NR 423.03(6)(a)1.1. Minimize entrance and exit openings during operation so that no opening dimension exceeds the smallest physically possible by more than 20 centimeters (8 inches) or by more than 20% of the opening dimension, whichever is smaller. NR 423.03(6)(a)2.a.a. A carbon adsorption system demonstrated to have at least a 95% control efficiency, as measured across the carbon adsorption equipment and averaged over a complete adsorption cycle. NR 423.03(6)(a)2.b.b. A system, demonstrated to have a control efficiency equivalent to or greater than that described in subd. 2. a., and approved by the department. NR 423.03(6)(a)3.3. Provide downtime covers for closing off the entrance and exit during shutdown hours. NR 423.03(6)(a)4.4. Place downtime covers over the entrances and exits of conveyorized non-vapor degreasers immediately after the conveyors and exhausts are shut down and not remove them until just before startup. NR 423.03(6)(a)5.b.b. Arranging parts for best drainage in mesh belt cleaning operations and other conveyorized non-vapor degreasing operations. NR 423.03(6)(a)6.6. Store waste solvent in covered containers and not dispose of waste solvents or transfer it to another person in such a way as to cause greater than 15% of the waste solvent, by weight, to evaporate into the ambient air during the ozone season. 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)1.1. This paragraph applies only to a facility which is in existence on September 1, 1994 and which: