NR 664.0193(9)(a)
(a) For non-enterable underground tanks, a leak test that meets the requirements of s.
NR 664.0191 (2) (e) or other tank integrity method, as approved or required by the department, shall be conducted at least annually.
NR 664.0193(9)(b)
(b) For other than non-enterable underground tanks, the owner or operator shall either conduct a leak test as in par.
(a) or develop a schedule and procedure for an assessment of the overall condition of the tank system by a qualified professional engineer. The schedule and procedure shall be adequate to detect obvious cracks, leaks and corrosion or erosion that may lead to cracks and leaks. The owner or operator shall remove the stored waste from the tank, if necessary, to allow the condition of all internal tank surfaces to be assessed. The frequency of these assessments shall be based on the material of construction of the tank and its ancillary equipment, the age of the system, the type of corrosion or erosion protection used, the rate of corrosion or erosion observed during the previous inspection and the characteristics of the waste being stored or treated.
NR 664.0193(9)(c)
(c) For ancillary equipment, a leak test or other integrity assessment as approved by the department shall be conducted at least annually.
NR 664.0193 Note
Note: The practices described in the American Petroleum Institute (API) Publication Guide for Inspection of Refinery Equipment, Chapter XIII, “Atmospheric and Low-Pressure Storage Tanks", 4th edition, 1981, may be used, where applicable, as guidelines for assessing the overall condition of the tank system.
NR 664.0193(9)(d)
(d) The owner or operator shall maintain on file at the facility a record of the results of the assessments conducted in accordance with pars.
(a) to
(c).
NR 664.0193(9)(e)
(e) If a tank system or component is found to be leaking or unfit for use as a result of the leak test or assessment in pars.
(a) to
(c), the owner or operator shall comply with the requirements of s.
NR 664.0196.
NR 664.0193 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06;
CR 16-007: r. and recr. (1), am. (9) (b)
Register July 2017 No. 739, eff. 8-1-17;
CR 19-082: cr. (5) (a) 5., am. (5) (b) 5. a., b., (6) (a)
Register August 2020 No 776, eff. 9-1-20.
NR 664.0194
NR 664.0194 General operating requirements. NR 664.0194(1)(1)
Hazardous wastes or treatment reagents may not be placed in a tank system if they could cause the tank, its ancillary equipment or the containment system to rupture, leak, corrode or otherwise fail.
NR 664.0194(2)
(2) The owner or operator shall use appropriate controls and practices to prevent spills and overflows from tank or containment systems. These include at a minimum all of the following:
NR 664.0194(2)(a)
(a) Spill prevention controls (e.g., check valves, dry disconnect couplings).
NR 664.0194(2)(b)
(b) Overfill prevention controls (e.g., level sensing devices, high level alarms, automatic feed cutoff or bypass to a standby tank).
NR 664.0194(2)(c)
(c) Maintenance of sufficient freeboard in uncovered tanks to prevent overtopping by wave or wind action or by precipitation.
NR 664.0194(3)
(3) The owner or operator shall comply with the requirements of s.
NR 664.0196 if a leak or spill occurs in the tank system.
NR 664.0194 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06.
NR 664.0195(1)(1)
The owner or operator shall develop and follow a schedule and procedure for inspecting overfill controls.
NR 664.0195(2)
(2) The owner or operator shall inspect at least once each operating day data gathered from monitoring and leak detection equipment (for example, pressure or temperature gauges, monitoring wells) to ensure that the tank system is being operated according to its design.
NR 664.0195 Note
Note: Section
NR 664.0015 (3) requires the owner or operator to remedy any deterioration or malfunction found. Section
NR 664.0196 requires the owner or operator to notify the department within 24 hours of confirming a leak. Also, if a hazardous substance is released to the environment,
40 CFR part 302 may require the owner or operator to notify the national response center and s.
292.11, Stats., and ch.
NR 706 may require the owner or operator to notify the department.
NR 664.0195(3)
(3) In addition, except as noted under sub.
(4), the owner or operator shall inspect at least once each operating day:
NR 664.0195(3)(a)
(a) Above ground portions of the tank system, if any, to detect corrosion or releases of waste.
