NR 423.03(6)(a)7. 7. Repair solvent leaks immediately, or shut down the degreaser and drain it of all solvent until the leaks are repaired.

NR 423.03(6)(a)8. 8. Minimize entrance and exit openings during operation so that no opening dimension exceeds the smallest physically possible by more than 10 centimeters (4 inches) or by more than 10% of the opening dimension, whichever is smaller.

NR 423.03(6)(a)9. 9. Provide a permanent, conspicuous label, summarizing the operating procedures of subds. 4. to 7., and provide supervision or instruction adequate to ensure that the procedures are followed.

NR 423.03(6)(b) (b) Compliance schedule. The owner or operator of a conveyorized non-vapor degreaser subject to the control requirements of par. (a) 2. shall achieve final compliance on or before May 1, 1988.

NR 423.03(7) (7) Wipe cleaning. Except as provided under sub. (2) (b), (g), and (h), the owner or operator of a wipe cleaning operation shall do all of the following:

NR 423.03(7)(a) (a) Immediately after use, place all rags, or any other porous materials used to apply solvent, in a covered container that is labeled as waste solvent, and handled in accordance with local, state and federal regulations.

NR 423.03(7)(b) (b) Store waste solvent only in covered containers labeled as waste solvent and handled in accordance with local, state and federal regulations.

NR 423.03(7)(c) (c) Follow operating procedures which prevent solvent from dripping from the applicator during solvent application.

NR 423.03(7)(d) (d) Install and operate one of the following emission control systems:

NR 423.03(7)(d)1. 1. A vapor collection system that includes a carbon adsorption system demonstrated to have at least a 90% capture efficiency, and a 90% control efficiency as measured across the carbon adsorption equipment and averaged over a complete adsorption cycle.

NR 423.03(7)(d)2. 2. Use of a solvent with a volatility of less than 2 kPa (0.3 psia) measured at 38°C (100°F).

NR 423.03(7)(d)3. 3. A system demonstrated to have a control efficiency equivalent to or greater than that described in subd. 1. or 2. and approved by the department.

NR 423.03(7)(e) (e) Provide a permanent, conspicuous label, summarizing the operating procedures of pars. (a) to (c), and provide supervision or instruction adequate to ensure that the procedures of pars. (a) to (c) are followed.

NR 423.03(8) (8) Compliance schedule. This subsection applies only to facilities located in Kenosha, Kewaunee, Manitowoc, Milwaukee, Ozaukee, Racine, Sheboygan, Washington, and Waukesha counties.

NR 423.03(8)(a) (a) Previously regulated operations.

NR 423.03(8)(a)1. 1. This paragraph applies only to a facility which is in existence on September 1, 1994 and which:

NR 423.03(8)(a)1.a. a. Prior to September 1, 1994 was subject to all requirements of sub. (3), (4), (5), or (6).

NR 423.03(8)(a)1.b. b. Is subject to sub. (3) (h), (i), or (j), (4) (n) to (q), (5) (h), (i) or (j), or (6) (a) 8. or 9. as of September 1, 1994.

NR 423.03(8)(a)2. 2. The owner or operator of any source identified under subd. 1. shall:

NR 423.03(8)(a)2.a. a. Remain in compliance with all requirements of sub. (3), (4), (5), or (6) to which the owner or operator was subject prior to September 1, 1994.

NR 423.03(8)(a)2.b. b. Achieve final compliance with the requirements of sub. (3) (h), (i), or (j), (4) (n) to (q), (5) (h), (i), or (j), or (6) (a) 8. or 9. as soon as practicable, but no later than May 15, 1995.

NR 423.03(8)(b) (b) Previously exempt operations.

NR 423.03(8)(b)1. 1. This paragraph applies only to a facility which is in existence on September 1, 1994 and which is subject to requirements under sub. (3) (b) to (g), (4) (c), (5) (c), or (6) (a) 2. as of September 1, 1994 and which prior to September 1, 1994 was exempt from the requirements of sub. (3) (b) to (g) under sub. (2) (c), from the requirements of sub. (4) (c) under sub. (2) (d), from the requirements of sub. (5) (c) under sub. (2) (e), or from the requirements of sub. (6) (a) 2. under sub. (2) (f).

NR 423.03(8)(b)2. 2. The owner or operator of any source identified under subd. 1. shall achieve final compliance with the applicable requirements as soon as practicable, but no later than September 15, 1995.

NR 423.03(8)(c) (c) Wipe cleaning operations.

NR 423.03(8)(c)1. 1. This paragraph applies only to a facility which is in existence on September 1, 1994 and which is subject to the requirements of sub. (7) as of September 1, 1994.

NR 423.03(8)(c)2. 2. The owner or operator of any source identified under subd. 1. shall achieve final compliance with the requirements of sub. (7) as soon as practicable, but no later than May 15, 1996.

NR 423.03(9) (9) Equivalent control. Any equivalent control system approved by the department under sub. (3) (d) 3. or (j), (4) (c) 5. or (p), (5) (c) 3., (6) (a) 2. b., or (7) (d) 3. shall be submitted to, and will not become effective for federal purposes until approved by, the administrator as a source-specific revision to the department’s state implementation plan for ozone.

NR 423.03(10) (10) Recordkeeping. This subsection applies only to facilities located in Kenosha, Kewaunee, Manitowoc, Milwaukee, Ozaukee, Racine, Sheboygan, Washington, or Waukesha county. As of September 1, 1994, each owner or operator of a degreasing operation that is exempt from the requirements of subs. (3) to (7), under sub. (2) (c) to (g), shall collect and record the information specified in this paragraph, as appropriate to support the exemption. The following information shall be maintained on the facility premises for a minimum of 3 years and shall be made available upon request to an authorized department representative at any time during normal working hours: