ATCP 93.545(1)(c)2. 2. Facilities that are in operation and secured against general public access are not required to have the additional security required in subd. 1.
ATCP 93.545(1)(d) (d) All vent lines shall be left open and functioning.
ATCP 93.545(1)(e) (e) All periodic inspections and maintenance shall be performed as if the tank were still in service.
ATCP 93.545(1)(f) (f) Financial responsibility requirements of subch. VII shall be maintained.
ATCP 93.545(2) (2)Placing a tank back into service.
ATCP 93.545(2)(a)(a) A precision tightness test shall be performed on the tank and piping in accordance with s. ATCP 93.515 (4) before placing the tank system back into service.
ATCP 93.545(2)(b) (b) Tank systems out of service for more than 365 days shall have a pressure test of the ullage portion to assure that tank connections are tight and shall fully comply with this chapter before being placed back into service, except double-wall construction is not newly required for tank systems installed before February 1, 2009.
ATCP 93.545(2)(c) (c) Tank systems covered in par. (a) shall immediately have the leak detection system verified in accordance with s. ATCP 93.510 (2).
ATCP 93.545(2)(d) (d) Tanks covered in par. (b) shall have all the respective components documented as functional on form ERS-10778.
ATCP 93.545 Note Note: Form ERS-10778, Underground Tank System Release and Leak Monitoring Functionality Verification, 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 93.545(3) (3)Non-complying tank systems. Tank systems that are placed out of service which do not comply with this section shall be permanently closed in accordance with s. ATCP 93.560 within 60 calendar days.
ATCP 93.545 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; CR 09-017: am. (1) (a) 2. b., (2) (b), (c), and (3), cr. (2) (d) Register July 2009 No. 643, eff. 8-1-09; correction in (2) (a), (c), (3) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; corrections in (2) (a), (c), (3) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694.
ATCP 93.550 ATCP 93.550Change in service to store a non-regulated substance.
ATCP 93.550(1)(1) When a tank system that held a regulated substance undergoes a change in service to store a non-regulated substance, the owner or operator shall comply with all of the following requirements:
ATCP 93.550(1)(a) (a) At least 5 business days before beginning a change in service, the owner or operator shall notify the authorized agent or the department of the intended change.
ATCP 93.550(1)(b) (b) Before a change in service, the owner or operator shall have the tank emptied and cleaned, by removing all liquid and accumulated sludge in accordance with the procedures specified in API 2015.
ATCP 93.550(1)(c) (c) A tank-system integrity assessment, and if necessary, a tank-system site assessment shall be performed for the tank system in accordance with ss. ATCP 93.575 to 93.585 after notifying the authorized agent or the department but before completing the change in service.
ATCP 93.550(1)(d) (d) Cleaning of tanks and tank-system site assessments shall be performed by persons certified in accordance with ss. SPS 305.82 to 305.89.
ATCP 93.550(1)(e) (e) The owner shall have a revised tank registration, form TR-WM-137, and part A of the department's tank-system service and closure assessment report, form TR-WM-140, completed and submitted to the department within 21 business days of changing a tank system to storage of a non-regulated substance.
ATCP 93.550 Note Note: Forms TR-WM-137- Underground Flammable/Combustible/Hazardous Liquid Storage Tank Registration, and form TR-WM-140– Tank System Service and Closure Assessment Report are available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
ATCP 93.550(2) (2) When a tank system that held a non-regulated substance undergoes a change in service to store a regulated substance, all applicable requirements of this chapter apply upon placing the tank system into service.
ATCP 93.550 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; correction in (1) (c), (d) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; corrections in (1) (c), (d) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694; CR 16-012: am. (1) (e) Register August 2016 No. 728, eff. 9-1-16.
ATCP 93.560 ATCP 93.560Tank system closure.
ATCP 93.560(1) (1)Notification. At least 5 business days before beginning permanent closure of a tank system, the owner or operator shall notify the authorized agent or the department of the intended closure, on form TR-WM-121, except a shorter notification period is permitted where unexpected closure is commenced upon finding adverse conditions during a corrective action conducted under s. ATCP 93.585.
ATCP 93.560 Note Note: Form TR-WM-121– ATCP 93 Notification Record is available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
ATCP 93.560(2) (2)Closure procedures.
ATCP 93.560(2)(a)(a) To permanently close an underground tank system, the owner or operator shall have the tank and piping emptied and cleaned, by removing all liquids and accumulated sludge, and shall remove the tank and piping from the site unless allowed otherwise under par. (e). Tanks that are removed shall be scrapped unless reused in accordance with s. ATCP 93.350 (3) (i) or 93.500 (3) (c).
ATCP 93.560(2)(b) (b) Tank cleaning processes shall comply with the appropriate national standard referenced in s. ATCP 93.200.
ATCP 93.560(2)(c) (c) Individuals cleaning tanks or removing tanks or portions of tank systems shall be certified in accordance with ss. SPS 305.82 to 305.89.
ATCP 93.560(2)(d) (d) When an underground tank is closed, or when a previously closed tank is removed under sub. (4), the owner shall have a revised tank registration, form TR-WM-137, and part A of the department's tank-system service and closure assessment report, form TR-WM-140, completed and submitted to the department within 21 business days of closure or removal.
ATCP 93.560 Note Note: Form TR-WM-137— Underground Flammable/Combustible/Hazardous Liquid Storage Tank Registration, and form TR-WM-140– Tank System Service and Closure Assessment Report are available from the Bureau of Weights and Measures, PO Box 8911, Madison, WI 53708-8911, or at telephone (608) 224-4942, or at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
ATCP 93.560(2)(e) (e) Underground tanks systems may be closed in-place by filling with an inert, solid material, after emptying and cleaning, if the authorized agent or the department determines, upon written request from the owner or operator, that one or more of the following conditions exist:
ATCP 93.560(2)(e)1. 1. Excavation would impact the structural integrity of an adjacent building or structure.
ATCP 93.560(2)(e)2. 2. Overhead utilities at a commercial site pose a safety hazard.
ATCP 93.560(2)(e)3. 3. Excavation would impact adjacent transformers or substations.
ATCP 93.560(2)(e)4. 4. Unauthorized encroachment would occur onto neighboring property under different ownership.
ATCP 93.560(2)(e)5. 5. The tank location is inaccessible to necessary equipment.
ATCP 93.560(2)(e)6. 6. Excavation would result in the destruction of mature trees.
ATCP 93.560(2)(e)7. 7. Excavation would encroach upon a public way.
ATCP 93.560(2)(e)8. 8. Excavation would necessitate the disconnection or relocation of underground utilities.
ATCP 93.560 Note Note: Closing a tank in-place does not exempt the tank from tank-system site assessment requirements.
ATCP 93.560(3) (3)Tank-system site assessment. A tank-system site assessment shall be performed in accordance with ss. ATCP 93.575 to 93.585 after notifying the authorized agent or the department but before installing a new system or backfilling the tank basin and the piping trenches.
ATCP 93.560 Note Note: The Department and the Department of Natural Resources share jurisdiction over tank closures and tank-system site assessments. The DNR must be notified if a release is discovered.
ATCP 93.560(4) (4)Applicability to previously closed systems.
ATCP 93.560(4)(a)(a) General. When directed by the department, the owner or operator of any tank system closed in-place before December 22, 1988, shall have the system removed in accordance with this section and have the tank basin assessed in conformance with s. ATCP 93.580.
ATCP 93.560(4)(b) (b) Systems previously closed without solid, inert fill. The owner or operator of any tank system that was closed before October 1, 1971, without removing the tank from the site but by filling the tank with water, shall bring the closed system into compliance with sub. (2) within a time period established by the department on a case-by-case basis, except that the tank-system site assessment in s. ATCP 93.580 is not required unless there is a suspected or obvious release. Written documentation shall be provided to prove closure with water before September 1, 1971.
ATCP 93.560 Note Note: Before September 1, 1971, chapter Ind 8 — Flammable and Combustible Liquids Code allowed UST systems to be filled with water when closed or abandoned in-place.
ATCP 93.560(4)(c) (c) Other tanks. Empty or improperly closed or abandoned tanks that do not meet the requirements of sub. (2) or the exemption under par. (b) shall be permanently closed in accordance with all of the provisions of this section.