NR 664.0195(3)(b)
(b) The construction materials and the area immediately surrounding the externally accessible portion of the tank system, including the secondary containment system (for example, dikes) to detect erosion or signs of releases of hazardous waste (for example, wet spots, dead vegetation).
NR 664.0195(4)
(4) Owners or operators of tank systems that either use leak detection systems to alert facility personnel to leaks, or implement established workplace practices to ensure leaks are promptly identified, shall inspect at least weekly those areas described in sub.
(3) (a) and
(b). Use of the alternate inspection schedule shall be documented in the facility's operating record. This documentation shall include a description of the established workplace practices at the facility.
NR 664.0195(5)
(5) Ancillary equipment that is not provided with secondary containment, as described in s.
NR 664.0193 (6) (a) to
(d), shall be inspected at least once each operating day.
NR 664.0195(6)
(6) The owner or operator shall inspect cathodic protection systems, if present, according to, at a minimum, all of the following requirements to ensure that they are functioning properly:
NR 664.0195(6)(a)
(a) The proper operation of the cathodic protection system shall be confirmed within 6 months after initial installation and annually thereafter.
NR 664.0195(6)(b)
(b) All sources of impressed current shall be inspected or tested, or both, as appropriate, at least bimonthly (that is, every other month).
NR 664.0195 Note
Note: The practices described in the National Association of Corrosion Engineers (NACE) standard, “Recommended Practice (RP-02-85)—Control of External Corrosion on Metallic Buried, Partially Buried, or Submerged Liquid Storage Systems” and the American Petroleum Institute (API) Publication 1632, “Cathodic Protection of Underground Petroleum Storage Tanks and Piping Systems,” may be used, where applicable, as guidelines in maintaining and inspecting cathodic protection systems.
NR 664.0195(7)
(7) The owner or operator shall document in the operating record of the facility an inspection of those items in subs.
(1) to
(3).
NR 664.0195 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06;
CR 16-007: r. and recr. (2) to (4), cr. (5) to (7)
Register July 2017 No. 739, eff. 8-1-17.
NR 664.0196
NR 664.0196 Response to leaks or spills and disposition of leaking or unfit-for-use tank systems. A tank system or secondary containment system from which there has been a leak or spill, or which is unfit for use, shall be removed from service immediately, and the owner or operator shall satisfy the following requirements:
NR 664.0196(1)
(1) C
essation of use;
prevent flow or addition of wastes. The owner or operator shall immediately stop the flow of hazardous waste into the tank system or secondary containment system and inspect the system to determine the cause of the release.
NR 664.0196(2)
(2)
Removal of waste from tank system or secondary containment system. NR 664.0196(2)(a)
(a) If the release was from the tank system, the owner or operator shall, within 24 hours after detection of the leak or, if the owner or operator demonstrates that it is not possible, at the earliest practicable time, remove as much of the waste as is necessary to prevent further release of hazardous waste to the environment and to allow inspection and repair of the tank system to be performed.
NR 664.0196(2)(b)
(b) If the material released was to a secondary containment system, all released materials shall be removed within 24 hours or in as timely a manner as is possible to prevent harm to human health and the environment.
NR 664.0196(3)
(3)
Containment of visible releases to the environment. The owner or operator shall immediately conduct a visual inspection of the release and, based upon that inspection, do all of the following:
NR 664.0196(3)(a)
(a) Prevent further migration of the leak or spill to soils or surface water.
NR 664.0196(3)(b)
(b) Remove, and properly dispose of, any visible contamination of the soil or surface water.
NR 664.0196(4)(a)(a) Any release to the environment, except as provided in par.
(b), shall be reported to the department within 24 hours of its detection. If the release has been reported pursuant to ch.
NR 706, that report will satisfy this requirement.
NR 664.0196(4)(b)
(b) A leak or spill of hazardous waste is exempted from the requirements of this subsection if it is all of the following:
NR 664.0196(4)(c)
(c) Within 30 days of detection of a release to the environment, a report containing all of the following information shall be submitted to the department:
NR 664.0196(4)(c)2.
2. Characteristics of the surrounding soil (soil composition, geology, hydrogeology, climate).
NR 664.0196(4)(c)3.
