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NR 419.045(2)(e)3.m. m. Each gauge hatch or sample well shall have a cover fitted with a gasket which is closed at all times except when the hatch or well must be open for access.
NR 419.045(2)(e)3.n. n. The external floating roof shall be floating on the liquid surface at all times except when the floating roof must be supported by the leg supports during any period of an initial fill, after the tank has been completely emptied and degassed, or when the tank is completely emptied before being subsequently refilled.
NR 419.045(2)(e)3.o. o. When the floating roof is resting on the leg supports, the process of filling, emptying, or refilling shall be continuous and shall be accomplished as soon as practical.
NR 419.045(2)(f) (f) Treatment processes. For each treatment process managing an affected VOC wastewater stream or an affected residual, the owner or operator shall comply with the requirements as specified in this paragraph. Once an affected VOC wastewater stream or an affected residual has been treated in accordance with the requirements of this paragraph, the affected VOC wastewater stream or the affected residual is no longer subject to the requirements of this subsection.
NR 419.045(2)(f)1. 1. Each component of the treatment process shall meet the applicable requirements of pars. (a) to (e).
NR 419.045(2)(f)2. 2. Gases vented from a treatment process shall be routed by means of a closed vent system to a control device which is designed and operated to reduce the VOC vented to it by at least 90% by weight. Vents from anaerobic biological treatment processes may be routed through hard-piping to a fuel gas system.
NR 419.045(2)(f)3. 3. For each of the affected VOC wastewater streams that are treated in a nonbiological treatment process, or a combination of nonbiological treatment processes, the owner or operator shall, by removal or destruction, reduce the mass flow rate of affected VOC by 90% or more while reducing the affected VOC concentration to less than 1,000 parts per million by weight. Dilution may not be used to achieve compliance with this subdivision. This requirement does not apply to affected wastewater or affected residuals that comply with the requirements for Resource Conservation and Recovery Act (RCRA) (42 USC 6921 to 6939e) treatment options specified in subd. 6.
NR 419.045(2)(f)4. 4. The owner or operator using a closed biological treatment process for at least one affected VOC wastewater stream shall reduce the mass flow rate for all affected VOC from all wastewater streams entering the biological treatment process by at least 90%.
NR 419.045(2)(f)5. 5. The owner or operator shall operate and maintain a steam stripper that meets all of the following requirements:
NR 419.045(2)(f)5.a. a. Minimum active column height of five meters.
NR 419.045(2)(f)5.b. b. Countercurrent flow configuration with a minimum of ten actual trays.
NR 419.045(2)(f)5.c. c. Minimum steam flow rate of 0.04 kilograms of steam per liter of wastewater feed within the column.
NR 419.045(2)(f)5.d. d. Minimum wastewater feed temperature to the steam stripper of 95°C, or minimum column operating temperature of 95°C.
NR 419.045(2)(f)5.e. e. Maximum liquid loading of 67,100 liters per hour per square meter.
NR 419.045(2)(f)5.f. f. Operate at nominal atmospheric pressure.
NR 419.045(2)(f)6. 6. The owner or operator may elect to treat the affected VOC wastewater stream or affected residual in a unit identified in, and complying with any of the following RCRA treatment options:
NR 419.045(2)(f)6.a. a. The affected VOC wastewater stream or affected residual is discharged to a hazardous waste incinerator for which the owner or operator has been issued a final permit under 40 CFR part 270 and complies with the requirements of 40 CFR part 264, subpart O, or has certified compliance with the interim status requirements of 40 CFR part 265, subpart O.
NR 419.045(2)(f)6.b. b. The affected VOC wastewater stream or affected residual is discharged to a process heater or boiler burning hazardous waste for which the owner or operator has either been issued a final permit under 40 CFR part 270 and complies with the requirements of 40 CFR part 266, subpart H, or has certified compliance with the interim status requirements of 40 CFR part 266, subpart H.
NR 419.045(2)(f)6.c. c. The affected VOC wastewater stream or affected residual is discharged to an underground injection well for which the owner or operator has been issued a final permit under 40 CFR part 270 or 40 CFR part 144 and complies with the requirements of 40 CFR part 122. The owner or operator shall comply with all applicable requirements of this subsection prior to the point where the wastewater enters the underground portion of the injection well.
NR 419.045(2)(f)7. 7. For each affected residual, the owner or operator shall control for air emissions by complying with pars. (a) to (e) and one of the following requirements:
NR 419.045(2)(f)7.a. a. Recycle the affected residual to a production process on-site or transfer the affected residual off-site for the purpose of recycling. Once an affected residual is returned to a production process, the affected residual is no longer subject to this subsection.
NR 419.045(2)(f)7.b. b. Return the affected residual to the treatment process.
NR 419.045(2)(f)7.c. c. Treat the affected residual to destroy the total combined mass flow rate of affected VOC by 99% or more in a nonbiological treatment process.
NR 419.045(2)(f)7.d. d. Comply with the requirements for treatment options specified in subd. 6.
NR 419.045(3) (3) Alternative methods of control. The following alternate methods of demonstrating and documenting continuous compliance with the applicable control requirements or exemption criteria in this section may be utilized if approved by the department with written concurrence from EPA:
NR 419.045(3)(a) (a) As an alternative to the control requirements of sub. (2), the owner or operator of waste management units may elect to ensure that the overall control of VOC emissions at the facility from wastewater from affected industrial categories is at least 90% less than the 2011 calendar year baseline emissions for VOC emissions to the ambient air from process wastewater, provided that adequate documentation is submitted to the department which supports the accuracy of the calendar year baseline emissions and the following requirements are met:
NR 419.045(3)(a)1. 1. The owner or operator of a waste management unit shall submit a control plan to the department which demonstrates that the overall control of VOC emissions at the facility from wastewater from affected industrial categories will be at least 90% less than the calendar year baseline emissions. Any control plan submitted shall be approved by the department in writing before the owner or operator may use the control option available under this paragraph for compliance. At a minimum, the control plan shall include the applicable emissions units' identification; the facility identification number; the calendar year baseline emission rates of VOC from wastewater from affected industrial categories consistent with the calendar year baseline emissions; a plot plan showing the location, the emissions units' identification, and facility identification number associated with a waste management unit; the VOC emission rates for each emissions unit for the preceding calendar year; and an explanation of the recordkeeping procedure and calculations which will be used to demonstrate compliance. The VOC emission rates shall be calculated in a manner consistent with the calendar year baseline emissions.
NR 419.045(3)(a)2. 2. The owner or operator shall submit an annual report no later than March 31 of each calendar year to the department which demonstrates that the overall control of VOC emissions from wastewater from affected industrial categories during the preceding calendar year is at least 90% less than the baseline emissions. At a minimum, the report shall include the facility identification number; the emissions units' identification; the throughput of wastewater from affected industrial categories; a plot plan showing the location; the emissions units' identification; and the facility identification number associated with waste management units; and the VOC emission rates for the preceding calendar year. The emission rates for the preceding calendar year shall be calculated in a manner consistent with the calendar year baseline emissions.
NR 419.045(3)(a)3. 3. All control plans and reports shall include documentation that the overall reduction of VOC emissions from wastewater from affected industrial categories continues to be at least 90% less than the calendar year baseline emissions. The emission rates shall be calculated in a manner consistent with the calendar year baseline emissions.
NR 419.045(3)(b) (b) The owner or operator of an affected industrial category which is subject to and complies with the provisions of 40 CFR part 63, subpart G, subpart JJJ, or subpart FFFF, or any other emission standard promulgated under 40 CFR part 63 that references the wastewater control requirements set forth in 40 CFR part 63, subpart G, shall be deemed to be in compliance with this section, provided that all of the following are met:
NR 419.045(3)(b)1. 1. The term “affected VOC" is substituted each place that 40 CFR part 63, subpart G, subpart JJJ, and subpart FFFF, and any other 40 CFR part 63 emission standard references the term “organic hazardous air pollutant" or “organic HAP".
NR 419.045(3)(b)2. 2. For affected VOC not specifically listed in table 9 of 40 CFR part 63, subpart G, the corresponding fraction removed value shall be based on one of the following:
NR 419.045(3)(b)2.a. a. The procedures in 40 CFR part 60, appendix J as proposed on December 9, 1998 in the Federal Register.
NR 419.045(3)(b)2.b. b. An assigned value of 0.99.
NR 419.045(3)(b)2.c. c. Use of WATER9, Version 2.0, a wastewater treatment model, incorporated by reference in s. NR 484.06 (4) (f).
NR 419.045(3)(b)3. 3. Before implementing the option available under this paragraph, the owner or operator provides written notice of the intent to utilize this option to the department.
NR 419.045(4) (4) Inspection and monitoring. The owner or operator of a waste management unit that is subject to requirements under sub. (2) or (3) shall comply with the following inspection and monitoring requirements, except that an owner and operator subject to and in compliance with a subpart in 40 CFR part 63 as provided in sub. (3) (b), may comply with the inspection, monitoring, and record keeping requirements of that subpart instead of the requirements of this subsection.
NR 419.045(4)(a) (a) All seals, covers, closed vent systems, and other equipment used to comply with sub. (2) or (3) shall be visually inspected for leaks and improper conditions semiannually and upon repair as specified in this paragraph. If any seal, cover, closed vent system, or other equipment is found to have a leak or be in improper condition, the equipment shall be repaired as soon as possible, but no later than 15 calendar days after detection, unless the repair or correction is technically infeasible without requiring a process unit shutdown, in which case the repair or correction shall be made during the next process unit shutdown.
NR 419.045(4)(a)1. 1. For a wastewater tank equipped with a fixed roof and vapor control system, visually inspect the fixed roof, openings, and the closed vent system for leaks, except for a cover and closed vent system maintained under negative pressure, and take corrective action.
NR 419.045(4)(a)2. 2. For a wastewater tank equipped with an internal or external floating roof, visually inspect for and correct the following improper conditions:
NR 419.045(4)(a)2.a. a. An access door or other opening is left open when not in use.
NR 419.045(4)(a)2.b. b. The floating roof is not resting on either the surface of the liquid or on the leg supports.
NR 419.045(4)(a)2.c. c. There is stored liquid on the floating roof.
NR 419.045(4)(a)2.d. d. A rim seal is detached from the floating roof.
NR 419.045(4)(a)2.e. e. There are holes, tears, cracks, or gaps in the rim seal or seal fabric of the floating roof.
NR 419.045(4)(a)2.f. f. There are visible gaps between the seal of an internal floating roof and the wall of the wastewater tank.
NR 419.045(4)(a)2.g. g. Where a metallic shoe seal is used on an external floating roof, one end of the metallic shoe does not extend into the stored liquid or one end of the metallic shoe does not extend a minimum vertical distance of 61 centimeters above the surface of the stored liquid.
NR 419.045(4)(a)2.h. h. A gasket, joint, lid, cover, or door has a crack or gap, or is broken.
NR 419.045(4)(a)3. 3. For a surface impoundment, visually inspect the cover and all openings for leaks, except for a cover and closed vent system maintained under negative pressure, and take corrective action.
NR 419.045(4)(a)4. 4. For a surface impoundment, visually inspect for and correct the following improper conditions:
NR 419.045(4)(a)4.a. a. An access hatch or other opening is left open when not in use.
NR 419.045(4)(a)4.b. b. A joint, lid, cover, or door has a crack or gap, or is broken.
NR 419.045(4)(a)5. 5. For a portable container, visually inspect the cover and all openings for leaks and take corrective action.
NR 419.045(4)(a)6. 6. For a portable container that is located within an enclosure that is vented by means of a closed vent system to a control device, visually inspect the enclosure and closed vent system for leaks, except for an enclosure and closed vent system maintained under negative pressure, and take corrective action.
NR 419.045(4)(a)7. 7. For a portable container, visually inspect for and correct the following improper conditions:
NR 419.045(4)(a)7.a. a. An access hatch or other opening is left open when not in use.
NR 419.045(4)(a)7.b. b. A cover or door has a gap or crack, or is broken.
NR 419.045(4)(a)8. 8. For an individual drain system, visually inspect for and correct the following improper conditions:
NR 419.045(4)(a)8.a. a. A joint, lid, cover, or door has a gap, crack, or hole or is broken.
NR 419.045(4)(a)8.b. b. An access hatch or other opening is left open when not in use for sampling or removal, or for equipment inspection, maintenance, or repair.
