Hi = Net heat of combustion of sample component i, kcal/9 mol at 25°C and 760 mm Hg. The heats of combustion may be determined using ASTM D 2382-83, incorporated by reference in s. NR 660.11, if published values are not available or cannot be calculated. NR 661.1033(5)(c)(c) The actual exit velocity of a flare shall be determined by dividing the volumetric flow rate, in units of standard temperature and pressure, as determined by Reference Methods 2, 2A, 2C or 2D in appendix A of 40 CFR part 60, incorporated by reference in s. NR 660.11, as appropriate, by the unobstructed, free, cross-sectional area of the flare tip. NR 661.1033(5)(d)(d) The maximum allowed velocity in m/s, Vmax, for a flare complying with sub. (4) (d) 3. shall be determined by the following equation: Where:
28.8 = Constant
31.7 = Constant
HT = The net heating value as determined in par. (b).
NR 661.1033(5)(e)(e) The maximum allowed velocity in m/s, Vmax, for an air-assisted flare shall be determined by the following equation: Where:
8.706 = Constant
0.7084 = Constant
HT = The net heating value as determined in par. (b).
NR 661.1033(6)(6) A remanufacturer or other person that stores or treats hazardous secondary material shall monitor and inspect each control device required to comply with this section to ensure proper operation and maintenance of the control device by implementing all of the following requirements: NR 661.1033(6)(a)(a) Install, calibrate, maintain, and operate according to the manufacturer’s specifications a flow indicator that provides a record of vent stream flow from each affected process vent to the control device at least once every hour. The flow indicator sensor shall be installed in the vent stream at the nearest feasible point to the control device inlet but before the point at which the vent streams are combined. NR 661.1033(6)(b)(b) Install, calibrate, maintain, and operate according to the manufacturer’s specifications a device to continuously monitor control device operation as specified below: NR 661.1033(6)(b)1.1. For a thermal vapor incinerator, a temperature monitoring device equipped with a continuous recorder. The device shall have an accuracy of ±1 percent of the temperature being monitored in °C or ±0.5 °C, whichever is greater. The temperature sensor shall be installed at a location in the combustion chamber downstream of the combustion zone. NR 661.1033(6)(b)2.2. For a catalytic vapor incinerator, a temperature monitoring device equipped with a continuous recorder. The device shall be capable of monitoring temperature at 2 locations and have an accuracy of ±1 percent of the temperature being monitored in °C or ±0.5 °C, whichever is greater. One temperature sensor shall be installed in the vent stream at the nearest feasible point to the catalyst bed inlet and a second temperature sensor shall be installed in the vent stream at the nearest feasible point to the catalyst bed outlet. NR 661.1033(6)(b)3.3. For a flare, a heat sensing monitoring device equipped with a continuous recorder that indicates the continuous ignition of the pilot flame. NR 661.1033(6)(b)4.4. For a boiler or process heater having a design heat input capacity less than 44 MW, a temperature monitoring device equipped with a continuous recorder. The device shall have an accuracy of ±1 percent of the temperature being monitored in °C or ±0.5 °C, whichever is greater. The temperature sensor shall be installed at a location in the furnace downstream of the combustion zone. NR 661.1033(6)(b)5.5. For a boiler or process heater having a design heat input capacity greater than or equal to 44 MW, a monitoring device equipped with a continuous recorder to measure a parameter that indicates good combustion operating practices are being used. NR 661.1033(6)(b)6.a.a. A monitoring device equipped with a continuous recorder to measure the concentration level of the organic compounds in the exhaust vent stream from the condenser. NR 661.1033(6)(b)6.b.b. A temperature monitoring device equipped with a continuous recorder. The device shall be capable of monitoring temperature with an accuracy of ±1 percent of the temperature being monitored in °C or ±0.5 °C, whichever is greater. The temperature sensor shall be installed at a location in the exhaust vent stream from the condenser exit or product side. NR 661.1033(6)(b)7.7. For a carbon adsorption system that regenerates the carbon bed directly in the control device such as a fixed-bed carbon adsorber, one of the following: NR 661.1033(6)(b)7.a.a. A monitoring device equipped with a continuous recorder to measure the concentration level of the organic compounds in the exhaust vent stream from the carbon bed. NR 661.1033(6)(b)7.b.b. A monitoring device equipped with a continuous recorder to measure a parameter that indicates the carbon bed is regenerated on a regular, predetermined time cycle. NR 661.1033(6)(c)(c) Inspect