NR 421.06(2)(e)3.3. Notwithstanding subd. 1., if less than or equal to 2% of the valves monitored pursuant to subd. 1. are found to leak for 5 consecutive quarters, monitoring of valves under subd. 1. will not be required for the following 3 consecutive quarters. Monitoring shall be conducted during the next quarter and every fourth quarter thereafter. If, during monitoring required under this subdivision, more than 2% of valves monitored are found to leak, quarterly monitoring under subd. 1. shall be reinstituted in the next quarter. NR 421.06(2)(f)(f) Check bimonthly by visual inspection each valve, pump, sealed agitator, compressor, flange, and relief valve for indications of dripping liquid. NR 421.06(2)(g)(g) Repair all leaks detected as soon as practicable, but not later than 15 calendar days after leak detection unless the repair is technically infeasible without a process unit shutdown. In the case of such infeasibility, repair shall occur before the end of the next process unit shutdown. NR 421.06(2)(h)(h) Document to the department all repairs of detectable leaks of VOCs for each calendar quarter. This documentation is to include a description of the equipment that caused the leak, date of detection, date of repair, date of follow-up inspection, and an explanation of what caused the leak. This documentation is to be submitted to the department within one month after the close of the calendar quarter during which the leaks were detected and repaired. NR 421.06(2m)(a)(a) Except as provided in par. (b), the owner or operator of a facility subject to this subsection shall use any of the following methods when cleaning mixing vats, high dispersion mills, grinding mills, tote tanks, and roller mills: NR 421.06(2m)(a)1.1. Use a solvent or solvent solution that either contains less than 0.20 kilograms of VOC per liter (1.67 pounds per gallon) or has a VOC composite partial vapor pressure of less than or equal to 8 mm of Hg at 20ºC. The solvent or solvent solution shall be collected and stored in closed containers. NR 421.06(2m)(a)2.b.b. Drain VOC-containing cleaning materials from the cleaned equipment upon completion of cleaning. NR 421.06(2m)(a)2.c.c. Store or dispose of VOC-containing cleaning materials, including waste solvent, in a manner that will prevent evaporation into the atmosphere. NR 421.06(2m)(a)3.3. Collect and vent the emissions from equipment cleaning to an emission control system that has an overall control efficiency of 80% or more on a mass basis. If incineration is used to control emissions, at least 90% of the organic carbon shall be oxidized to carbon dioxide. NR 421.06(2m)(a)4.4. Use no more than 228 liters (60 gallons) of virgin solvent per month. Solvent or solvent solution that is reused or recycled (either onsite or offsite), for further use in equipment cleaning or the manufacture of coating is not included in this limit. NR 421.06(2m)(b)(b) The owner or operator of a facility engaged in wipe cleaning using a solvent or solvent solution may not do either of the following: NR 421.06(2m)(b)1.1. Use open containers for the storage or disposal of cloth or paper impregnated with solvent or solvent solution that is used for cleanup, or coating removal. NR 421.06(2m)(b)2.2. Store solvent or solvent solutions for cleanup or coating removal in open containers. NR 421.06(3)(a)(a) Paragraph (b) applies only to a coatings manufacturing facility which is in existence on January 1, 1994 and which meets one of the following criteria: NR 421.06(3)(a)1.1. The facility is located in the county of Door, Kewaunee, Manitowoc, Sheboygan, or Walworth. NR 421.06(3)(a)2.2. The facility is located in the county of Kenosha, Milwaukee, Ozaukee, Racine, Washington, or Waukesha and was not subject to this section prior to January 1, 1994. NR 421.06(3)(b)1.1. Notify the department’s bureau of air management in writing by April 1, 1994. This notification shall provide the name and location of the affected facility and include VOC emission data if necessary to support eligibility under this subsection. NR 421.06(3)(b)2.2. Achieve final compliance with the requirements of this section no later than May 31, 1995. NR 421.06(3)(c)(c) The owner or operator of a coatings manufacturing facility subject to sub. (2m) shall achieve final compliance with sub. (2m) no later than February 1, 2013. NR 421.06(4)(a)(a) Except as provided in par. (c) and in addition to the applicable recordkeeping requirements in s. NR 439.04, the owner or operator of a synthetic resins manufacturing facility subject to sub. (2m) shall collect and record the following information, as applicable: NR 421.06(4)(b)(b) The owner or operator of a synthetic resins manufacturing facility shall maintain the information under par. (a) at the facility for a minimum of 5 years and shall make the information available to an authorized department representative at any time during normal working hours. NR 421.06(4)(c)(c) The provisions of par. (a) do not apply to solvent or solvent solution which is used to clean or flush a mill or vat during the manufacture of a synthetic resin and which is subsequently incorporated into the same batch. NR 421.06 HistoryHistory: Cr. Register, September, 1986, No. 369, eff. 10-1-86; am. (1) and (3) (c) 4., r. and recr. (2) (e), renum. (2) (f) to be (2) (h) and am., cr. (2) (f) and (g), r. (3) (c) 5., Register, February, 1990, No. 410, eff. 3-1-90; am. (1), cr. (1) (b), r. and recr. (3), Register, December, 1993, No. 456, eff. 1-1-94; am. (2) (e), cr. (2) (e) 3., Register, December, 1995, No. 480, eff. 1-1-96; am. (1) (b), (2) (a) (intro.), (3) (a), r. (2) (a) 1. to 3., Register, December, 1996, No. 492, eff. 1-1-97; am. (2) (e) 3., Register, October, 1999, No. 526, eff. 11-1-99; CR 11-005: am. (1) (a), (b) (intro.), (3) (a) (intro.), cr. (1) (c), (2m), (3) (c), (4) Register January 2012 No. 673, eff. 2-1-12. NR 421.07NR 421.07 Synthetic organic chemical manufacturing industry. NR 421.07(1)(a)(a) This section applies to the owner or operator of any facility that is located in the county of Milwaukee, Waukesha, Washington, Ozaukee, Racine, Kenosha, or Sheboygan, and that operates an air oxidation unit, distillation operation, or reactor processes, as those activities are defined in ss. NR 440.675 (2) (c), 440.686 (2) (e), and 440.705 (2) (o), respectively, to produce any chemical as a product, coproduct, byproduct, or intermediate that is identified as follows: NR 421.07(1)(a)1.1. For any reactor process or distillation operation, any chemical listed in Table A-1 of Appendix A of Control of Volatile Organic Compound Emissions from Reactor Processes and Distillation Operations Processes in the Synthetic Organic Chemical Manufacturing Industry, EPA-450/4-91-031, incorporated by reference in s. NR 484.06 (4) (g), for which an x appears in the column titled Reactor and distillation CTG. NR 421.07(2)(a)(a) Unless exempt under par. (b), the owner or operator of a facility operating air oxidation unit processes subject to this section shall comply with the requirements of s. NR 440.675, subject to the following exceptions: NR 421.07(2)(a)3.3. Notwithstanding s. NR 440.675 (6) (a), each owner or operator subject to this section shall notify the department how the facility will comply with the specific provisions of s. NR 440.675 (3) no later than June 1, 2010 or no later than 60 days after becoming subject to this section, whichever is later. NR 421.07(3)(a)(a) Unless exempt under par. (b), the owner or operator of a facility with distillation operations subject to this section shall comply with the requirements of s. NR 440.686, subject to the following exceptions: NR 421.07(3)(a)3.3. Notwithstanding s. NR 440.686 (6) (a), each owner or operator subject to this section shall notify the department how the facility will comply with the specific provisions of s. NR 440.686 (3) no later than June 1, 2010 or no later than 60 days after becoming subject to this section, whichever is later. NR 421.07(4)(a)(a) Unless exempt under par. (b), the owner or operator of a facility with reactor processes subject to this section shall comply with the requirements of s. NR 440.705, subject to the following exceptions: NR 421.07(4)(a)3.3. Notwithstanding s. NR 440.705 (6) (a), each owner or operator subject to this section shall notify the department how the facility will comply with the specific provisions of s. NR 440.705 (3) no later than June 1, 2010 or no later than 60 days after becoming subject to this section, whichever is later. NR 421.07(5)(5) Compliance emission testing. The owner or operator of a facility subject to this section shall conduct compliance emission testing in accordance with s. NR 439.075 (2) (c) 3. j. NR 421.07(6)(6) Delayed compliance. If the owner or operator of a facility employs a VOC emission control device that, on August 1, 2009 does not achieve compliance with an emission limitation in s. NR 440.675 (3), 440.686 (3), or 440.705 (3), applicable under this section, the owner or operator is not required to comply with the emission limitation until the control device is replaced for reasons other than compliance, including normal maintenance, malfunction, accident, and obsolescence. A control device is considered to be replaced when either of the following occur: NR 421.07(6)(b)(b) The cost of repair of the control device or the cost of replacement of part of the control device exceeds 50% of the cost of replacing the entire control device with a control device that is capable of complying with the respective requirement of s. NR 440.675 (3), 440.686 (3), or 440.705 (3). NR 421.07 HistoryHistory: CR 08-114: cr. Register July 2009 No. 643, eff. 8-1-09; correction in (4) (a) 1. made under s. 13.92 (4) (b) 7., Stats., Register July 2009 No. 643; CR 11-005: renum. (1) (a) to be (1) (a) (intro.) and am., cr. (1) (a) 1., 2., (3) (a) 5., (4) (a) 5., am. (5) Register January 2012 No. 673, eff. 2-1-12.
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