NR 440.688(4)(a)(a) The cost of replacement of ore-contact surfaces on processing equipment may not be considered in calculating either the “fixed capital cost of the new components" or the “fixed capital cost that would be required to construct a comparable new facility" under
s. NR 440.15. Ore-contact surfaces are crushing surfaces; screen meshes, bars, and plates; conveyor belts; and elevator buckets.
NR 440.688(4)(b)
(b) Under
s. NR 440.15, the “fixed capital cost of the new components" includes the fixed capital cost of all depreciable components (except components specified in
par. (a)) which are or will be replaced pursuant to all continuous programs of component replacement commenced within any 2-year period following August 31, 1983.
NR 440.688(5)
(5) Monitoring of operations. The owner or operator of any affected facility subject to the provisions of this section which uses a wet scrubber to control emissions shall install, calibrate, maintain and operate the following monitoring devices:
NR 440.688(5)(a)
(a) A device for the continuous measurement of the pressure loss of the gas stream through the scrubber. The monitoring device shall be certified by the manufacturer to be accurate within
" 250 pascals (
" 1 inch water) gauge pressure and shall be calibrated on an annual basis in accordance with manufacturer's instructions.
NR 440.688(5)(b)
(b) A device for the continuous measurement of the scrubbing liquid flow rate to the wet scrubber. The monitoring device shall be certified by the manufacturer to be accurate within
" 5% of design scrubbing liquid flow rate and shall be calibrated on an annual basis in accordance with manufacturer's instructions.
NR 440.688(6)(a)(a) In conducting the performance tests required in
s. NR 440.08, the owner or operator shall use as reference methods and procedures the test methods in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17, or other methods and procedures as specified in this subsection, except as provided in
s. NR 440.08 (2). Acceptable alternative methods and procedures are given in
par. (e).
NR 440.688(6)(b)
(b) The owner or operator shall determine compliance with the particulate matter standards in
sub. (3) (a) as follows:
NR 440.688(6)(b)1.
1. Method 5 or Method 17 shall be used to determine the particulate matter concentration. The sample volume shall be at least 1.70 dscm (60 dscf). For Method 5, if the gas stream being sampled is at ambient temperature, the sampling probe and filter may be operated without heaters. If the gas stream is above ambient temperature, the sampling probe and filter may be operated at a temperature high enough, but no higher than 121
°C (250
°F), to prevent water condensation on the filter.
NR 440.688(6)(c)1.1. In determining compliance with the particulate matter standards in
sub. (3) (b) and
(c), the owner or operator shall use Method 9 and the procedures in
s. NR 440.11, with the following additions:
NR 440.688(6)(c)1.a.
a. The minimum distance between the observer and the emission source shall be 4.57 meters (15 feet).
NR 440.688(6)(c)1.b.
b. The observer shall, when possible, select a position that minimizes interference from other fugitive emission sources, for example, road dust. The required observer position relative to the sun (Method 9,
Section 2.1) shall be followed.
NR 440.688(6)(c)1.c.
c. For affected facilities using wet dust suppression for particulate matter control, a visible mist is sometimes generated by the spray. The water mist may not be confused with particulate matter emissions and is not to be considered a visible emission. When a water mist of this nature is present, the observation of emission is to be made at a point in the plume where the mist is no longer visible.
NR 440.688(6)(c)2.
2. In determining compliance with the opacity of stack emissions from any baghouse that controls emissions only from an individual enclosed storage bin under
sub. (3) (f), using Method 9, the duration of Method 9 observations shall be one hour (10 6-minute averages).
NR 440.688(6)(c)3.
3. When determining compliance with the fugitive emission standard for any affected facility described under
sub. (3) (b), the duration of the Method 9 observations may be reduced from 3 hours (30 6-minute averages) to one hour (10 6-minute averages) only if both of the following conditions apply:
NR 440.688(6)(c)4.
