where:
-
See PDF for diagram 
is the sulfur oxides emission rate calculated as sulfur dioxide, kg/hr (lb/hr)
-
See PDF for diagram is the sulfur oxides emission concentration calculated as sulfur dioxide, g/dscm (gr/dscf)
Qsd is the dry volumetric stack gas flow rate corrected to standard conditions, dscm/hr (dscf/hr)
K is a conversion factor, 1,000 g/kg (7,000 gr/lb)
where:
-
See PDF for diagram is the sulfur oxides emissions calculated as kg sulfur dioxide per Mg (lb/ton) coke burn-off
-
See PDF for diagram is the sulfur oxides emission rate calculated as sulfur dioxide, kg/hr (lb/hr)
Rc is the coke burn-off rate, Mg/hr (ton/hr)
NR 440.26(7)(i)11.
11. Calculate the 7-day average sulfur oxides emission rate as sulfur dioxide per Mg (ton) of coke burn-off by dividing the sum of the individual daily rates by the number of daily rates summed.
NR 440.26(7)(i)12.
12. An owner or operator may, upon approval by the administrator, use an alternative method for determining compliance with
sub. (5) (b) 2., as provided in
s. NR 440.08 (2). Any requests for approval shall include data to demonstrate to the administrator that the alternative method would produce results adequate for the determination of compliance.
NR 440.26(7)(j)
(j) For the purpose of determining compliance with
sub. (5) (b) 3., the following analytical methods and calculation procedures shall be used:
NR 440.26(7)(j)1.
1. One fresh feed sample shall be collected once per 8-hour period.
NR 440.26(7)(j)2.
2. Fresh feed samples shall be analyzed separately by using any one of the following applicable analytical test methods: ASTM D129-00, ASTM D1552-01, ASTM D2622-98 or ASTM D1266-98. These methods are incorporated by reference in
s. NR 440.17 (2) (a) 8., 20., 34. and 18., respectively. The applicable range of some of these ASTM methods is not adequate to measure the levels of sulfur in some fresh feed samples. Dilution of samples prior to analysis with verification of the dilution ratio is acceptable upon prior approval of the department.
NR 440.26(7)(j)3.
3. If a fresh feed sample cannot be collected at a single location, then the fresh feed sulfur content shall be determined as follows:
NR 440.26(7)(j)3.a.
a. Individual samples shall be collected once per 8-hour period for each separate fresh feed stream charged directly into the riser or reactor of the fluid catalytic cracking unit. For each sample location the fresh feed volumetric flow rate at the time of collecting the fresh feed sample shall be measured and recorded. The same method for measuring volumetric flow rate shall be used at all locations.
NR 440.26(7)(j)3.b.
b. Each fresh feed sample shall be analyzed separately using the methods specified under
subd. 2.
where:
Sf is the fresh feed sulfur content expressed in percent by weight of fresh feed
n is the number of separate fresh feed streams charged directly to the riser or reactor of the fluid catalytic cracking unit
Qf is the total volumetric flow rate of fresh feed charged to the fluid catalytic cracking unit
Si is the fresh feed sulfur content expressed in percent by weight of fresh feed for the “ith" sampling location
Qi is the volumetric flow rate of fresh feed stream for the “ith" sampling location
NR 440.26(7)(j)4.
4. Calculate a 7-day average (arithmetic mean) sulfur content of the fresh feed using all of the fresh feed sulfur content values obtained during 7 successive 24-hour periods.
NR 440.26(8)(a)(a) Each owner or operator subject to
sub. (5) (b) shall notify the department of the specific provisions of
sub. (5) (b) with which the owner or operator elects to comply. Notification shall be submitted with the notification of initial startup required by
s. NR 440.07 (1) (c). If an owner or operator elects at a later date to comply with an alternative provision of
sub. (5) (b), then the department shall be notified by the owner or operator in the report described in
par. (c).
