124. OTHER METHODS
Other methods can be found in Chapter 17, Sec. 16 (j) on page 17-38

125. Hazard Substance UST Systems
CHAPTER 17, SECTION. 17 – Page 17-39
Hazardous substance UST systems shall have a secondary containment system, be constructed with double walled tanks, or
be constructed with an external liner or
vault surrounding the entire tank system.

126. Release Detection Recordkeeping for UST Owners and/or Operators
CHAPTER 17, SECTION. 18 – Page17-41
All UST system owners and/or operators shall maintain records in accordance with Section 13 demonstrating compliance with all applicable requirements of this part.

127. PART “E” Release Reporting, Investigation & Confirmation
WWQRR CHAPTER 17, SECTIONS 19 – 28 PAGE 17-42
Section 19 = Reporting of Suspected Releases
Section 20 = Release Investigation & Confirmation for Eligible Owners and/or
Operators
Section 21 = Release Investigation and Confirmation for Owners and/or Operators Not
Eligible for the Corrective Action Account
Section 22 = Reporting and Cleanup of Spills and Overfills
Section 23 = General
Section 24 = Owners and/or operators “Not” Eligible for the State Corrective Action
Program
Section 25 = Owners and/or operators Eligible for the State Corrective Action Program
Section 26 = Public Participation
Section 27 = Corrective Action Prioritization Ranking System
Section 28 = Termination of Corrective Actions

128. Release – Is the release of product that is eligible for cleanup under the corrective action account and must have originated from a regulated portion of the tank.
Spill – Is a spill that is not eligible for cleanup by the corrective action account, such as overfilling the tank or a customer overfills their vehicle.

129. Report a spill and clean up the spill as quickly as possible.
Your fuel delivery driver carelessly spilled 40 gallons of diesel when disconnecting his hoses. The product was confined to the paved area of the station. What are you required to do?
Report a spill and clean up the spill as quickly as possible.
Call the delivery company to get them to clean up the spill.
Call the fire department and have them flush the oil into the storm drain.
File a claim with your insurance company to get them to clean up the spill.
WWQRR, Chapter 17, Section 22 Page 17-45

130. Report and clean up the spill. Clean up the spill with detergent.
One of your customers filled his car and the nozzle release mechanism failed to function. As a result 30 gallons of gasoline spilled. What are you required to do?
Report and clean up the spill.
Clean up the spill with detergent.
Wait until the gasoline evaporates before allowing any more sales.
Call the fire department and have them wash down the spilled gasoline.
WWQRR, Chapter 17, Section 22 Page 17-45

131. Within 24 hours Within 48 hours Within 7 days Within 30 days
A facility has a failing SIR result how soon are they required to report a suspected release?
Within 24 hours
Within 48 hours
Within 7 days
Within 30 days
WWQRR, Chapter 17, Section 19 Page 17-42

132. Within 24 hours Within 48 hours Within 7 days Within 30 days
A facility has a failing SIR result how soon are they required to investigate a suspected release?
Within 24 hours
Within 48 hours
Within 7 days
Within 30 days
WWQRR, Chapter 17, Section 20 Page 17-43

133. PART “F” Minimum Site Assessments
WWQRR CHAPTER 17, SECTION 29 PAGE 17-57
Section 29 = MSA Requirements

134. PART “G” Out of Service Systems and Closures
WWQRR CHAPTER 17, SECTIONS PAGE 17-64
Section 30 = Temporary Closure
Section 31 = Permanent Closure and Changes in Service
Section 32 = Applicability to Previously Closed or Abandoned Storage Tank Systems

135. What one system MUST be tested for all temporarily out of use tanks?
All sump sensors must be tested annually.
The automatic tank gauge must be checked monthly.
The automatic line leak detectors must be tested annually.
The cathodic protection system, of either type, must be tested on the same schedule as an operating tank.
Chapter 17, Section 30(a) on page 17-64

136. PART “H” Technology & Procedures Not Specifically Authorized
WWQRR CHAPTER 17, SECTIONS 33 PAGE 17-67
Section 33 = General

137. WWQRR CHAPTER 17, SECTIONS 34 - 37 PAGE 68
PART “I” AST Systems
WWQRR CHAPTER 17, SECTIONS PAGE 68
Section 34 = Tanks Covered
Section 35 = Construction Requirements for AST Systems
Section 36 = AST Leak Detection Requirements
Section 37 = Leak Detection Requirements for Underground Lines Connected ASTS.

138. the storage capacity of the largest tank
An operator has just installed two new aboveground storage tanks at his commercial filling station. Under Wyoming law, he is required to have secondary containment capacity in an amount equal to:
the storage capacity of the largest tank
twice the storage capacity of the largest tank
the total storage capacity of both of his tanks
110% of the storage capacity of the largest tank
Chapter 17, Section 35(b) 17-68

139. A commercial filling station has three aboveground storage tanks
A commercial filling station has three aboveground storage tanks. Under Wyoming law, these tanks are required to have all of the following EXCEPT:
A foam fire suppression system.
A chain link fence no less than six (6) feet high.
A permanently mounted ladder and catwalk to the top of the tanks.
An emergency switch not less than 20 feet or more than 100 feet from the dispensers.
Chapter 17, Section 35 (r), (t) and (x) on pages and 76

140. All aboveground lines must be made of steel.
Which of the following is NOT required for connected piping on Wyoming aboveground storage tanks?
All aboveground lines must be made of steel.
All underground lines must be double walled.
All underground lines must be non-corrodible.
All underground lines must be encased in concrete.
Chapter 17, Section 35(h) on page 17-71

141. Which of the following is specifically named as an acceptable form of vehicle impact protection for Wyoming aboveground storage tanks?
A concrete block wall.
Boulders around the tank.
A corrugated steel secondary containment structure
4 inch steel pipe guard posts not more than 4 feet apart, filled with concrete.
Chapter 17, Section 35(c) on page 17-68

142. Which of the following is NOT an acceptable form of corrosion protection for an aboveground storage tank in Wyoming?
Painting the tank annually.
An impressed current system.
A horizontal cylinder tank on saddles.
A tank constructed to UL 2085 standards.
Chapter 17, Section 35(d) on page 17-69