NR 440.56(2)(a)15.15. “Waterborne ink systems” means ink and related coating mixtures whose volatile portion consists of a mixture of VOC solvent and more than 5 weight percent water, as applied to the gravure cylinder. NR 440.56(2)(b)1.1. DB is the density at the base temperature of VOC solvent used or recovered during one performance averaging period. NR 440.56(2)(b)2.2. Dci is the density of each color of raw ink and each related coating (i) used at the subject facility, at the coating temperature when the volume of coating used is measured. NR 440.56(2)(b)3.3. Ddi is the density of each VOC solvent (i) added to the ink for dilution at the subject facility, at the solvent temperature when the volume of solvent used is measured. NR 440.56(2)(b)4.4. Dgi is the density of each VOC solvent (i) used as a cleaning agent at the subject facility, at the solvent temperature when the volume of cleaning solvent used is measured. NR 440.56(2)(b)5.5. Dhi is the density of each quantity of water (i) added at the subject facility, for dilution of waterborne ink systems at the water temperature when the volume of dilution water used is measured. NR 440.56(2)(b)6.6. Dmi is the density of each quantity of VOC solvent and miscellaneous solventborne waste inks and waste VOC solvents (i) recovered from the subject facility, at the solvent temperature when the volume of solvent recovered is measured. NR 440.56(2)(b)7.7. Doi is the density of the VOC solvent contained in each raw ink and related coating (i) used at the subject facility, at the coating temperature when the volume of coating used is measured. NR 440.56(2)(b)8.8. Dwi is the density of the water contained in each waterborne raw ink and related coating (i) used at the subject facility, at the coating temperature when the volume of coating used is measured. NR 440.56(2)(b)9.9. Lci is the measured liquid volume of each color of raw ink and each related coating (i) used at the facility of a corresponding VOC content, Voi or Woi with a VOC density, Doi, and a coating density, Dci. NR 440.56(2)(b)10.10. Ldi is the measured liquid volume of each VOC solvent (i) with corresponding density, Ddi, added to dilute the ink used at the subject facility. NR 440.56(2)(b)10m.10m. Lgi is the measured liquid volume of each VOC solvent (i) with corresponding density, Dgi, used as a cleaning agent at the subject facility. NR 440.56(2)(b)11.11. Mci is the mass, determined by direct weighing, of each color of raw ink and each related coating (i) used at the subject facility. NR 440.56(2)(b)12.12. Md is the mass, determined by direct weighing, of VOC solvent added to dilute the ink used at the subject facility during one performance averaging period. NR 440.56(2)(b)13.13. Mg is the mass, determined by direct weighing, of VOC solvent used as a cleaning agent at the subject facility during one performance averaging period. NR 440.56(2)(b)14.14. Mh is the mass, determined by direct weighing, or water added for dilution with waterborne ink systems used at the subject facility during one performance averaging period. NR 440.56(2)(b)15.15. Mm is the mass, determined by direct weighing, of VOC solventborne waste inks and waste VOC solvents recovered from the subject facility during one performance averaging period. NR 440.56(2)(b)16.16. Mo is the total mass of VOC solvent contained in the raw inks and related coatings used at the subject facility during one performance averaging period. NR 440.56(2)(b)17.17. Mr is the total mass of VOC solvent recovered from the subject facility during one performance averaging period. NR 440.56(2)(b)18.18. Mt is the total mass of VOC solvent used at the subject facility during one performance averaging period. NR 440.56(2)(b)19.19. Mv is the total mass of water used with waterborne ink systems at the subject facility during one performance averaging period. NR 440.56(2)(b)20.20. Mw is the total mass of water contained in the waterborne raw inks and related coatings used at the subject facility during one performance averaging period. NR 440.56(2)(b)21.21. P is the average VOC emission percentage for the subject facility for one performance averaging period. NR 440.56(2)(b)22.22. Voi is the liquid VOC content, expressed as a volume fraction of VOC volume per total volume of coating, of each color of raw ink and related coating (i) used at the subject facility. NR 440.56(2)(b)23.23. Vwi is the water content, expressed as a volume fraction of water volume per total volume of coating, or each color of waterborne raw ink and related coating (i) used at the subject facility. NR 440.56(2)(b)24.24. Woi is the VOC content, expressed as a weight fraction of mass of VOC per total mass of coating, or each color of raw ink and related coating (i) used at the subject facility. NR 440.56(2)(b)25.25. Wwi is the water content, expressed as a weight fraction of mass of water per total mass of coating, of each color of waterborne raw ink and related coating (i) used at the subject facility. NR 440.56(2)(c)(c) The following subscripts are used in this section with the symbols in par. (b) to denote the applicable facility: NR 440.56(2)(c)2.2. b denotes both affected and existing facilities controlled in common by the same air pollution control equipment. NR 440.56(2)(c)4.4. f denotes all affected and existing facilities located within the same plant boundary. NR 440.56(3)(3) Standard for volatile organic compounds. During the period of the performance test required to be conducted by s. NR 440.08 and after the date required for completion of the test, no owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any affected facility VOC equal to more than 16% of the total mass of VOC solvent and water used at that facility during any one performance averaging period. The water used includes only that water contained in the waterborne raw inks and related coatings and the water added for dilution with waterborne ink systems. NR 440.56(4)(a)(a) The owner or operator of any affected facility shall conduct performance tests in accordance with s. NR 440.08 under the following conditions: NR 440.56(4)(a)1.1. The performance averaging period for each test shall be 30 consecutive calendar days and not an average of 3 separate runs as prescribed under s. NR 440.08 (6). NR 440.56(4)(a)2.2. Except as provided under pars. (f) and (g), if affected facilities routinely share the same raw ink storage and handling system with existing facilities, then temporary measurement procedures for segregating the raw inks, related coatings, VOC solvent and water used at the affected facilities shall be employed during the