NR 440.26(8)(b)
(b) Each owner or operator subject to
sub. (5) (b) shall record and maintain the following information:
NR 440.26(8)(b)1.a.
a. All data and calibrations from continuous monitoring systems located at the inlet and outlet to the control device, including the results of the daily drift tests and quarterly accuracy assessments required under Appendix F, Procedure 1 of
40 CFR part 60, incorporated by reference in
s. NR 440.17;
NR 440.26(8)(b)2.
2. If complying with
sub. (5) (b) 2., measurements obtained in the daily Method 8 testing, or those obtained by alternative measurement methods, if
sub. (7) (i) 12. applies.
NR 440.26(8)(c)
(c) Each owner or operator subject to
sub. (5) (b) shall submit a report except as provided by
par. (d). The following information shall be contained in the report:
NR 440.26(8)(c)1.a.
a. The average percent reduction and average concentration of sulfur dioxide on a dry, O
2-free basis in the gases discharged to the atmosphere from any fluid cracking unit catalyst regenerator for which the owner or operator seeks to comply with
sub. (5) (b) 1. is below 90% and above 50 ppmv, as measured by the continuous monitoring system prescribed under
sub. (6) (a) 8., or above 50 ppmv, as measured by the outlet continuous monitoring system prescribed under
sub. (6) (a) 9. The average percent reduction and average sulfur dioxide concentration shall be determined using the procedures specified under
sub. (7) (h);
NR 440.26(8)(c)1.b.
b. The average emission rate of sulfur dioxide in the gases discharged to the atmosphere from any fluid catalytic cracking unit catalyst regenerator for which the owner or operator seeks to comply with
sub. (5) (b) 2. exceeds 9.8 kg SO
x per 1,000 kg coke burn-off, as measured by the daily testing prescribed under
sub. (7) (i). The average emission rate shall be determined using the procedures specified under
sub. (7) (i); and
NR 440.26(8)(c)1.c.
c. The average sulfur content of the fresh feed for which the owner or operator seeks to comply with
sub. (5) (b) 3. exceeds 0.30% by weight. The fresh feed sulfur content, a 7-day rolling average, shall be determined using the procedures specified under
sub. (7) (j).
NR 440.26(8)(c)2.
2. Any 30-day period in which the minimum data requirements specified in
sub. (5) (d) are not obtained.
NR 440.26(8)(c)3.c.
c. Whether the exceedance was concurrent with a startup, shutdown or malfunction of the fluid catalytic cracking unit or control system; and
NR 440.26(8)(c)4.a.
a. The dates for which and brief explanations as to why fewer than 18 valid hours of data were obtained for the inlet continuous monitoring system;
NR 440.26(8)(c)4.b.
b. The dates for which and brief explanations as to why fewer than 18 valid hours of data were obtained for the outlet continuous monitoring system;
NR 440.26(8)(c)4.c.
c. Identification of times when hourly averages have been obtained based on manual sampling methods;
NR 440.26(8)(c)4.d.
d. Identification of the times when the pollutant concentration exceeded the full span of the continuous monitoring system;
NR 440.26(8)(c)4.e.
e. Description of any modifications to the continuous monitoring system that could affect the ability of the continuous monitoring system to comply with Performance Specification 2 or 3 of
40 CFR part 60, Appendix B, incorporated by reference in
s. NR 440.17; and
NR 440.26(8)(c)5.
5. If subject to
sub. (5) (b) 2., for each day in which a Method 8 sample result required by
sub. (7) (i) was not obtained, the date for which and brief explanation as to why a Method 8 sample result was not obtained, for approval by the department.
NR 440.26(8)(c)6.
6. If subject to
sub. (5) (b) 3., for each 8-hour period in which a feed sulfur measurement required by
sub. (7) (j) was not obtained, the date for which and brief explanation as to why a feed sulfur measurement was not obtained, for approval by the department.
NR 440.26(8)(d)
(d) For any periods for which sulfur dioxide or oxides emissions data are not available, the owner or operator of the affected facility shall submit a signed statement indicating if any changes were made in operation of the emission control system during the period of data unavailability which could affect the ability of the system to meet the applicable emission limit. Operations of the control system and affected facility during periods of data unavailability shall be compared with operation of the control system and affected facility before and following the period of data unavailability.
