NR 440.71(4)(b)1.f.f. For facilities subject to sub. (3) (c) 3., compliance is demonstrated if the value of E (control device efficiency) is greater than or equal to 0.95 and if the value of R is equal to or greater than the percent reduction demonstrated pursuant to par. (a) 3. or 93%, whichever is lower. NR 440.71(4)(b)2.2. To demonstrate compliance with sub. (3) (b), (c) 1. to 3. or (d), standards for coating operations, when the emissions from only an affected coating operation are controlled by a dedicated incinerator or when a common emission control device, other than a fixed-bed carbon adsorption system with individual exhaust stacks for each adsorber vessel, is used to control emissions from an affected coating operation as well as from other sources of VOC, each owner or operator of an affected coating operation shall perform a gaseous emission test using the following procedures: NR 440.71(4)(b)2.a.a. Construct the overall VOC emission reduction system so that all volumetric flow rates and total VOC emissions can be accurately determined by the applicable test methods and procedures specified in sub. (6) (b) to (g); NR 440.71(4)(b)2.b.b. Determine capture efficiency from the coating operation by capturing, venting and measuring all VOC emissions from the operation. During a performance test, the owner or operator of an affected coating operation located in an area with other sources of VOC shall isolate the coating operation emissions from all other sources of VOC by one of the following methods: 1) Build a temporary enclosure around the affected coating operation; or
NR 440.71 NoteNote: See sub. (2) (a) 16.
2) Shut down all other sources of VOC and continue to exhaust fugitive emissions from the affected coating operation through any building ventilation system and other room exhausts such as drying ovens. All ventilation air shall be vented through stacks suitable for testing;
NR 440.71(4)(b)2.c.c. Operate the emission control device with all emission sources connected and operating; NR 440.71(4)(b)2.d.d. Determine the efficiency (E) of the control device using the following equation: NR 440.71(4)(b)2.e.e. Determine the efficiency (F) of the VOC capture system using the following equation: NR 440.71(4)(b)2.f.f. For each affected coating operation subject to sub. (3) (b) or (d), compliance is demonstrated if the product of (E)× (F) is equal to or greater than 0.93. NR 440.71(4)(b)2.g.g. For each affected coating operation subject to sub. (3) (c) 2., compliance is demonstrated if the product of (E) × (F) is equal to or greater than the fractional reduction demonstrated pursuant to par. (a) 1. prior to modification or reconstruction or 0.93, whichever is lower. NR 440.71(4)(b)2.h.h. For each affected coating operation subject to sub. (3) (c) 3., compliance is demonstrated if the value of E is greater than or equal to 0.95 and if the product of (E) × (F) is equal to or greater than the fractional reduction demonstrated pursuant to par. (a) 3. or 0.93, whichever is lower. NR 440.71(4)(b)3.3. To demonstrate compliance with sub. (3) (b), (c) 1. to 3. or (d), standards for coating operations, when a fixed-bed carbon adsorption system with individual exhaust stacks for each adsorber vessel is used to control emissions from an affected coating operation as well as from other sources of VOC, each owner or operator of an affected coating operation shall perform a gaseous emission test using the following procedures: NR 440.71(4)(b)3.a.a. Construct the overall VOC emission reduction system so that each volumetric flow rate and the total VOC emissions can be accurately determined by the applicable test methods and procedures specified in sub. (6) (b) to (g); NR 440.71(4)(b)3.b.b. Assure that all VOC emissions from the coating operation are segregated from other VOC sources and that the emissions can be captured for measurement, as described in subd. 2. b. 1) and 2); NR 440.71(4)(b)3.c.c. Operate the emission control device with all emission sources connected and operating; NR 440.71(4)(b)3.d.d. Determine the efficiency (Hv) of each individual adsorber vessel (v) using the following equation: NR 440.71(4)(b)3.e.e. Determine the efficiency of the carbon adsorption system (Hsys) by computing the average efficiency of the adsorber vessels as weighted by the volumetric flow rate (Qhv) of each individual adsorber vessel (v) using the following equation: NR 440.71(4)(b)3.f.f. Determine the efficiency (F) of the VOC capture system using Equation (3). NR 440.71(4)(b)3.g.g. For the affected coating operation subject to sub. (3) (b) or (d), compliance is demonstrated if the product of (Hsys) × (F) is equal to or greater than 0.93. NR 440.71(4)(b)3.h.h. For the affected coating operation subject to sub. (3) (c) 2., compliance is demonstrated if the product of (Hsys) × (F) is equal to or greater than the fractional reduction demonstrated pursuant to par. (a) 1. prior to modification or reconstruction or 0.93, whichever is lower. NR 440.71(4)(b)3.i.i. For each affected coating operation subject to sub. (3) (c) 3., compliance is demonstrated if the value of Hsys is greater than or equal to 0.95 and if the product of (Hsys)× (F) is equal to or greater than the fractional reduction demonstrated pursuant to par. (a) 3. or 0.93, whichever is lower. NR 440.71(4)(b)4.4. To demonstrate compliance with sub. (3) (b), (c) 1. to 3. or (d), standards for coating operations, when the VOC emissions from more than one affected coating operation are collected by a common capture system and are vented through a common duct to a control device that is also controlling emissions from nonaffected sources and the emissions from the nonaffected sources are vented separately from the affected coating operations, the owner or operator may: NR 440.71(4)(b)4.a.a. Consider the combined affected coating operations as single emission source; and