ATCP 93.500(6)(b)1.1. Tanks shall have an air pressure and soap test performed after unloading.
ATCP 93.500(6)(b)2.a.a. All new tanks and pipe systems shall have pressure or vacuum testing that shall assure that the tank, pipe and all connections are tight in accordance with NFPA 30 section 21.5 and PEI RP100 sections 11 and 14 before the tanks and pipe systems are placed into service.
ATCP 93.500 Note Note: For further guidance, see the program letter at the following Web site: https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
ATCP 93.500(6)(b)2.b. b. If a volumetric tank integrity test is used, it shall be capable of detecting a release of 0.1 gallon per hour from any portion of the tank when the tank is at least 70 percent full of product, shall be approved in accordance with s. ATCP 93.130, and shall be conducted in accordance with the approval. In addition, a precision tightness test shall be performed on the ullage portion of the tank.
ATCP 93.500 Note Note: Volumetric tests approved under section ATCP 93.130 at 90 percent capacity are acceptable under this section at 70 percent capacity in combination with the ullage test.
ATCP 93.500(6)(b)2.c. c. If a non-volumetric tank integrity test is used, it shall be capable of detecting a release of 0.1 gallon per hour from any portion of the tank at any product level.
ATCP 93.500(6)(b)2.d. d. The volumetric or non-volumetric tests performed under this section shall be conducted by a certified tank system tightness tester.
ATCP 93.500(6)(b)3. 3. If the tank has integral secondary containment, both the primary and secondary containment shall be tested in accordance with this section.
ATCP 93.500(6)(c) (c) Piping.
ATCP 93.500(6)(c)1.1. Piping shall be shown to be leak free by testing before backfilling and after backfilling.
ATCP 93.500(6)(c)2. 2. Pressure piping, or suction piping with a check valve located at the tank, shall pass an approved precision tightness test before being placed into service.
ATCP 93.500(6)(c)3. 3. Piping that has leak detection provided by electronic line leak detection shall have the leak detection system certified as operable by performing a functional leak test in accordance with the material approval issued under s. ATCP 93.130, before the piping is placed into service.
ATCP 93.500(6)(c)4. 4. Any aboveground product or vent piping that is adjacent to or in the path of motorized vehicles or equipment shall have vehicle collision protection meeting the performance requirements in s. ATCP 93.430, unless approved otherwise by the authorized agent or the department.
ATCP 93.500(6)(d) (d) Sumps.
ATCP 93.500(6)(d)1.1. Secondary containment sumps shall be fabricated and installed in a manner that prevents release of liquids. These sumps shall be tested for leaks hydrostatically at installation, to the levels specified in subds. 2. to 4., in accordance with the manufacturer's instructions and the requirements of this chapter, for a period of not less than 60 minutes.
ATCP 93.500(6)(d)2. 2. To no less than 1 inch over the top of the highest penetration.
ATCP 93.500(6)(d)3. 3. To no less than 1 inch over the top of any horizontal joint between wall sections.
ATCP 93.500(6)(d)4. 4. To no lower than the top of any vertical joint.
ATCP 93.500(6)(e) (e) Installation checklist. Upon completion of any installation of new or replacement shop-built tanks or piping, or any system modification or upgrade that requires plan approval or registration or permitting, the certified installer shall provide the authorized agent or the department with a completed tank installation checklist, form ERS-6294 UST.
ATCP 93.500 Note Note: Form ERS-6294 UST, Checklist for Underground Tank Installation, is available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or from the Bureau's Web site at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
ATCP 93.500 Note Note: Section ATCP 93.140 (3) (c) requires the tank installation checklist to be submitted to the Department as part of the tank registration process.
ATCP 93.500(7) (7)Repairs.
ATCP 93.500(7)(a)(a) General. Owners and operators of tank systems shall ensure that repairs will prevent releases due to structural failure or corrosion as long as the tank system is used to store regulated substances.
ATCP 93.500(7)(b) (b) Standards. Repairs to tank systems shall be made by the manufacturer's authorized representative or in accordance with a code of practice developed by a nationally recognized association or an independent testing laboratory that is acceptable to the department.
ATCP 93.500(7)(c) (c) Pipe repair and replacement. Metal pipe and fittings that have released product as a result of corrosion or other damage shall be replaced. Fiberglass pipe and fittings that have released product shall be replaced or repaired in accordance with the manufacturer's specifications.
ATCP 93.500(7)(d) (d) Tank-system site assessment. When repairs are made to piping or fittings that have released product to the environment, an assessment of the piping run, to identify points of release, shall be performed in accordance with ss. ATCP 93.575 to 93.585.
ATCP 93.500(7)(e) (e) Precision tightness testing. Repaired tanks and piping shall have precision tightness testing in accordance with s. ATCP 93.515 (4) before being placed back into service.
ATCP 93.500(8) (8)Inspection and maintenance of ust systems. Operators of new and existing UST systems shall conduct routine and periodic inspection and maintenance in accordance with the applicable sections of PEI RP900.
ATCP 93.500(9) (9)Record keeping.
ATCP 93.500(9)(a)(a) General. Operators of new and existing underground storage tank systems shall maintain all of the following records:
ATCP 93.500(9)(a)1. 1. Documentation of any system repairs, alterations or upgrades, including software and hardware upgrades, and any inspections required under this chapter.
ATCP 93.500(9)(a)2. 2. Documentation demonstrating conformance with leak detection requirements, and the manner in which these claims have been justified or tested by the equipment manufacturer and certified installer, including all of the following:
ATCP 93.500(9)(a)2.a. a. Information pertaining to the leak detection system, including the material approval as issued under s. ATCP 93.130 that was valid when the system was installed; operator manual; warranty; and documentation verifying that the equipment has been installed, programmed and tested to perform as required in this chapter.
ATCP 93.500(9)(a)2.b. b. Testing results obtained from leak detection equipment, as retained from the equipment's printer or a hand-written log kept on site.
ATCP 93.500(9)(a)2.c. c. Documentation maintained for all calibration, inspection, monitoring, testing, repair, and annual performance verification of leak detection equipment permanently located on-site.
ATCP 93.500(9)(a)3. 3. Response to and investigation of leak detection alarms.
ATCP 93.500(9)(a)4. 4. Documentation maintained for all calibration, inspection, monitoring, testing, repair, and periodic performance verification of any corrosion protection equipment permanently located on-site.
ATCP 93.500(9)(a)5. 5. Analysis from a corrosion expert of site corrosion potential if corrosion protection equipment is not used.
ATCP 93.500(9)(a)6. 6. Records of any environmental information that has accrued for a site, such as from site inspections or investigations, phase I or II environmental site assessments, or repairs, or from tank-system site assessments conducted under ss. ATCP 93.560 to 93.585.
ATCP 93.500(9)(a)7. 7. Documentation of product inventory verification, at facilities that are subject to the requirements of ch. ATCP 94.
ATCP 93.500(9)(a)8. 8. Results of functional testing of impact and emergency shut-off valves.
ATCP 93.500 Note Note: See NFPA 30A section 6.3.9.1 for testing requirements.
ATCP 93.500(9)(a)9. 9. Electrical continuity testing for dispensers of motor fuels that are Class I liquids.
ATCP 93.500(9)(a)10. 10. One set of stamped, approved plans and specifications and a copy of the approval letter.
ATCP 93.500(9)(b) (b) Availability of records.
ATCP 93.500(9)(b)1.1. Operators shall maintain the required records at the site, except as provided in subds. 2. and 3., and par. (c) 11.
ATCP 93.500(9)(b)2. 2. Operators of unattended sites shall make the records available for inspection at the site when given 72 hours of prior notice.
ATCP 93.500(9)(b)3. 3. The approved plans and specifications and approval letter shall be kept on site and available to the authorized agent or the department during all phases of installation. After installation is completed, the approved plans and specifications and approval letter shall be made available to the authorized agent or the department upon request.
ATCP 93.500(9)(b)4. 4. Records may be kept electronically, provided they are in a format acceptable to the department.
ATCP 93.500(9)(c) (c) Maintenance of records. Records shall be maintained for the following periods from the date of the most recent test, inspection or upgrade:
ATCP 93.500(9)(c)1. 1. Monthly leak detection monitoring — 1 year.
ATCP 93.500(9)(c)2. 2. Annual precision tightness testing — 1 year.
ATCP 93.500(9)(c)3. 3. Periodic precision tightness testing in association with inventory control — until the next test is conducted.
ATCP 93.500(9)(c)4. 4. Impressed current corrosion protection system, 60-day inspection — the previous 3 inspections.
ATCP 93.500(9)(c)5. 5. Corrosion protection system, annual test — the previous 3 tests.
ATCP 93.500(9)(c)6. 6. Internal inspection associated with underground tank lining — 10 years.
ATCP 93.500(9)(c)7. 7. Annual performance verification of leak detection equipment and flow restrictor — 2 years.
ATCP 93.500(9)(c)8. 8. Results of functional testing of impact and emergency shut-off valves and electrical continuity testing for dispensers — 2 years.
ATCP 93.500(9)(c)9. 9. The owner's manual provided by the leak detection equipment manufacturer — until the leak detection system is replaced or no longer used.
ATCP 93.500(9)(c)10. 10. Any tank or pipe system modification or repair — the life of the system.
ATCP 93.500 Note Note: Lifetime maintenance of upgrading records is required by 40 CFR 281.32 (e).
ATCP 93.500(9)(c)11. 11. Inspection records — 3 years or the interval between required inspections, whichever is longer.