4. When determining compliance with the fugitive emissions standard for any crusher at which a capture system is not used as described under
sub. (3) (c), the duration of the Method 9 observations may be reduced from 3 hours (30 6-minute averages) to one hour (10 6-minute averages) only if both of the following conditions apply:
NR 440.688(6)(d)
(d) In determining compliance with
sub. (3) (e), the owner or operator shall use Method 22 to determine fugitive emissions. The performance test shall be conducted while all affected facilities inside the building are operating. The performance test for each building shall be at least 75 minutes in duration, with each side of the building and the roof being observed for at least 15 minutes.
NR 440.688(6)(e)
(e) The owner or operator may use the following as alternatives to the reference methods and procedures specified in this subsection:
NR 440.688(6)(e)1.
1. For the method and procedure of
par. (c), if emissions from 2 or more facilities continuously interfere so that the opacity of fugitive emissions from an individual affected facility cannot be read, either of the following procedures may be used:
NR 440.688(6)(e)1.a.
a. Use for the combined emission stream the highest fugitive opacity standard applicable to any of the individual affected facilities contributing to the emission stream.
NR 440.688(6)(e)1.b.
b. Separate the emissions so that the opacity of emissions from each affected facility can be read.
NR 440.688(6)(f)
(f) To comply with
sub. (7) (d), the owner or operator shall record the measurements as required in
sub. (7) (c) using the monitoring devices in
sub. (5) (a) and
(b) during each particulate matter run and shall determine the averages.
NR 440.688(6)(g)
(g) If, after 30 days notice for an initially scheduled performance test, there is a delay (due to operational problems, etc.) in conducting any rescheduled performance test, the owner or operator of an affected facility shall submit a notice to the department at least 7 days prior to any rescheduled performance test.
NR 440.688(6)(h)1.
1. Wet screening operations and subsequent screening operations, bucket elevators and belt conveyors that process saturated material in the production line up to, but not including, the next crusher, grinding mill or storage bin.
NR 440.688(6)(h)2.
2. Screening operations, bucket elevators and belt conveyors in the production line downstream of wet mining operations, that process saturated materials up to the first crusher, grinding mill or storage bin in the production line.
NR 440.688(7)(a)(a) Each owner or operator seeking to comply with
sub. (1) (d) shall submit to the department the following information about the existing facility being replaced and the replacement piece of equipment.
NR 440.688(7)(a)1.
1. For a crusher, grinding mill, bucket elevator, bagging operation, or enclosed truck or railcar loading station, both of the following:
NR 440.688(7)(a)1.a.
a. The rated capacity in megagrams or tons per hour of the existing facility being replaced,.
NR 440.688(7)(a)1.b.
b. The rated capacity in megagrams or tons per hour of the replacement equipment.
NR 440.688(7)(a)2.a.
a. The total surface area of the top screen of the existing screening operation being replaced, and
NR 440.688(7)(a)2.b.
b. The total surface area of the top screen of the replacement screening operation.
NR 440.688(7)(a)4.a.
a. The rated capacity in megagrams or tons of the existing storage bin being replaced.
NR 440.688(7)(c)
(c) During the initial performance test of a wet scrubber, and daily thereafter, the owner or operator shall record the measurement of both the change in pressure of the gas stream across the scrubber and the scrubbing liquid flow rate.
NR 440.688(7)(d)
(d) After the initial performance test of a wet scrubber, the owner or operator shall submit semiannual reports to the department of occurrences when the measurements of the scrubber pressure loss (or gain) and liquid flow rate differ by more than
" 30% for the average determined during the most recent performance test.
NR 440.688(7)(e)
(e) The reports required under
par. (d) shall be postmarked within 30 days following end of the second and fourth calendar quarters.
NR 440.688(7)(f)
(f) The owner or operator of any affected facility shall submit written reports of the results of all performance tests conducted to demonstrate compliance with the standards set forth in
sub. (3) including reports of opacity observations made using Method 9,
40 CFR part 60, Appendix A, incorporated by reference in
s. NR 440.17 (1), to demonstrate compliance with
sub. (3) (b),
(c) and
(f) and reports of observations using Method 22,
40 CFR part 60, Appendix A, incorporated by reference in
s. NR 440.17 (1), to demonstrate compliance with
sub. (3) (e).