3. Results of any monitoring or sampling conducted in connection with the release (if available). If sampling or monitoring data relating to the release are not available within 30 days, these data shall be submitted to the department as soon as they become available.
NR 664.0196(4)(c)4.
4. Proximity to downgradient drinking water, surface water and populated areas.
NR 664.0196(5)
(5)
Provision of secondary containment, repair or closure. NR 664.0196(5)(b)
(b) If the cause of the release was a spill that has not damaged the integrity of the system, the owner or operator may return the system to service as soon as the released waste is removed and repairs, if necessary, are made.
NR 664.0196(5)(c)
(c) If the cause of the release was a leak from the primary tank system into the secondary containment system, the system shall be repaired prior to returning the tank system to service.
NR 664.0196(5)(d)
(d) If the source of the release was a leak to the environment from a component of a tank system without secondary containment, the owner or operator shall provide the component of the system from which the leak occurred with secondary containment that satisfies the requirements of s.
NR 664.0193 before it can be returned to service, unless the source of the leak is an aboveground portion of a tank system that can be inspected visually. If the source is an aboveground component that can be inspected visually, the component shall be repaired and may be returned to service without secondary containment as long as the requirements of sub.
(6) are satisfied. If a component is replaced to comply with the requirements of this paragraph, that component shall satisfy the requirements for new tank systems or components in ss.
NR 664.0192 and
664.0193. Additionally, if a leak has occurred in any portion of a tank system component that is not readily accessible for visual inspection (e.g., the bottom of an inground or onground tank), the entire component shall be provided with secondary containment in accordance with s.
NR 664.0193 prior to being returned to use.
NR 664.0196(6)
(6)
Certification of major repairs. If the owner or operator has repaired a tank system in accordance with sub.
(5), and the repair has been extensive (for example, installation of an internal liner; repair of a ruptured primary containment or secondary containment vessel), the tank system may not be returned to service unless the owner or operator has obtained a certification by a qualified professional engineer in accordance with s.
NR 670.011 (4) that the repaired system is capable of handling hazardous wastes without release for the intended life of the system. This certification shall be placed in the operating record and maintained until closure of the facility.
NR 664.0196 Note
Note: The department or EPA Regional Administrator may, on the basis of any information received that there is or has been a release of hazardous waste or hazardous constituents into the environment, issue an order under s.
291.37 or
291.85, Stats., or
42 USC 6924 (v),
6928 (h), or
6973 (a), requiring corrective action or other response as deemed necessary to protect human health or the environment.
NR 664.0196 Note
Note: See s.
NR 664.0015(3) for the requirements necessary to remedy a failure. Also, if a hazardous substance is released to the environment,
40 CFR part 302 may require the owner or operator to notify the national response center and s.
292.11, Stats., and ch.
NR 706 may require the owner or operator to notify the department.
NR 664.0196 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06;
CR 16-007: am. (6)
Register July 2017 No. 739, eff. 8-1-17.
NR 664.0197(1)(1)
At closure of a tank system, the owner or operator shall remove or decontaminate all waste residues, contaminated containment system components (liners, etc.), contaminated soils, and structures and equipment contaminated with waste, and manage them as hazardous waste, unless s.
NR 661.0003 (4) applies. The closure plan, closure activities, cost estimates for closure, and financial responsibility for tank systems shall meet all of the requirements specified in subchs.
G and
H.
NR 664.0197(2)
(2) If the owner or operator demonstrates that not all contaminated soils can be practicably removed or decontaminated as required in sub.
(1), then the owner or operator shall close the tank system and perform long-term care in accordance with the closure and long-term care requirements that apply to landfills (s.
NR 664.0310). In addition, for the purposes of closure, long-term care and financial responsibility, such a tank system is then considered to be a landfill, and the owner or operator shall meet all of the requirements for landfills specified in subchs.
G and
H.
NR 664.0197(3)
(3) If an owner or operator has a tank system that does not have secondary containment that meets the requirements of s.
NR 664.0193 (2) to
(6) and has not been granted a variance from the secondary containment requirements in accordance with s.
NR 664.0193 (7), then:
NR 664.0197(3)(a)
(a) The closure plan for the tank system shall include both a plan for complying with sub.