test. For this case, an overall emission percentage for the combined facilities as well as for only the affected facilities shall be calculated during the test. NR 440.56(4)(a)3.3. For the purpose of measuring bulk storage tank quantities of each color of raw ink and each related coating used, the owner or operator of any affected facility shall install, calibrate, maintain and continuously operate during the test one or more of the following: NR 440.56(4)(a)3.a.a. Non-resettable totalizer metering devices for indicating the cumulative liquid volumes used at each affected facility; or NR 440.56(4)(a)3.b.b. Segregated storage tanks for each affected facility to allow determination of the liquid quantities used by measuring devices other than the press meters required under subd. 3. a.; or NR 440.56(4)(a)3.c.c. Storage tanks to serve more than one facility with the liquid quantities used determined by measuring devices other than press meters, if facilities are combined as described under par. (d), (f) or (g). NR 440.56(4)(a)4.4. The owner or operator may choose to install an automatic temperature compensator with any liquid metering device used to measure the raw inks, related coatings, water, or VOC solvent used or VOC solvent recovered. NR 440.56(4)(a)5.5. Records of the measured amounts used at the affected facility and the liquid temperature at which the amounts were measured shall be maintained for each shipment of all purchased material on at least a weekly basis for all of the following: NR 440.56(4)(a)5.b.b. The VOC and water content of each raw ink and related coating used as determined according to sub. (6). NR 440.56(4)(a)6.6. The density variations with temperature of the raw inks, related coatings, VOC solvents used, and VOC solvent recovered shall be determined by the methods stipulated in sub. (6) (d). NR 440.56(4)(a)7.7. The calculated emission percentage may be reported as rounded-off to the nearest whole number. NR 440.56(4)(a)8.8. Printing press startups and shutdowns may not be included in the exemption provisions under s. NR 440.08 (3). Frequent periods of press startups and shutdowns are normal operations and constitute representative conditions for the purpose of a performance test. NR 440.56(4)(b)(b) If an affected facility uses waterborne ink systems or a combination of waterborne and solventborne ink systems with a solvent recovery system, compliance shall be determined by the following procedures, except as provided in pars. (d) through (g): NR 440.56(4)(b)1.1. The mass of VOC in the solventborne and waterborne raw inks and related coatings used shall be determined by the following equation: where:
k is the total number of raw inks and related coatings measured as used in direct mass quantities with different amounts of VOC content
m is the total number of raw inks and related coatings measured as used by volume with different amounts of VOC content or different densities
n is the total number of raw inks and related coatings measured as used by volume with different amounts of VOC content or different VOC solvent densities
NR 440.56(4)(b)2.2. The total mass of VOC used shall be determined by the following equation: where:
m and n are the respective total numbers of VOC dilution and cleaning solvents measured as used by volume with different densities
NR 440.56(4)(b)3.3. The mass of water in the waterborne raw inks and related coatings used shall be determined by the following equation: where:
k is the total number of raw inks and related coatings measured as used in direct mass quantities with different amounts of water content
m is the total number of raw inks and related coatings measured as used by volume with different amounts of water content or different densities
n is the total number of raw inks and related coatings measured as used by volume with different amounts of water content or different water densities
NR 440.56(4)(b)4.4. The total mass of water used shall be determined by the following equation: where:
m is the total number of water dilution additions measured as used by volume with different densities
NR 440.56(4)(b)5.5. The total mass of VOC solvent recovered shall be determined by the following equation: where:
k is the total number of VOC solvents, miscellaneous solventborne waste inks, and waste VOC solvents measured as recovered by volume with different densities
NR 440.56(4)(b)6.6. The average VOC emission percentage for the affected facility shall be determined by the following equation: NR 440.56(4)(c)(c) If an affected facility controlled by a solvent recovery system uses only solventborne ink systems, the owner or operator may choose to determine compliance on a direct mass or a density-corrected liquid volume basis. Except as provided in pars. (d) through (g), compliance shall be determined as follows: NR 440.56(4)(c)1.1. On a direct mass basis, compliance shall be determined according to par. (b), except that the water term Mv does not apply. NR 440.56(4)(c)2.2. On a density-corrected liquid volume basis, compliance shall be determined by the following procedures: NR 440.56(4)(c)2.a.a. A base temperature corresponding to that for the largest individual amount of VOC solvent used or recovered from the affected facility, or other reference temperature, shall be chosen by the owner or operator. NR 440.56(4)(c)2.b.b. The corrected liquid volume of VOC in the raw inks and related coatings used shall be determined by the following equation: where:
k is the total number of raw inks and related coatings measured as used in direct mass quantities with different amounts of VOC content
m is the total number of raw inks and related coatings measured as used by volume with different amounts of VOC content or different densities
n is the total number of raw inks and related coatings measured as used by volume with different amounts of VOC content or different amounts of VOC content or different VOC solvent densities
NR 440.56(4)(c)2.c.c. The total corrected liquid volume of VOC used shall be determined by the following equation: where:
m and n are the respective total numbers of VOC dilution and cleaning solvents measured as used by volume with different densities
NR 440.56(4)(c)2.d.d. The total corrected liquid volume of VOC solvent recovered shall be determined by the following equation: where:
k is the total number of VOC solvents, miscellaneous solventborne waste inks, and waste VOC solvents measured as recovered by volume with different densities
NR 440.56(4)(c)2.e.e. The average VOC emission percentage for the affected facility shall be determined by the following equation:
