NR 440.56(2)(b)8.
8. D
wi 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. L
ci 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, V
oi or W
oi with a VOC density, D
oi, and a coating density, D
ci.
NR 440.56(2)(b)10.
10. L
di is the measured liquid volume of each VOC solvent (i) with corresponding density, D
di, added to dilute the ink used at the subject facility.
NR 440.56(2)(b)10m.
10m. L
gi is the measured liquid volume of each VOC solvent (i) with corresponding density, D
gi, used as a cleaning agent at the subject facility.
NR 440.56(2)(b)11.
11. M
ci 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. M
d 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. M
g 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. M
h 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. M
m 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. M
o 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. M
r is the total mass of VOC solvent recovered from the subject facility during one performance averaging period.
NR 440.56(2)(b)18.
18. M
t is the total mass of VOC solvent used at the subject facility during one performance averaging period.
NR 440.56(2)(b)19.
19. M
v 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. M
w 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. V
oi 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. V
wi 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. W
oi 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. W
wi 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)
(4) Performance test and compliance provisions. 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):
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
where:
m and n are the respective total numbers of VOC dilution and cleaning solvents measured as used by volume with different densities
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
where:
m is the total number of water dilution additions measured as used by volume with different densities
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)
(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 M
v 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.
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
where:
m and n are the respective total numbers of VOC dilution and cleaning solvents measured as used by volume with different densities
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)(d)
(d) If 2 or more affected facilities are controlled by the same solvent recovery system, compliance shall be determined by the procedures specified in
par. (b) or
(c), whichever applies, except that (L
t)
a and (L
r)
a, (M
t)
a, (M
r)
a and (M
v)
a are the collective amounts of VOC solvent and water corresponding to all the affected facilities controlled by that solvent recovery system. The average VOC emission percentage for each of the affected facilities controlled by that same solvent recovery system shall be assumed to be equal.
NR 440.56(4)(e)
(e) Except as provided under
par. (f), if an existing facility and an affected facility are controlled in common by the same solvent recovery system, the owner or operator shall determine compliance by conducting a separate emission test on the existing facility and then conducting a performance test on the combined facilities as follows:
NR 440.56(4)(e)1.
1. Before the initial startup of the affected facility and at any other time as requested by the department, the owner or operator shall conduct an emission test on the existing facility controlled by the subject solvent recovery system. The solvent recovery system may handle VOC emissions from only the existing facility not from affected facilities, during the emission test.
NR 440.56(4)(e)2.
2. During the emission test, the affected facility shall be subject to the standard stated in
sub. (3).
NR 440.56(4)(e)3.
3. The emission test shall be conducted over a 30 consecutive calendar day averaging period according to the conditions stipulated in
par. (a) 1. through
5., except that the conditions pertain to only existing facilities instead of affected facilities.
NR 440.56(4)(e)4.
4. The owner or operator of the existing facility shall provide the department at least 30 days prior notice of the emission test to afford the department the opportunity to have an observer present.
NR 440.56(4)(e)5.
5. The emission percentage for the existing facility during the emission test shall be determined by one of the following procedures:
NR 440.56(4)(e)5.a.
a. If the existing facility uses a combination of waterborne and solventborne ink systems, the average VOC emission percentage shall be determined on a direct mass basis according to
par. (b) or
(d), whichever applies, with the following equation: -
See PDF for diagram 
where the water and VOC solvent amounts pertain to only existing facilities.
