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)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)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 operational life of the system. ATCP 93.500 NoteNote: Lifetime maintenance of repair and upgrading records is required by 40 CFR 280.33 (f). ATCP 93.500(9)(c)11.11. Inspection or testing records — 3 years or the interval between required inspections or testing, 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)15.15. One set of stamped, approved plans and specifications and a copy of the approval letter — the operational life of the system. ATCP 93.500 NoteNote: 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 NoteNote: Section ATCP 93.870 has record keeping requirements for operator training or USTs that are required to have a permit to operate from the department. ATCP 93.500 HistoryHistory: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19; correction in (1) (c) 1., (8) (b) 3. made under s. 13.92 (4) (b) 14., Stats., correction in (8) (b) 2., 3. made under s. 13.92 (4) (b) 7., Stats., and correction in (1) (c) 2., (7) (g), (k) 1., (8) (c) 1. (intro.), c., (9) (b) 1. made under s. 35.17, Stats., Register October 2019 No. 766. ATCP 93.503ATCP 93.503 Product 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 NoteNote: Inventory verification can be particularly effective during regulatory investigations of consumer complaints about the quality of purchased fuels.
ATCP 93.503 NoteNote: 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)(b)(b) Unauthorized product mixing has occurred, as indicated by an unexplained increase or decrease in product level and as addressed in ch. ATCP 94. ATCP 93.503 NoteNote: Where inventory control is used as the leak detection method, under s. ATCP 93.515 (2), the measurements and procedures followed there will satisfy the requirements for inventory verification in this section. ATCP 93.503 NoteNote: Where statistical inventory reconciliation is used as the leak detection method, under s. ATCP 93.515 (6), the same data may be used for the statistical inventory reconciliation and the inventory verification in this section, provided the requirements of the statistical inventory reconciliation vendor and of this section are both met, including the monthly reconciliation in this section. ATCP 93.503 HistoryHistory: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19. ATCP 93.505(1)(a)(a) Prior to delivery, the operator of the fuel delivery equipment that is transferring the product shall ensure that the volume available in the tank is greater than the volume of product to be transferred to the tank. ATCP 93.505(1)(b)(b) The transfer operation shall be monitored constantly by the operator of the delivery equipment so as to prevent overfilling and spilling. ATCP 93.505(2)(2) Equipment. All underground storage tank systems, whether new or existing, shall meet all of the following requirements except par. (a) 1. a. does not apply to containment that was installed before February 1, 2009, and par. (a) 3. does not apply to containment that was installed before November 1, 2019: ATCP 93.505(2)(a)(a) Spill prevention. A liquid-tight containment basin that meets all of the following requirements shall be provided on top of the tank, where connections are made for product fill piping: ATCP 93.505(2)(a)1.b.b. The basin shall be fabricated and installed in a manner that prevents release of liquids. ATCP 93.505(2)(a)2.2. The basin shall be equipped with either a drain system that directs spilled product into the tank or a mechanism to pump product out of the basin. ATCP 93.505(2)(a)3.a.a. The basin shall be tested for leaks hydrostatically at installation in accordance with any manufacturer’s instructions, and the adopted standard PEI RP 1200, except as provided in subd. 3. b. ATCP 93.505(2)(a)3.b.b. The testing in subd. 3. a. may be omitted for a spill containment basin that has continuous electronic pressure, vacuum, liquid-filled interstitial monitoring in addition to double-wall construction, if the monitoring system is tested at installation to verify that it operates in accordance with the manufacturer’s specifications. ATCP 93.505(2)(b)1.1. Overfill prevention equipment shall be provided that will operate as follows unless approved otherwise in writing by the department: ATCP 93.505(2)(b)1.a.a. Alert the transfer operator when the tank is no more than 90 percent full by triggering an audible and visual high-level alarm. ATCP 93.505(2)(b)1.b.b. Automatically shut off the flow of liquid into the tank when the tank is no more than 95 percent full, if the tank uses tight-connect delivery. ATCP 93.505 NoteNote: Retrofit equipment is available which complies with these requirements and which can be installed in a tank without removing pavement. See PEI RP100 section 7.3.2 for description of how the contents of the delivery hose can be drained into the tank after an automatic shutoff valve closes.