(1) and a contingent plan for complying with sub.
(2).
NR 664.0197(3)(b)
(b) A contingent long-term care plan for complying with sub.
(2) shall be prepared and submitted as part of the feasibility and plan of operation report.
NR 664.0197(3)(c)
(c) The cost estimates calculated for closure and long-term care shall reflect the costs of complying with the contingent closure plan and the contingent long-term care plan, if those costs are greater than the costs of complying with the closure plan prepared for the expected closure under sub.
(1).
NR 664.0197(3)(e)
(e) For the purposes of the contingent closure and long-term care plans, such a tank system is considered to be a landfill, and the contingent plans shall meet all of the closure, long-term care and financial responsibility requirements for landfills under subchs.
G and
H.
NR 664.0197 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06;
CR 19-082: am. (1)
Register August 2020 No 776, eff. 9-1-20; correction in (1) made under s.
35.17, Stats.,
Register August 2020 No. 776.
NR 664.0198
NR 664.0198 Special requirements for ignitable or reactive wastes. NR 664.0198(1)(1)
Ignitable or reactive waste may not be placed in tank systems, unless par.
(a),
(b) or
(c) applies:
NR 664.0198(1)(a)
(a) The waste is treated, rendered or mixed before or immediately after placement in the tank system so that all of the following apply:
NR 664.0198(1)(b)
(b) The waste is stored or treated in such a way that it is protected from any material or conditions that may cause the waste to ignite or react.
NR 664.0198(2)
(2) The owner or operator of a facility where ignitable or reactive waste is stored or treated in a tank shall comply with the requirements for the maintenance of protective distances between the waste management area and any public ways, streets, alleys or an adjoining property line that can be built upon as required in Tables 2-1 to 2-6 of the National Fire Protection Association's “Flammable and Combustible Liquids Code" (1977 or 1981), incorporated by reference in s.
NR 660.11.
NR 664.0198 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06;
CR 19-082: am. (1) (a) 1.
Register August 2020 No 776, eff. 9-1-20.
NR 664.0199
NR 664.0199 Special requirements for incompatible wastes. NR 664.0199(2)
(2) Hazardous waste may not be placed in a tank system that has not been decontaminated and that previously held an incompatible waste or material, unless s.
NR 664.0017 (2) is complied with.
NR 664.0199 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06; correction in (1) made under s.
13.92 (4) (b) 7., Stats.,
Register March 2013 No. 687.
NR 664.0200
NR 664.0200 Air emission standards. The owner or operator shall manage all hazardous waste placed in a tank in accordance with the applicable requirements of subchs.
AA,
BB and
CC.
NR 664.0200 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06.
NR 664.0220
NR 664.0220 Applicability. This subchapter applies to owners and operators of facilities that use surface impoundments to treat, store or dispose of hazardous waste except as s.
NR 664.0001 provides otherwise.
NR 664.0220 History
History: CR 05-032: cr.
Register July 2006 No. 607, eff. 8-1-06.
NR 664.0221
NR 664.0221 Design and operating requirements. NR 664.0221(1)(1)
Any surface impoundment that is not covered by sub.
(3) or s.
NR 665.0221 shall have a liner for all portions of the impoundment (except for existing portions of the impoundment). The liner shall be designed, constructed and installed to prevent any migration of wastes out of the impoundment to the adjacent subsurface soil or groundwater or surface water at any time during the active life (including the closure period) of the impoundment. The liner may be constructed of materials that may allow wastes to migrate into the liner (but not into the adjacent subsurface soil or groundwater or surface water) during the active life of the facility, provided that the impoundment is closed in accordance with s.
NR 664.0228 (1) (a). For impoundments that will be closed in accordance with s.
NR 664.0228 (1) (b), the liner shall be constructed of materials that can prevent wastes from migrating into the liner during the active life of the facility. The liner shall be all of the following:
NR 664.0221(1)(a)
(a) Constructed of materials that have appropriate chemical properties and sufficient strength and thickness to prevent failure due to pressure gradients (including static head and external hydrogeologic forces), physical contact with the waste or leachate to which they are exposed, climatic conditions, the stress of installation and the stress of daily operation.
