6) For each run, “i", in which the ending weight fraction VOC in the material is less than 98.5% of the starting weight fraction VOC in the material, calculate the mass of the single VOC used (Mi) as follows:
a) Calculate the mass of VOC present in the direct supply reservoir and related application equipment at the start of the run by multiplying the mass of material in the direct supply reservoir and related application equipment at the start of the run by the starting weight fraction VOC in the material for that run.
b) Calculate the mass of VOC present in the direct supply reservoir and related application equipment at the end of the run by multiplying the mass of material in the direct supply reservoir and related application equipment at the end of the run by the ending weight fraction VOC in the material for that run. The mass of material in the direct supply reservoir and related application equipment at the end of the run shall be calculated by subtracting the mass of material used in the run from the mass of material in the direct supply reservoir and related application equipment at the start of the run.
c) The mass of the single VOC used (Mi) equals the mass of VOC present in the direct supply reservoir and related application equipment at the start of the run minus the mass of VOC present in the direct supply reservoir and related application equipment at the end of the run.
7) If Method 25A is used to determine the concentration of the single VOC in the capture system, then calculate the capture efficiency (FC
i) for each run, “i", as follows: -
See PDF for diagram 
where:
Ci is the average concentration of the single VOC in the capture system during run “i" (parts per million by volume) corrected for background VOC
NR 440.644 Note
Note:
See sub. (8) (a) 5.
W is the molecular weight of the single VOC, mg/mg-mole (lb/lb-mole)
V is the volume occupied by one mole of ideal gas at standard conditions (20°C, 760 mm Hg) on a wet basis, 2.405 x 10-5 m3/mg-mole (385.3 ft3/lb-mole)
Qi is the volumetric flow in in the capture system during run “i", on a wet basis, adjusted to standard conditions , m3 (ft3)
NR 440.644 Note
Note:
See sub. (8) (a) 5.
106 is the ppm per unity
Mi is the mass of the single VOC used during run “i", mg (lb)
8) If Method 25 is used to determine the concentration of the single VOC in the capture system, then calculate the capture efficiency (FC
i) for each run, “i", as follows: -
See PDF for diagram
where:
Ci is the average concentration of the single VOC in the capture system during run “i" (parts per million, as carbon, by volume) corrected for background VOC
NR 440.644 Note
Note:
See sub. (8) (a) 5.
W is the molecular weight of the single VOC, mg/mg-mole (lb/lb-mole)
V is the volume occupied by one mole of ideal gas at standard conditions (20°C, 760 mm Hg) on a wet basis, 2.405 x 10-5 m3/mg-mole (385.3 ft3/lb-mole)
Qi is the volumetric flow in the capture system during run“i", on a wet basis, adjusted to standard conditions, m
3 (ft3)
NR 440.644 Note
Note:
See sub. (8) (a) 5.
106 is the ppm per unity
Mi is the mass in mg of the single VOC used during run “i"
NC is the number of carbon atoms in one molecule of the single VOC
where:
“n" equals the number of runs made in the test (n u3). In cases where an alternative procedure in this paragraph is used, the requirements in par. (f) 2. b. and c. remain unchanged
NR 440.644(4)(g)
(g) For each undertread cementing operation, each sidewall cementing operation, each green tire spraying operation where organic solvent-based sprays are used, each Michelin-A operation, each Michelin-B operation, and each Michelin-C-automatic operation that use a VOC emission reduction system with a control device that destroys VOC (e.g., incinerator), the owner or operator shall use the following procedure to determine compliance with the percent emission reduction requirement specified under
sub. (3) (a) 1. a.,
2. a.,
6. a.,
7. b.,
8. a.,
9. a. and
10. a. For the initial performance test, the overall reduction efficiency (R) shall be determined as prescribed under
par. (f) 2. a. to
c. The performance test shall be repeated during conditions described under
par. (b) 2. No monthly performance tests are required.
NR 440.644(4)(h)
(h) For each tread end cementing operation and each bead cementing operation that uses a VOC emission reduction system with a control device that recovers VOC (e.g., carbon adsorber), the owner or operator shall use the following procedure to determine compliance with the emission limit specified under
sub. (3) (a) 3. and
4.
NR 440.644(4)(h)1.