NR 440.688(7)(g)
(g) The owner or operator of any screening operation, bucket elevator or belt conveyor that processes saturated material and is subject to
sub. (3) (h) and subsequently processes unsaturated materials, shall submit a report of this change within 30 days following the change. The screening operation, bucket elevator or belt conveyor is then subject to the 10% opacity limit in
sub. (3) (b) and the emission test requirements of
s. NR 440.11. A screening operation, bucket elevator or belt conveyor that processes unsaturated material but subsequently processes saturated material shall submit a report of this change within 30 days following the change. The screening operation, bucket elevator or belt conveyor is then subject to the no-visible-emission limit in
sub. (3) (h).
NR 440.688(7)(i)
(i) A notification of the actual date of initial startup of each affected facility shall be submitted to the department.
NR 440.688(7)(i)1.
1. For a combination of affected facilities in a production line that begin actual initial startup on the same day, a single notification of startup may be submitted by the owner or operator to the department. The notification shall be postmarked within 15 days after the date and shall include a description of each affected facility, equipment manufacturer and serial number of the equipment, if available.
NR 440.688(7)(i)2.
2. For portable aggregate processing plants, the notification of the actual date of initial startup shall include both the home office and the current address or location of the portable plant.
NR 440.688 History
History: Cr.
Register, September, 1990, No. 417, eff. 10-1-90; am. (3) (d), (e) (intro.) and (7) (d), r. and recr. (6),
Register, July, 1993, No. 451, eff. 8-1-93;
CR 06-109: am. (1) (a) and (d) 2., (3) (a) (intro.) and 1., (b) and (c), (7) (a) (intro.), 1., and 4. a. and b. and (f), cr. (1) (am), (2) (ym) and (z), (3) (f) to (h), (6) (c) 2. to 4., (g) and (h), (7) (g) and (i), renum. (6) (c) (intro.), 1., 2. and 3. to be (6) (c) 1. (intro.), a., b. and c., r. (7) (b) Register May 2008 No. 629, eff. 6-1-08.
NR 440.69
NR 440.69 Wool fiberglass insulation manufacturing plants. NR 440.69(1)(1)
Applicability and designation of affected facility. NR 440.69(1)(a)(a) The affected facility to which the provisions of this section apply is each rotary spin wool fiberglass insulation manufacturing line.
NR 440.69(1)(b)
(b) The owner or operator of any facility under
par. (a) that commences construction, modification, or reconstruction after February 7, 1984, is subject to the requirements of this section.
NR 440.69(2)
(2) Definitions. As used in this section, terms not defined in this subsection have the meanings given in
s. NR 440.02.
NR 440.69(2)(a)
(a) “Glass pull rate" means the mass of molten glass utilized in the manufacture of wool fiberglass insulation at a single manufacturing line in a specified time period.
NR 440.69(2)(b)
(b) “Manufacturing line" means the manufacturing equipment comprising the forming section, where molten glass is fiberized and a fiberglass mat is formed; the curing section, where the binder resin in the mat is thermally “set" ; and the cooling section, where the mat is cooled.
NR 440.69(2)(c)
(c) “Rotary spin" means a process used to produce a wool fiberglass insulation by forcing molten glass through numerous small orifices in the side wall of a spinner to form continuous glass fibers that are then broken into discrete lengths by high velocity air flow.
NR 440.69(2)(d)
(d) “Wool fiberglass insulation" means a thermal insulation material composed of glass fibers and made from glass produced or melted at the same facility where the manufacturing line is located.
NR 440.69(3)
(3) Standard for particulate matter. On and after the date on which the performance test required to be conducted by
s. NR 440.18 is completed no owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any affected facility any gases which contain particulate matter in excess of 5.5 kg per Mg (11.0 lb/ton) of glass pulled.
