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.
NR 440.56(4)(e)5.b.
b. If the existing facility uses only solventborne ink systems, the owner or operator may choose to determine the emission percentage either on a direct mass basis or a density-corrected liquid volume basis according to
par. (c) or
(d), whichever applies. On a direct mass basis, the average VOC emission percentage shall be determined by the equation presented in
subd. 5. a. On a density-corrected liquid volume basis, the average VOC emission percentage shall be determined by the following equation: -
See PDF for diagram
where the VOC solvent amounts pertain to only existing facilities.
NR 440.56(4)(e)6.
6. The owner or operator of the existing facility shall furnish the department with a written report of the results of the emission test.
NR 440.56(4)(e)7.
7. After completion of the separate emission test on the existing facility, the owner or operator shall conduct a performance test on the combined facilities with the solvent recovery system handling VOC emission from both the existing and affected facilities.
NR 440.56(4)(e)8.
8. During performance test, the emission percentage for the existing facility, P
e, shall be assumed to be equal to that determined in the latest emission test. The department may request additional emission tests if any physical or operational changes occur to the existing facility.
NR 440.56(4)(e)9.
9. The emission percentage for the affected facility during performance tests with both existing and affected facilities connected to the solvent recovery system shall be determined by one of the following procedures:
NR 440.56(4)(e)9.a.
a. If the combined facility uses both 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 (Mt)b and (Mr)b are the collective VOC solvent amounts pertaining to the combined facility.
NR 440.56(4)(e)9.b.
b. If the combined facility uses only solventborne ink systems, the owner or operator may choose to determine performance of the affected facility either on a direct mass basis or a density-corrected liquid volume basis according to
par. (c) or
(d), whichever applies. On a direct mass basis, the average VOC emission percentage shall be determined by the equation presented in
subd. 9. a. On a density-corrected liquid volume basis, the average VOC emission percentage shall be determined by the following equation: -
See PDF for diagram
where (Lt)b and (Lr)b are the collective VOC solvent amounts pertaining to the combined facility.
NR 440.56(4)(f)
(f) The owner or operator may choose to show compliance of the combined performance of existing and affected facilities controlled in common by the same solvent recovery system. A separate emission test for existing facilities is not required for this option. The combined performance shall be determined by one of the following procedures:
NR 440.56(4)(f)1.
1. If the combined facility uses both waterborne and solventborne ink systems, the combined 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
NR 440.56(4)(f)2.
2. If the combined facility uses only solventborne ink systems, the owner or operator may choose to determine performance either on a direct mass basis or a density-corrected liquid volume basis according to
par. (c) or
(d), whichever applies. On a direct mass, basis, the average VOC emission percentage shall be determined by the equation presented in
subd. 1. On a density-corrected liquid volume basis, the average VOC emission percentage shall be determined by the following equation: -
See PDF for diagram
NR 440.56(4)(g)
(g) If all existing and affected facilities located within the same plant boundary use waterborne ink systems or solventborne ink systems with solvent recovery systems, the owner or operator may choose to show compliance on a plantwide basis for all the existing and affected facilities together. No separate emission tests on existing facilities and no temporary segregated liquid measurement procedures for affected facilities are required for this option. The plantwide performance shall be determined by one of the following procedures:
NR 440.56(4)(g)1.
1. If any of the facilities use waterborne ink systems, the total plant average VOC emission percentage shall be determined on a direct mass basis according to
par. (b) with the following equation: -
See PDF for diagram
where (Mt)f and (Mv)f are the collective VOC solvent and water amounts used at all the plant facilities during the performance test.
NR 440.56(4)(g)2.
2. If all of the plant facilities use only solventborne ink systems, the owner or operator may choose to determine performance either on a direct mass basis or a density-corrected liquid volume basis according to
par. (c). On a direct mass basis, the total plant average VOC emission percentage shall be determined by the equation presented in
subd. 1. On a density-corrected liquid volume basis, the total plant average VOC emission percentage shall be determined by the following equation: -
See PDF for diagram
where (Lt)f is the collective VOC solvent amount used at all the plant facilities during the performance test.
NR 440.56(5)
(5) Monitoring of operations and recordkeeping. NR 440.56(5)(a)(a) After completion of the performance test required under
s. NR 440.08, the owner or operator of any affected facility using waterborne ink systems or solventborne ink systems with solvent recovery systems shall record the amount of solvent and water used, solvent recovered, and estimated emission percentage for each performance averaging period and shall maintain these records for 2 years. The emission percentage shall be estimated as follows:
NR 440.56(5)(a)1.
1. The performance averaging period for monitoring of proper operation and maintenance shall be a calendar month or 4 consecutive weeks, at the option of the owner or operator.
NR 440.56(5)(a)2.
2. If affected facilities share the same raw ink storage and handling system with existing facilities, solvent and water used, solvent recovered, and emission percentages for the combined facilities may be documented. Separate emission percentages for only the affected facilities are not required in this case. The combined emission percentage shall be compared to the overall average for the existing and affected facilities' emission percentage determined during the most recent performance test.
NR 440.56(5)(a)3.
3. Except as provided in
subd. 4., temperatures and liquid densities determined during the most recent performance test shall be used to calculate corrected volumes and mass quantities.
NR 440.56(5)(a)4.
4. The owner or operator may choose to measure temperatures for determination of actual liquid densities during each performance averaging period. A different base temperature may be used for each performance averaging period if desired by the owner or operator.
NR 440.56(5)(a)5.
5. The emission percentage shall be calculated according to the procedures under
sub. (4) (b) through
(g), whichever applies, or by a comparable calculation which compares the total solvent recovered to the total solvent used at the affected facility.
NR 440.56(6)(a)(a) The owner or operator of any affected facility using solventborne ink systems shall determine the VOC content of the raw inks and related coatings used at the affected facility by one of the following:
NR 440.56(6)(a)2.
2. Analysis using Method 24A of Appendix A of samples of each shipment of all purchased raw inks and related coatings.
NR 440.56(6)(a)3.
3. Determination of the VOC content from the formulation data supplied by the ink manufacturer with each shipment of raw inks and related coatings used.
NR 440.56(6)(b)
(b) The owner or operator of any affected facility using solventborne ink systems shall use the results of verification analyses by Method 24A of
40 CFR part 60, Appendix A, incorporated by reference in
s. NR 440.17 (1), to determine compliance when discrepancies with ink manufacturers' formulation data occur.