the readings from each monitoring device required under pars. (a) and (b) at least once each operating day to check control device operation and, if necessary, immediately implement the corrective measures necessary to ensure the control device operates in compliance with the requirements of this section. NR 661.1033(7)(7) A remanufacturer or other person that stores or treats hazardous secondary material in a hazardous secondary material management unit using a carbon adsorption system such as a fixed-bed carbon adsorber that regenerates the carbon bed directly on-site in the control device shall replace the existing carbon in the control device with fresh carbon at a regular, predetermined time interval that is no longer than the carbon service life established as a requirement under s. NR 661.1035 (2) (d) 3. f. NR 661.1033(8)(8) A remanufacturer or other person that stores or treats hazardous secondary material in a hazardous secondary material management unit using a carbon adsorption system such as a carbon canister that does not regenerate the carbon bed directly on-site in the control device shall replace the existing carbon in the control device with fresh carbon on a regular basis by using one of the following procedures: NR 661.1033(8)(a)(a) Monitor the concentration level of the organic compounds in the exhaust vent stream from the carbon adsorption system on a regular schedule and replace the existing carbon with fresh carbon immediately when carbon breakthrough is indicated. The monitoring frequency shall be daily or at an interval no greater than 20% of the time required to consume the total carbon working capacity established as a requirement under s. NR 661.1035 (2) (d) 3. g., whichever is longer. NR 661.1033(8)(b)(b) Replace the existing carbon with fresh carbon at a regular, predetermined time interval that is less than the design carbon replacement interval established as a requirement under s. NR 661.1035 (2) (d) 3. g. NR 661.1033(9)(9) An alternative operational or process parameter may be monitored if it can be demonstrated that another parameter will ensure that the control device is operated in conformance with these standards and the control device’s design specifications. NR 661.1033(10)(10) A remanufacturer or other person that stores or treats hazardous secondary material at an affected facility seeking to comply with the provisions of this chapter by using a control device other than a thermal vapor incinerator, catalytic vapor incinerator, flare, boiler, process heater, condenser, or carbon adsorption system is required to develop documentation including sufficient information to describe the control device operation and identify the process parameter or parameters that indicate proper operation and maintenance of the control device. NR 661.1033(11)(11) A closed-vent system shall meet one of the following design requirements: NR 661.1033(11)(a)(a) A closed-vent system shall be designed to operate with no detectable emissions, as indicated by an instrument reading of less than 500 ppmv above background as determined by the procedure specified in s. NR 661.1034 (2), and by visual inspections. NR 661.1033(11)(b)(b) A closed-vent system shall be designed to operate at a pressure below atmospheric pressure. The system shall be equipped with at least one pressure gauge or other pressure measurement device that can be read from a readily accessible location to verify that negative pressure is being maintained in the closed-vent system when the control device is operating. NR 661.1033(12)(12) A remanufacturer or other person that stores or treats hazardous secondary material shall monitor and inspect each closed-vent system required to comply with this section to ensure proper operation and maintenance of the closed-vent system by implementing all of the following requirements: NR 661.1033(12)(a)(a) Each closed-vent system that is used to comply with sub. (11) (a) shall be inspected and monitored in accordance with all of the following requirements: NR 661.1033(12)(a)1.1. An initial leak detection monitoring of the closed-vent system shall be conducted by the remanufacturer or other person that stores or treats the hazardous secondary material on or before the date that the system becomes subject to this section. The remanufacturer or other person that stores or treats the hazardous secondary material shall monitor the closed-vent system components and connections using the procedures specified in s. NR 661.1034 (2) to demonstrate that the closed-vent system operates with no detectable emissions, as indicated by an instrument reading of less than 500 ppmv above background. NR 661.1033(12)(a)2.2. After initial leak detection monitoring required in subd. 1., the remanufacturer or other person that stores or treats the hazardous secondary material shall inspect and monitor the closed-vent system as follows: NR 661.1033(12)(a)2.a.a. Closed-vent system joints, seams, or other connections that are permanently or semi-permanently sealed, such as a welded joint between 2 sections of hard piping or a bolted and gasketed ducting flange, shall be visually inspected at least once per year to check for defects that could result in air pollutant emissions. The remanufacturer or other person that stores or treats the hazardous secondary material shall monitor a component or connection using the procedures specified in s. NR 661.1034 (2) to demonstrate that it operates with no detectable emissions following any time the component is repaired or replaced, such as when a section of damaged hard piping is replaced with new hard piping, or the connection is unsealed, such as an unbolted flange. NR 661.1033(12)(a)2.b.b. Closed-vent system components or connections other than those specified in subd. 2. a. shall be monitored annually and at other times as requested by the department, except as provided for under sub. (15), using the procedures specified in s. NR 661.1034 (2) to demonstrate that the components or connections operate with no detectable emissions. NR 661.1033(12)(a)3.3. In the event that a defect or leak is detected, the remanufacturer or other person that stores or treats the hazardous secondary material shall repair the defect or leak in accordance with the requirements under par. (c). NR 661.1033(12)(a)4.4. The remanufacturer or other person that stores or treats the hazardous secondary material shall maintain a record of the inspection and monitoring in accordance with the requirements specified in s. NR 661.1035. NR 661.1033(12)(b)(b) Each closed-vent system that is used to comply with sub. (11) (b) shall be inspected and monitored in accordance with all of the following requirements: NR 661.1033(12)(b)1.1. The closed-vent system shall be visually inspected by the remanufacturer or other person that stores or treats the hazardous secondary material to check for defects that could result in air pollutant emissions. Defects include visible cracks, holes, or gaps in ductwork or piping or loose connections. NR 661.1033(12)(b)2.2. The remanufacturer or other person that stores or treats the hazardous secondary material shall perform an initial inspection of the closed-vent system on or before the date that the system becomes subject to this section. Thereafter, the remanufacturer or other person that stores or treats the hazardous secondary material shall perform the inspections at least once every year. NR 661.1033(12)(b)3.3. In the event that a defect or leak is detected, the remanufacturer or other person that stores or treats the hazardous secondary material shall repair the defect in accordance with the requirements under par. (c). NR 661.1033(12)(b)4.4. The remanufacturer or other person that stores or treats the hazardous secondary material shall maintain a record of the inspection and monitoring in accordance with the requirements specified in s. NR 661.1035. NR 661.1033(12)(c)(c) The remanufacturer or other person that stores or treats the hazardous secondary material shall repair all detected defects according to all of the following: NR 661.1033(12)(c)1.1. Detectable emissions, as indicated by visual inspection, or by an instrument reading greater than 500 ppmv above background, shall be controlled as soon as practicable, but not later than 15 calendar days after the emission is detected, except as specified in subd. 3. NR 661.1033(12)(c)2.2. A first attempt at repair shall be made no later than 5 calendar days after the emission is detected. NR 661.1033(12)(c)3.3. Delay of repair of a closed-vent system for which leaks have been detected is allowed if the repair is technically infeasible without a process unit shutdown, or if the remanufacturer or other person that stores or treats the hazardous secondary material determines that emissions resulting from immediate repair would be greater than the fugitive emissions likely to result from delay of repair. Repair of such equipment shall be completed by the end of the next process unit shutdown. NR 661.1033(12)(c)4.4. The remanufacturer or other person that stores or treats the hazardous secondary material shall maintain a record of the defect repair in accordance with the requirements specified in s. NR 661.1035. NR 661.1033(13)(13) Closed-vent systems and control devices used to comply with provisions of this subchapter shall be operated at all times when emissions may be vented to them. NR 661.1033(14)(14) An owner or operator using a carbon adsorption system to control air pollutant emissions shall document that all carbon that is a hazardous waste and that is removed from the control device is managed in one of the following manners, regardless of the average volatile organic concentration of the carbon: NR 661.1033(14)(a)(a) Regenerated or reactivated in a thermal treatment