1. Calculate the mass of VOC used per tire cemented at the affected facility for the month (G), as specified under
par. (d) 1. to
4., or the mass of VOC used per bead cemented at the affected facility for the month (G
b) as specified under
par. (e) 1. to
4.
NR 440.644(4)(h)2.
2. Calculate the total mass of VOC recovered from the affected facility for the month (M
r):
Mr = Lr Dr
NR 440.644(4)(i)
(i) For each undertread cementing operation, each sidewall cementing operation, each green tire spraying operation where organic solvent-based sprays are used, each Michelin-A operation, each Michelin-B operation, and each Michelin-C-automatic operation that use a VOC emission reduction system with a control device that recovers VOC (e.g., carbon adsorber), the owner or operator shall use the following procedure to determine compliance with the percent reduction requirement specified under
sub. (3) (a) 1. a.,
2. a.,
6. a.,
7. b.,
8. a.,
9. a. and
10. a.
NR 440.644(4)(i)2.
2. Calculate the total mass of VOC used at the affected facility for the month (M
o) as described under
par. (c) 2.
NR 440.644(4)(i)3.
3. Calculate the total mass of VOC recovered from the affected facility for the month (M
r) as described under
par. (h) 2.
NR 440.644(4)(i)4.
4. Calculate the overall reduction efficiency for the VOC emission reduction system (R) for the month as described under
par. (h) 3.
NR 440.644(4)(j)
(j) Rather than seeking to demonstrate compliance with the provisions of
sub. (3) (a) 1. a.,
2. a.,
6. a.,
7. b. or
9. a. using the performance test procedures described under
pars. (g) and
(i), an owner or operator of an undertread cementing operation, sidewall cementing operation, green tire spraying operation where organic solvent-based sprays are used, or Michelin-B operation that use a VOC emission reduction system, may seek to demonstrate compliance by meeting the equipment design and performance specifications listed under
subds. 1.,
2., and
4. to
6. or under
subds. 1. and
3. to
6. and by conducting a control device efficiency performance test to determine compliance as describe under
subd. 7. The owner or operator shall conduct this performance test of the control device efficiency no later than 180 days after initial startup of the affected facility, as specified under
s. NR 440.08 (1). Meeting the capture system design and performance specifications, in conjunction with operating a 95% efficient control device, is an acceptable means of demonstrating compliance with the standard. Therefore, the requirement for the initial performance test on the enclosure, as specified under
s. NR 440.08 (1), is waived. No monthly performance tests are required.
NR 440.644(4)(j)1.
1. For each undertread cementing operation, each sidewall cementing operation, and each Michelin-B operation, the cement application and drying area shall be contained in an enclosure that meets the criteria specified under
subds. 2.,
4. and
5. For each green tire spraying operation where organic solvent-based sprays are used, the spray application and drying area shall be contained in an enclosure that meets the criteria specified under
subds. 3.,
4. and
5.
NR 440.644(4)(j)2.
2. The drying area shall be enclosed between the application area and the water bath or to the extent necessary to contain all tire components for at least 30 seconds after cement application, whichever distance is less.
NR 440.644(4)(j)3.
3. Sprayed green tires shall remain in the enclosure for a minimum of 30 seconds after spray application.
NR 440.644(4)(j)4.
4. A minimum face velocity of 30.5 meters (100 feet) per minute shall be maintained continuously through each permanent opening into the enclosure when all temporary enclosure openings are closed. The cross-sectional area of each permanent opening shall be divided into at least 12 equal areas, and a velocity measurement shall be performed at the centroid of each equal area with an anemometer or similar velocity monitoring device; the face velocity of each permanent opening is the average value of the velocity measurements taken. The monitoring device shall be calibrated and operated according to the manufacturer's instructions. Temporary enclosure openings shall remain closed at all time except when worker access is necessary.
NR 440.644(4)(j)5.
5. The total area of all permanent openings into the enclosure may not exceed the area that would be necessary to maintain the VOC concentration of the exhaust gas stream at 25% of the lower explosive limit (LEL) under the following conditions:
NR 440.644(4)(j)5.b.
b. The face velocity through each permanent opening is 30.5 meters (100 feet) per minute.
NR 440.644(4)(j)6.
6. All captured VOC are ducted to a VOC emission control device that is operated on a continuous basis and that achieves at least a 95% destruction or recovery efficiency.
NR 440.644(4)(j)7.
7. The efficiency of the control device (E) for the initial performance test shall be determined by using values of the volumetric flow rate of each of the gas streams and the VOC content (as carbon) of each of the gas streams in and out of the control device as described under
par. (f) 2. b. The control device efficiency shall be redetermined during conditions specified under
par. (b) 3.
NR 440.644(4)(k)
(k) Each owner or operator of an affected facility who initially elected to be subject to the applicable percent emission reduction requirement specified under
sub. (3) (a) 1. a.,
2. a.,
6. a.,
7. b.,
8. a.,
9. a. or
10. a. and who later seeks to comply with the applicable total (uncontrolled) monthly VOC use limit specified under
sub. (3) (a) 1. b.,
2. b.,
6. b.,
7. b.,
8. b.,
9. b. or
10. b. shall demonstrate, using the procedures described under
par. (c), that the total VOC use at the affected facility has not exceeded the applicable total (uncontrolled) monthly VOC use limit during each of the last 6 months of operation. The owner or operator shall be subject to the applicable percent emission reduction requirement until the conditions of this paragraph and
sub. (7) (g) are satisfied.
NR 440.644(4)(L)
(L) In determining compliance for each undertread cementing operation, each sidewall cementing operation, each green tire spraying operation, each Michelin-A operation, each Michelin-B operation, and each Michelin-C-automatic operation, the owner or operator shall include all the VOC used, recovered, or destroyed from cements and organic solvent-based green tire sprays including those cements or sprays used for tires other than those defined under
sub. (2) (a).
NR 440.644(4)(m)
(m) In determining compliance for each tread end cementing operation, each bead cementing operation, and each green tire spraying operation, the owner or operator shall include only those tires defined under
sub. (2) (a) when determining T
o and B
o.
NR 440.644(4)(n)
(n) For each undertread cementing operation and each sidewall cementing operation that does not use a VOC emission reduction system, the owner or operator shall use the following procedure to determine compliance with the VOC emission per tire limit specified in
sub. (3) (b):
NR 440.644(4)(n)1.
1. Calculate the total mass of VOC (M
o) used at the affected facility for the month by the following procedure.
NR 440.644(4)(n)1.a.
a. For each affected facility for which cement is delivered in batch or via a distribution system which serves only that affected facility:
“n" equals the number of different cements or sprays used during the month
NR 440.644(4)(n)1.b.
b. For each affected facility for which cement is delivered via a common distribution system which also serves other affected or existing facilities:
1) Calculate the total mass (M) of VOC used for all of the facilities served by the common distribution system for the month: -
See PDF for diagram
where:
“n" equals the number of different cements or sprays used during the month
2) Determine the fraction (Fo) of “M" used by the affected facility by comparing the production records and process specifications for the material cemented at the affected facility for the month to the production records and process specifications for the material cemented at all other facilities served by the common distribution system for the month or by another procedure acceptable to the department.
3) Calculate the total monthly mass of VOC (Mo) used at the affected facility:
Mo = MFo
NR 440.644(4)(n)2.
2. Determine the total number of tires (T
o) processed at the affected facility for the month by the following procedure:
NR 440.644(4)(n)2.a.
a. For undertread cementing, T
o equals the number of tread or combined tread/sidewall components which receive an application of undertread cement.
NR 440.644(4)(n)2.b.
b. For sidewall cementing, T
o equals the number of sidewall components which receive an application of sidewall cement, divided by 2.
NR 440.644(4)(n)4.
4. Calculate the mass of VOC emitted per tire processed (N) for the affected facility for the month:
N = G
NR 440.644(4)(n)5.
5. Where the value of the mass of VOC emitted per tire processed (N) is less than or equal to the VOC emission per tire limit specified under
sub. (3) (b), the affected facility is in compliance.
NR 440.644(5)(a)(a) Each owner or operator subject to the provisions of this section shall install, calibrate, maintain, and operate according to manufacturer's specifications the following equipment, unless alternative monitoring procedures or requirements are approved for that facility by the department.
NR 440.644(5)(a)1.