ATCP 93.505(2)(b)2.2. Overfill prevention equipment shall be tested before it is placed into service and annually to ensure it is set to activate at the level specified in subd. 1. and that it will activate when the contained liquid reaches that level. This testing shall be performed in accordance with manufacturer’s instructions and the adopted standard PEI RP 1200. ATCP 93.505 NoteNote: API RP 1007, Loading and Unloading of MC 306/DOT 406 Cargo Tank Motor Vehicles, is a guideline for use by truck drivers and other personnel that includes specific steps for unloading tank trucks into underground and aboveground tanks in a safe and efficient manner which protects the environment. It is available at http://publications.api.org. ATCP 93.505(3)(a)(a) All new and existing spill and overfill protection shall be maintained to perform as originally intended. ATCP 93.505 NoteNote: Under s. ATCP 93.585 (2) (b), fuel-delivery persons must immediately inform the owner or operator of any spilling or overfilling which occurs during the delivery procedure and which may result in or be a release. Requirements for the owner or operator to report, investigate and clean up any spills and overfills are contained in ss. ATCP 93.575 to 93.585. ATCP 93.505(3)(b)1.1. All new or existing spill-containment basins shall be tested for leaks at least once every 3 years in accordance with one of the following methods: ATCP 93.505(3)(b)1.b.b. A code of practice developed by a nationally recognized association or independent testing laboratory. ATCP 93.505(3)(b)2.2. The testing in subd. 1. may be omitted for a spill containment basin that has continuous electronic pressure, vacuum, liquid-filled interstitial monitoring in addition to double-wall construction, if the monitoring system is tested at installation to verify that it operates in accordance with the manufacturer’s specifications. ATCP 93.505(3)(b)3.3. Spill-containment basin tightness testing shall be performed by a person with no personal or monetary interest in the facility and whose employer has no personal or monetary interest in the facility. ATCP 93.505(3)(b)4.4. Any spill-containment basin with a tear, crack, or hole shall be replaced with equipment meeting the criteria for new spill containment. ATCP 93.505(3)(b)5.5. When a spill-containment basin replaced under subd. 2. has an obvious or suspected release or when an initial basin is installed on a preexisting tank on or after November 1, 2019, an assessment shall be performed in accordance with ss. ATCP 93.580 to 93.585. ATCP 93.505 HistoryHistory: CR 17-092: cr. Register October 2019 No. 766, eff. 11-1-19; correction in (2) (intro.), (a) 3., (3) (b) 1. (intro.), 2. made under s. 35.17, Stats., and correction in (2) (intro.), (3) (b) 5. made under s. 13.92 (4) (b) 14., Stats., Register October 2019 No. 766. ATCP 93.510(1)(a)(a) All new and existing underground tank systems used to store regulated substances shall be provided with a method of leak detection that complies with this section and s. ATCP 93.515, except as exempted in par. (d). ATCP 93.510(1)(c)(c) All monitoring equipment used to satisfy the requirements of this section shall be installed, calibrated, operated, and maintained to perform as originally intended in accordance with the manufacturer’s instructions and the department’s approval as issued under s. ATCP 93.130. ATCP 93.510(1)(d)1.1. Tanks which have a capacity of less than 1,100 gallons and which are located on farm premises or at private residences. ATCP 93.510(1)(d)2.2. Tanks storing Class IIIB liquids that are neither petroleum nor CERCLA-listed products. ATCP 93.510(1)(e)(e) If a tank system exhibits a continuing pattern of failing and then not failing leak detection testing, a precision tightness test shall be performed within 10 business days in accordance with s. ATCP 93.515 (4), and if a tank system fails to pass that test, the site shall be assessed for the presence of a release in accordance with ss. ATCP 93.575 to 93.585. ATCP 93.510 NoteNote: This section primarily addresses the leak detection that is required on a routine, ongoing basis during normal operation of an underground storage tank system. Several other sections of this chapter require additional UST leakage or tightness testing.
ATCP 93.510(2)(a)(a) The following equipment shall be verified by a qualified person every 12 months for the same degree of operability and capability as when the equipment was newly installed using either requirements developed by the manufacturer, or code of practice developed by a nationally recognized association in Table 93.200. ATCP 93.510(2)(a)1.1. Equipment for measuring product levels that is used for manual tank gauging or statistical inventory reconciliation.
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Department of Agriculture, Trade and Consumer Protection (ATCP)
Chs. ATCP 90-139; Trade and Consumer Protection
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