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WYOMING WATER QUALITY RULES AND REGULATIONS (WQRR), CHAPTER 17

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  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 35-11-1429)

  10. OVERFILL ANDSPILL 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

  13. Ball Float Valves

  14. Overfill Alarm

  15. Spill Bucket (Spill Prevention Device)

  16. Spill Bucket (Spill Prevention Device)

  17. 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? Chapter 17, Section 6(c) on page 17-11 • 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.

  18. 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 ? Chapter 17, Section 6(c)(ii)on page17-13 • 5 • 10 • 20 • 25

  19. Which of the following is NOT an approved overfill device for an underground storage tank? Chapter 17, Section 6(c) on page 17-13 this is a spill prevention device • 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.

  20. An overfill alarm must: Chapter 17, Section 6(c) on page17-13 • 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

  21. 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.

  22. When using a butterfly valve as an overfill device, what must be done if the device fails? Chapter 17, Section 6(c) on page17-11 • 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.

  23. 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 ………..

  24. 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

  25. 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. 35-11-1425 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 14-17 and Financial responsibility requirements in Chapter 19 !

  26. 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. 35-11-1420(a). Such notifications shall be provided on a form developed and provided by the department.

  27. 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)

  28. Spill and Overfill Control CHAPTER 17, SECTION 10 – PAGE 17-19 • Owners and/or operators of storage tank systems shall ensurethat 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.

  29. 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.

  30. 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 RP0285-2002, "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 RP0285-2002.

  31. 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

  32. A steel underground storage tank with CP was installed and it was last tested by a cathodic protection tester on August 17, 2010. 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

  33. 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 17-103.

  34. 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

  35. IMPRESSED CURRENT SYSTEMS

  36. 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.

  37. 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

  38. 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, 2010. 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

  39. 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

  40. 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".

  41. 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

  42. 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. 35-11-1422. • 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).

  43. Inspection and Right of Entry, Reporting, and Recordkeeping CHAPTER 17, SECTION 13 • Availability and maintenance of records. Owners and/or operators of UST systems shallkeep 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