unit that meets one of the following: NR 661.1033(14)(a)2.2. The unit is equipped with and operating air emission controls in accordance with the applicable requirements specified in either subchs. AA and CC of this chapter or subchs. AA and CC of ch. NR 665. NR 661.1033(14)(b)(b) Incinerated in a hazardous waste incinerator for which any of the following conditions has been met: NR 661.1033(14)(c)(c) Burned in a boiler or industrial furnace for which any of the following conditions has been met: NR 661.1033(14)(c)2.2. The owner or operator has designed and operates the boiler or industrial furnace in accordance to the interim license requirements specified in subch. H of ch. NR 666. NR 661.1033(15)(15) Any components of a closed-vent system that are designated, as described in s. NR 661.1035 (3) (i), as unsafe to monitor are exempt from the requirements specified in sub. (12) (a) 2. b. if the remanufacturer or other person does all of the following: NR 661.1033(15)(a)(a) The remanufacturer or other person that stores or treats the hazardous secondary material in a hazardous secondary material management unit using a closed-vent system determines that the components of the closed-vent system are unsafe to monitor because monitoring personnel would be exposed to an immediate danger as a consequence of complying with sub. (12) (a) 2. b. NR 661.1033(15)(b)(b) The remanufacturer or other person that stores or treats the hazardous secondary material in a hazardous secondary material management unit using a closed-vent system adheres to a written plan that requires monitoring the closed-vent system components using the procedure specified in sub. (12) (a) 2. b. as frequently as practicable during safe-to-monitor times. NR 661.1033 HistoryHistory: CR 19-082: cr. Register August 2020 No. 776, eff. 9-1-20; renum. (1) (a) to (1) under s. 13.92 (4) (b) 7., Stats., and correction in (14) (a) 2., 3., (b) 2. made under s. 35.17, Stats., Register August 2020 No. 776; correction in (14) (a) 1., (b) 1. made under s. 13.92 (4) (b) 7., Stats., Register April 2021 No. 784. NR 661.1034(1)(1) A remanufacturer or other person that stores or treats hazardous secondary material subject to the provisions of this subchapter shall comply with the test methods and procedural requirements provided in this section. NR 661.1034(2)(2) When a closed-vent system is tested for compliance with no detectable emissions, as required under s. NR 661.1033 (12), the test shall comply with all of the following requirements: NR 661.1034(2)(c)(c) The instrument shall be calibrated before use on each day of its use by the procedures specified in Reference Method 21 in appendix A of 40 CFR part 60, incorporated by reference in s. NR 660.11. NR 661.1034(2)(d)2.2. A mixture of methane or n-hexane and air at a concentration of approximately, but less than, 10,000 ppm methane or n-hexane. NR 661.1034(2)(f)(f) The instrument probe shall be traversed around all potential leak interfaces as close to the interface as possible as described in Reference Method 21 in appendix A of 40 CFR part 60, incorporated by reference in s. NR 660.11. NR 661.1034(2)(g)(g) The arithmetic difference between the maximum concentration indicated by the instrument and the background level shall be compared with 500 ppm for determining compliance. NR 661.1034(3)(a)(a) Performance tests to determine total organic compound concentrations and mass flow rates entering and exiting control devices shall be conducted and data reduced in accordance with all of the following reference methods and calculation procedures: NR 661.1034(3)(a)2.2. Method 18 or Method 25A in appendix A of 40 CFR part 60, incorporated by reference in s. NR 660.11, for organic content. If Method 25A is used, the organic HAP used as the calibration gas shall be the single organic HAP representing the largest percent by volume of the emissions. The use of Method 25A is acceptable if the response from the high-level calibration gas is at least 20 times the standard deviation of the response from the zero calibration gas when the instrument is zeroed on the most sensitive scale. NR 661.1034(3)(a)3.3. Each performance test shall consist of 3 separate runs. Each run shall be conducted for at least 1 hour under the conditions that exist when the hazardous secondary material management unit is operating at the highest load or capacity level reasonably expected to occur. For the purpose of determining total organic compound concentrations and mass flow rates, the average of results of all runs shall apply. The average shall be computed on a time-weighted basis.
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Department of Natural Resources (NR)
Chs. NR 600-699; Environmental Protection – Hazardous Waste Management
administrativecode/NR 661.1033(7)
administrativecode/NR 661.1033(7)
section
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