ATCP 93.500(9)(c)12. 12. Tank-system site assessments and other environmental assessments, such as assessments for property transactions — 3 years after completion of any permanent closure, upgrade, repair or change in service. These records shall be maintained at one of the following locations:
ATCP 93.500(9)(c)12.a. a. With the owner or operator who took the UST system out of service.
ATCP 93.500(9)(c)12.b. b. With the current operator of the UST system site.
ATCP 93.500(9)(c)12.c. c. With the department if records cannot be maintained at the closed facility.
ATCP 93.500(9)(c)13. 13. Leak detection alarm investigation — 2 years.
ATCP 93.500(9)(c)14. 14. Product inventory verification in accordance with s. ATCP 93.503, inventory control in accordance with s. ATCP 93.515 (2), or statistical inventory reconciliation in accordance with s. ATCP 93.515 (6) — 10 years.
ATCP 93.500(9)(c)15. 15. One set of stamped, approved plans and specifications and a copy of the approval letter — the life of the system.
ATCP 93.500 Note Note: All leak detection records should be retained permanently. The documentation could be helpful to exclude the site as a possible source of contamination at a later date.
ATCP 93.500 Note Note: Section ATCP 93.870 has recordkeeping requirements for operator training, for USTs that are required to have a permit to operate from the department.
ATCP 93.500 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; CR 09-017: am. (1) (b) 3., 4., (5) (a) 2. a., (f) 2., 3., (6) (b) 2. a. and (9) (c) 14. Register July 2009 No. 643, eff. 8-1-09; correction in (2) (intro.), (3) (b), (c) 1., (6) (a) 1. b., 2., (b) 2. b., (c) 3., 4., (7) (d), (e), (9) (a) 2. a., 6., 7., (c) 14. made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; corrections in (2) (intro.), (3) (b), (c) 1., (6) (a) 2., (b) 2. b., (c) 3., 4., (7) (d), (e), (9) (a) 2. a., 6., 7., (c) 14. made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694.
ATCP 93.503 ATCP 93.503Product inventory verification at retail facilities.
ATCP 93.503(1)(1) This section applies to any tank system from which products are offered for retail sale to the public that are subject to the requirements of ch. ATCP 94.
ATCP 93.503 Note Note: Inventory verification can be particularly effective during regulatory investigations of consumer complaints about the quality of purchased fuels.
ATCP 93.503 Note Note: The inventory verification specified in this section is not required to conform to the inventory control specifications in API 1621.
ATCP 93.503(2) (2) To verify and maintain the integrity and quantity of delivered products, product inventory verification shall be conducted monthly for the life of the tank system, and reconciled on a monthly basis, in the following manner:
ATCP 93.503(2)(a) (a) Inventory volume measurements for regulated substance inputs, withdrawals, and the amount still remaining in the tank are recorded each operating day.
ATCP 93.503(2)(b) (b) The equipment used is capable of measuring the level of product over the full range of the tank's height, to the nearest one-eighth of an inch.
ATCP 93.503(2)(c) (c) The regulated substance inputs are reconciled with delivery receipts by measurement of the tank inventory volume before and after delivery. Where tanks are interconnected by a manifold, reconciliation may address all of the interconnected tanks as a group rather than as individual tanks.
ATCP 93.503(2)(d) (d) Product dispensing is metered and recorded in accordance with applicable requirements in ch. ATCP 92 for meter calibration, or an accuracy of 6 cubic inches for every 5 gallons of product withdrawn.
ATCP 93.503(2)(e) (e) The measurement of any water level in the bottom of the tank is made to the nearest one-eighth of an inch at least once a month.
ATCP 93.503(3) (3) The reconciliation under sub. (2) shall be used to determine whether either of the following are indicated:
ATCP 93.503(3)(a) (a) A leak detection method has failed, as addressed in s. ATCP 93.570 (4).
ATCP 93.503(3)(b) (b) Unauthorized product mixing has occurred, as addressed in ch. ATCP 94.
ATCP 93.503 Note Note: Where inventory control is used as the leak detection method, under section ATCP 93.515 (2), the measurements and procedures followed there will satisfy the requirements for inventory verification in this section.
ATCP 93.503 Note Note: Where statistical inventory reconciliation (SIR) is used as the leak detection method, under section ATCP 93.515 (6), the same data may be used for the SIR and the inventory verification in this section, provided the requirements of the SIR vendor and this section are both met, including the monthly reconciliation in this section.
ATCP 93.503 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; correction in (2) (d) made under s. 13.92 (4) (b) 7., Stats., Register November 2008 No. 635; CR 09-017: am. (1), (2) (intro.) and (c) Register July 2009 No. 643, eff. 8-1-09; correction in (1), (3) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; corrections in (1), (3) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.