ATCP 93.560(5) (5)Abandoned tanks. Tanks that are abandoned with or without product shall be permanently closed within 60 days of being abandoned or discovered.
ATCP 93.560 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; correction in (1), (2) (a), (b), (c), (3), (4) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; corrections in (1), (2) (a) to (c), (3), (4) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694; CR 16-012: am. (1), (2) (d) Register August 2016 No. 728, eff. 9-1-16.
ATCP 93.570 ATCP 93.570Conditions indicating a release. The owner or operator of a storage tank system shall follow the procedures in s. ATCP 93.575 when any of the following conditions exist or when ordered to do so by the department:
ATCP 93.570(1) (1)Operating conditions. Unusual operating conditions exist, such as erratic behavior of product dispensing equipment, loss of product from the tank system or an unexplained presence of water in the tank.
ATCP 93.570 Note Note: Significant damage to equipment would be considered to be an unusual operating condition that could result in needing to perform the assessments specified in section ATCP 93.575.
ATCP 93.570(2) (2)Monitoring results. Results from a leak detection method indicate that a release may have occurred.
ATCP 93.570(3) (3)Offsite impacts. Offsite impacts appear, such as the presence of contaminated soils or free product, dissolved phase product or vapors in soils, basements, sewer or utility lines or nearby waters of the state.
ATCP 93.570(4) (4)Inventory verification. Inventory verification results indicate that a required method of leak detection has failed.
ATCP 93.570 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; correction in (intro.) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; correction in (intro.) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694.
ATCP 93.575 ATCP 93.575Tank-system integrity assessment.
ATCP 93.575(1)(1)General. The owner or operator shall assess all suspected or obvious releases in accordance with sub. (2) within 7 business days of discovery of any of the conditions described in s. ATCP 93.570, unless any of the following conditions occur:
ATCP 93.575(1)(a) (a) System equipment or the monitoring device is found to be defective and is immediately repaired, re-calibrated or replaced, and additional monitoring does not confirm the initial result.
ATCP 93.575(1)(b) (b) Inventory control is the method of leak detection, as allowed by s. ATCP 93.510 (3) (d), and the data is re-evaluated using an additional 7 days of data, and the re-evaluation does not show a loss.
ATCP 93.575(2) (2)Assessment. The owner or operator shall evaluate and confirm all suspected or obvious releases by taking one or all of the following actions and shall also do so in accordance with any corresponding directive of the department:
ATCP 93.575(2)(a) (a) Tank-system integrity assessment. The owner or operator shall have a precision tightness test conducted in accordance with s. ATCP 93.515 (4) to determine whether a leak exists.
ATCP 93.575(2)(b) (b) Tank-system site assessment. The owner or operator shall have the site assessed for the presence of a release in accordance with s. ATCP 93.580.
ATCP 93.575 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; CR 09-017: am. (2) (intro.) Register July 2009 No. 643, eff. 8-1-09; correction in (1) (intro.), (b), (2) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; correction in (1) (intro.), (b), (2) (a), (b) made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694.
ATCP 93.580 ATCP 93.580Tank-system site assessment.
ATCP 93.580(1)(1)General. When a tank-system site assessment is required by this chapter, or when directed by the department, the owner or operator shall have the site evaluated for the presence of a suspected or obvious release in accordance with sub. (3).
ATCP 93.580 Note Note: An “obvious release" means there is an indication of a release, and there is both environmental evidence, such as soil discoloration, observable free product, or odors — and a known source, such as a tank or piping with cracks, holes or rust plugs, or leaking joints.
ATCP 93.580 Note A “suspected release" means either of the following: (a) There is an indication that a tank system has leaked — such as inventory losses; observable free product or evidence of free product in secondary containment at dispensers, submersible pumps or spill buckets; petroleum odors; or leak detection alarm system activation — but there is no observable environmental evidence of a release; or (b) There is observable environmental evidence of a release, such as soil discoloration or free product, but the source is unknown.
ATCP 93.580(2) (2)Exemption from assessment. A tank-system site assessment is required for the following tank systems or components only if there is a suspected or obvious release:
ATCP 93.580(2)(a) (a) Tanks which have a capacity of less than 4,000 gallons and which stored heating oil for consumptive use on the premises where stored.
ATCP 93.580(2)(b) (b) Tanks located at a private residence or on a farm premises, which have a capacity of less than 1,100 gallons, and which stored fuel for dispensing into motorized vehicles.
ATCP 93.580(2)(c) (c) The closure of double-wall pipe when modification or upgrading is conducted on a system that will remain in operation, unless the piping is to be closed in-place.
ATCP 93.580(2)(d) (d) Where the entire tank system, including the connections at the tank and dispensers, has been placed in liquid-tight secondary containment for the entire life of the system.
ATCP 93.580(3) (3)Tank-system site assessment procedures.
ATCP 93.580(3)(a)(a) General. When a tank-system site assessment is required, the owner or operator shall have a certified tank-system site assessor document field observations and sample for the presence of a release wherever contamination is identified or is most likely to be present at the tank site. If the assessor discovers obvious contamination, he or she shall complete the appropriate assessment sampling, such as for the entire system; or for only the tank, or piping, or sumps, or dispensers, and complete the documentation and reporting in its entirety. All sampling, documentation and reporting under this paragraph shall be in a format prescribed by the department.
ATCP 93.580 Note Note: The sampling documentation and reporting prescribed by the Department is contained in Tank System Site Assessment: A Guide to the Assessment and Reporting of Suspected or Obvious Releases From Underground and Aboveground Storage Tank Systems and is available from the Department's Web site at http://165.189.64.111/Documents/Industry%20Services/ERS/BST/ER-BST-PL-TSSA_Guide.pdf.
ATCP 93.580 Note Note: The format for the reporting is available at https://datcp.wi.gov/Pages/Programs_Services/PetroleumHazStorageTanks.aspx.
ATCP 93.580 Note Note: In section ATCP 93.585, releases are required to be reported to the Department of Natural Resources. Failure to notify the DNR of a release may have serious consequences – such as forfeitures under section 168.26 of the Statutes of $10 to $5000 for each violation. Each day of continued violation is a separate offense, and under section ATCP 93.180, each tank that is in violation is a separate offense.
ATCP 93.580(3)(b) (b) Exception. A person who is not a certified tank-system site assessor may perform assessments if directly supervised by a certified tank-system site assessor who is on the site during the entire assessment.
ATCP 93.580(3)(c) (c) Filing.
ATCP 93.580(3)(c)1.1. The documentation required in par. (a) shall be filed with the owner or operator no later than 21 business days after discovery of the conditions that resulted in the assessment.
ATCP 93.580(3)(c)2. 2. For all tank or piping removals, and for all releases that must be reported to the department of natural resources under s. ATCP 93.585 (2), the documentation required in par. (a) shall also be filed with the department of natural resources no later than 21 business days after the tank removal or the discovery of the release.
ATCP 93.580 Note Note: Send the documentation that must be filed with the Department of Natural Resources under this section to the Environmental Program Associate in the applicable DNR regional office. A map of those regions and the contact information for the Environmental Program Associates is available through the following DNR Web site: http://dnr.wi.gov/topic/brownfields/contact.html.
ATCP 93.580 History History: CR 07-029: cr. Register November 2008 No. 635, eff. 2-1-09; correction in (3) (c) 2. made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; correction in (3) (c) 2. made under s. 13.92 (4) (b) 7., Stats., Register October 2013 No. 694.
ATCP 93.585 ATCP 93.585Responding to a leak, spill, overfill or release.
ATCP 93.585(1)(1)general.
ATCP 93.585(1)(a)(a) Leaks. Immediately upon discovery of any evidence of a leak from a tank system or dispensing system, the owner or operator or any contractor performing work under this chapter shall take all measures necessary to stop the leak and to prevent migration of any free product into the environment.
ATCP 93.585(1)(b) (b) Releases. Immediately upon confirming any suspected release or discovering any obvious release, the owner or operator shall investigate the extent of contamination, and undertake corrective and mitigation actions in accordance with s. 292.11 (3), Stats.
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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.