NR 440.69(4)(a)(a) Any owner or operator subject to the provisions of this section who uses a wet scrubbing control device to comply with the mass emission standard shall install, calibrate, maintain and operate monitoring devices that measure the gas pressure drop across each scrubber and the scrubbing liquid flow rate to each scrubber. The pressure drop monitor is to be certified by its manufacturer to be accurate within plus or minus 250 pascals (
" 1 inch water gauge) over its operating range and the flow rate monitor is to be certified by its manufacturer to be accurate within
"5% over its operating range.
NR 440.69(4)(b)
(b) An owner or operator subject to the provisions of this section who uses a wet electrostatic precipitator control device to comply with the mass emission standard shall install, calibrate, maintain and operate monitoring devices that measure the primary and secondary current (amperes) and voltage in each electrical field and the inlet water flow rate. In addition the owner or operator shall determine the total residue (total solids) content of the water entering the control device once per day using Method 2450 B, “Total Solids Dried at 103-105
°C," in Standard Methods for the Examination of Water and Wastewater, 20th edition, 1998, incorporated by reference in
s. NR 440.17 (2) (e) 1. Total solids shall be reported as percent by weight. All monitoring devices required under this paragraph shall be certified by their manufacturers to be accurate within
" 5% over their operating range.
NR 440.69(4)(c)
(c) All monitoring devices required under this subsection are to be recalibrated quarterly in accordance with procedures under
s. NR 440.13 (2).
NR 440.69(5)(a)(a) At 30-minute intervals during each 2-hour test run of each performance test of a wet scrubber control device, and at least once every 4 hours thereafter, the owner or operator shall record the measurements required by
sub. (4) (a).
NR 440.69(5)(b)
(b) At 30-minute intervals during each 2-hour test run of each performance test of a wet electrostatic precipitator control device, and at least once every 4 hours thereafter, the owner or operator shall record the measurements required by
sub. (4) (b), except that the concentration of total residue in the water shall be recorded once during each performance test and once per day thereafter.
NR 440.69(5)(c)
(c) Records of the measurements required in
pars. (a) and
(b) must be retained for at least 2 years.
NR 440.69(5)(d)
(d) Each owner or operator shall submit written semiannual reports of exceedances of control device operating parameters required to be monitored by
pars. (a) and
(b) and written documentation of, and a report of corrective maintenance required as a result of, quarterly calibrations of the monitoring devices required in
sub. (4) (c). For the purpose of these reports exceedances are defined as any monitoring data that are less than 70% of the lowest values or greater than 130% of the highest value of each operating parameter recorded during the most recent performance test.
NR 440.69(6)(a)(a) In conducting the performance tests required in
s. NR 440.08, the owner or operator shall use as reference methods and procedures the test methods in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17, or other methods and procedures as specified in this subsection, except as provided in
s. NR 440.08 (2).
NR 440.69(6)(b)
(b) The owner or operator shall conduct performance tests while the product with the highest loss on ignition (LOI) expected to be produced by the affected facility is being manufactured.
NR 440.69(6)(c)
(c) The owner or operator shall determine compliance with the particulate matter standard in
sub. (3) as follows:
where:
E is the emission rate of particulate matter, kg/Mg (lb/ton)
Ct is the concentration of particulate matter, g/dscm (gr/dscf)
Qsd is the volumetric flow rate of effluent gas, dscm/hr (dscf/hr)
Pavg is the average glass pull rate, Mg/hr (ton/hr)
K is the conversion factor, 1000 g/kg (7,000 gr/lb)
NR 440.69(6)(c)2.
2. Method 5E shall be used to determine the particulate matter concentration (C
t) and the volumetric flow rate (Q
sd) of the effluent gas. The sampling time and sample volume shall be at least 120 minutes and 2.55 dscm (90.1 dscf).
NR 440.69(6)(c)3.
3. The average glass pull rate (P
avg) for the manufacturing line shall be the arithmetic average of 3 glass pull rate (P
i) determinations taken at intervals of at least 30 minutes during each run.
The individual glass pull rates (P
i) shall be computed using the following equation: -
See PDF for diagram 