NR 419.045(4)(a)8.c. c. Sufficient water is not present to properly maintain integrity of water seals.
NR 419.045(4)(a)8.d. d. Drains using tightly-fitted caps or plugs have caps and plugs that are not in place or not properly installed.
NR 419.045(4)(a)8.e. e. Junction boxes do not have covers in place or covers have visible gaps, cracks, or holes.
NR 419.045(4)(a)8.f. f. Unburied portion of sewer lines have cracks or gaps.
NR 419.045(4)(a)9. 9. For a junction box vented to a process or through a closed vent system to a control device, visually inspect for and correct leaks in the closed vent system.
NR 419.045(4)(a)10. 10. For oil-water separators, visually inspect fixed roof and all openings for leaks and take corrective action.
NR 419.045(4)(a)11. 11. For oil-water separators, visually inspect for and correct the following improper conditions:
NR 419.045(4)(a)11.a. a. An access door of other opening is left open when not in use, or not equipping the door or opening with a gasket.
NR 419.045(4)(a)11.b. b. The floating roof is not resting on either the surface of the liquid or on the leg supports.
NR 419.045(4)(a)11.c. c. There is stored liquid on the floating roof.
NR 419.045(4)(a)11.d. d. A rim seal is detached from the floating roof.
NR 419.045(4)(a)11.e. e. There are holes, tears, or other open spaces in the rim seal or seal fabric of the floating roof.
NR 419.045(4)(a)11.f. f. A gasket, joint, lid, cover, or door has a gap or crack, or is broken.
NR 419.045(4)(b) (b) For a wastewater tank or oil-water separator equipped with an external floating roof having primary and secondary seals used to comply with sub. (2) or (3), the secondary seal shall be inspected for seal gaps and repaired as follows:
NR 419.045(4)(b)1. 1. The secondary seal shall be measured for seal gaps annually and after repair as follows:
NR 419.045(4)(b)1.a. a. The width of any seal gap is the distance between the seal and the tank wall and shall be determined by using probes of various widths to accurately measure the actual distance from the seal to the tank wall.
NR 419.045(4)(b)1.b. b. The area of any seal gap shall be determined by multiplying the width of the seal gap, as determined in subd. 1. a., by the circumferential length of the gap.
NR 419.045(4)(b)1.c. c. The total seal gap area is the accumulated area of all gaps which are greater than 0.125 inch in width.
NR 419.045(4)(b)2. 2. The accumulated area of gaps that exceed 0.125 inch in width between the secondary seal and tank wall may not exceed 1.0 square inch per foot (21 square centimeters per meter) of tank diameter.
NR 419.045(4)(b)3. 3. If the seal gap requirement of subd. 2. is not being met, the secondary seal shall be repaired or replaced within 45 days after detection of the improper seal gap unless the repair or correction is technically infeasible without requiring a process unit shutdown, in which case the repair or correction shall be made at the next process unit shutdown.
NR 419.045(4)(c) (c) The following records shall be maintained on leaks, improper conditions, and improper seal gaps:
NR 419.045(4)(c)1. 1. The date on which a leak, improper condition, or improper seal gap is discovered.
NR 419.045(4)(c)2. 2. The date on which a first attempt at repair was made to correct the leak or improper condition.
NR 419.045(4)(c)3. 3. The date on which a leak, improper condition, or improper seal gap is repaired.
NR 419.045(4)(d)1.1. Monitors shall be installed and maintained to measure operational parameters of any emission control device or other device installed to comply with sub. (2) or (3). Monitoring parameters shall be sufficient to demonstrate proper functioning of the devices to design specifications. Except as provided in subd. 2., the following monitoring and data recording shall be performed as applicable:
NR 419.045(4)(d)1.a. a. For an enclosed non-catalytic combustion device, continuously monitor and record the temperature of the gas stream either in the combustion chamber or immediately downstream before any substantial heat exchange.
NR 419.045(4)(d)1.b. b. For a catalytic incinerator, continuously monitor and record the temperature of the gas stream immediately before and after the catalyst bed.
NR 419.045(4)(d)1.c. c. For a condenser, continuously monitor and record the temperature of the gas stream at the condenser exit.
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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.