1. Where a thermal incinerator is used for VOC emission reduction, a temperature monitoring device equipped with a continuous recorder for the temperature of the gas stream in the combustion zone of the incinerator. The temperature monitoring device shall have an accuracy of 1% of the temperature being measured in
°C or
"0.5
°C, whichever is greater.
NR 440.644(5)(a)2.
2. Where a catalytic incinerator is used for VOC emission reduction, temperature monitoring devices, each equipped with a continuous recorder, for the temperature in the gas stream immediately before and after the catalyst bed of the incinerator. The temperature monitoring devices shall have an accuracy of 1% of the temperature being measured in
°C or
"0.5
°C, whichever is greater. For an undertread cementing operation, sidewall cementing operation, green tire spraying operation where organic solvent-based sprays are used or Michelin-B operation where a carbon adsorber is used to meet the performance requirements specified under
sub. (4) (j) 6., an organics monitoring device used to indicate the concentration level or organic compounds based on a detection principle such as infrared, photoionization, or thermal conductivity, equipped with a continuous recorder, for the outlet of the carbon bed.
NR 440.644(5)(b)
(b) An owner or operator of an undertread cementing operation, sidewall cementing operation, green tire spraying operation where organic solvent-based sprays are used, or Michelin-B operation where a VOC recovery device other than a carbon adsorber is used to meet the performance requirement specified under
sub. (4) (j) 6. shall provide to the department information describing the operation of the control device and the process parameters which would indicate proper operation and maintenance of the device. The department may request further information and shall specify appropriate monitoring procedures or requirements.
NR 440.644(6)(a)(a) Each owner or operator of an affected facility that uses a thermal incinerator shall maintain continuous records of the temperature of the gas stream in the combustion zone of the incinerator and records of all 3-hour periods of operation for which the average temperature of the gas stream in the combustion zone was more than 28
°C (50
°F) below the combustion zone temperature measured during the most recent determination of the destruction efficiency of the thermal incinerator that demonstrated that the affected facility was in compliance.
NR 440.644(6)(b)
(b) Each owner or operator of an affected facility that uses a catalytic incinerator shall maintain all of the following:
NR 440.644(6)(b)1.
1. Continuous records of the temperature of the gas stream both upstream and downstream of the catalyst bed of the incinerator,
NR 440.644(6)(b)2.
2. Records of all 3-hour periods of operation of which the average temperature measured before the catalyst bed is more than 28
°C (50
°F) below the gas stream temperature measured before the catalyst bed during the most recent determination of destruction efficiency of the catalytic incinerator that demonstrated that the affected facility was in compliance.
NR 440.644(6)(b)3.
3. Records of all 3-hour periods for which the average temperature difference across the catalyst bed is less than 80% of the temperature difference measured during the most recent determination of the destruction efficiency of the catalytic incinerator that demonstrated that the affected facility was in compliance.
NR 440.644(6)(c)
(c) Each owner or operator of an undertread cementing operation, sidewall cementing operation, green tire spraying operation where organic solvent-based sprays are used, or Michelin-B operation that uses a carbon adsorber to meet the requirements specified under
sub. (4) (j) 6. shall maintain continuous records of all 3-hour periods of operation during which the average VOC concentration level or reading of organics in the exhaust gases is more than 20% greater than the exhaust gas concentration level or reading measured by the organics monitoring device during the most recent determination of the recovery efficiency of the carbon adsorber that demonstrated that the affected facility was in compliance.
NR 440.644(6)(d)
(d) Each owner or operator of an undertread cementing operation, sidewall cementing operation, green tires spraying operation where organic solvent-based sprays are used, Michelin-A operation, Michelin-B operation, or Michelin-C- automatic operation who seeks to comply with a specified VOC monthly usage limit shall maintain records of monthly VOC use and the number of days in each compliance period.
NR 440.644(6)(e)
(e) Each owner or operator that is required to conduct monthly performance tests, as specified under
sub. (4) (b) 1., shall maintain records of the results of all monthly tests.
NR 440.644(6)(f)
(f) Each owner or operator of a tread end cementing operation and green tire spraying operation using water-based cements or sprays containing less than 1.0% by weight of VOC, as specified under
sub. (4) (b) 4., shall maintain records of formulation data or the results of Method 24 analysis conducted to verify the VOC content of the spray.