NR 440.26(8)(e)
(e) The owner or operator of an affected facility shall submit the reports required under this subsection to the department semiannually for each 6-month period. All semiannual reports shall be postmarked by the 30th day following the end of each 6-month period.
NR 440.26(8)(f)
(f) The owner or operator of the affected facility shall submit a signed statement certifying the accuracy and completeness of the information contained in the report.
NR 440.26(9)
(9) Performance test and compliance provisions. NR 440.26(9)(a)(a) Section NR 440.08 (4) shall apply to the initial performance test specified under
par. (c), but not to the daily performance tests required thereafter as specified in
par. (d).
Section NR 440.08 (6) does not apply when determining compliance with the standards specified under
sub. (5) (d).
Section NR 440.08 (6) does not apply when determining compliance with the standards specified under
sub. (5) (b). Performance tests conducted for the purpose of determining compliance under
sub. (5) (b) shall be conducted according to the applicable procedures specified under
sub. (7).
NR 440.26(9)(b)
(b) Owners or operators who seek to comply with
sub. (5) (b) 3. shall meet that standard at all times, including periods of startup, shutdown and malfunctions.
NR 440.26(9)(c)
(c) The initial performance test shall consist of the initial 7-day average calculated for compliance with
sub. (5) (b) 1.,
2. or
3.
NR 440.26(9)(d)
(d) After conducting the initial performance test prescribed under
s. NR 440.08, the owner or operator of a fluid catalytic cracking unit catalyst regenerator subject to
sub. (5) (b) shall conduct a performance test for each successive 24-hour period thereafter. The daily performance tests shall be conducted according to the appropriate procedures specified under
sub. (7). In the event that a sample collected under
sub. (7) (i) or
(j) is accidentally lost or conditions occur in which one of the samples is discontinued because of forced shutdown, failure of an irreplaceable portion of the sample train, extreme meteorological conditions or other circumstances beyond the owner or operators' control, compliance may be determined using available data for the 7-day period.
NR 440.26(9)(e)
(e) Each owner or operator subject to
sub. (5) (b) who has demonstrated compliance with one of the provisions of
sub. (5) (b) but at a later date seeks to comply with another of the provisions of
sub. (5) (b) shall begin conducting daily performance tests as specified under
par. (d) immediately upon electing to become subject to one of the other provisions of
sub. (5) (b). The owner or operator shall furnish the department with a written notification of the change in the semiannual report required by
sub. (8) (e).
NR 440.26 History
History: Cr.
Register, January, 1984, No. 337, eff. 2-1-84; am. (2) (intro.), (3) (a) 1., (6) (a) 2., (7) (a) 1. a. and 2., (d) (intro.) and 2.,
Register, September, 1990, No. 417, eff. 10-1-90; am. (1) (b), (6) (c) and (d), cr. (1) (c) to (e), (2) (c) to (f) and (q), (5) (b) to (d), (8) and (9), renum. (2) (c) to (L) to be (2) (g) to (p), r. and recr. (3) (a) (intro.), (4) to (6) (a), (e) and (7),
Register, July, 1993, No. 451, eff. 8-1-93
; am. (3) (a) (intro.), (4) (a), (5) (a) (intro.), December, 1995, No. 480, eff. 1-1-96
; corrections in (6) and (8) made under s. 13.93 (2m) (b) 7.,
Register, November, 1999, No. 527;
CR 06-109: am. (3) (a) 1., (5) (b) 1. and 2., (6) (a) 3. a. and c., 4. c., 5. a. and b., 6. a. and b. and 7. a., (c) and (d), (7) (b) 2., 3. a. and b. and 4., (f) 1. and 3., (g) and (i) 2. a., b. and c., 10. and 11., (j) 2., (8) (a), (c) (intro.) and 5. and 6. and (9) (e), renum. (6) (a) 8., 9. and 12. and (7) (e) to be (6) (a) 8. (intro.), 9. (intro.) and 12. (intro.) and (7) (e) 1. (intro.) and am., cr. (6) (a) 8. a. and b., 9. a. and b. and 12. a. and b., (7) (e) 1. a., b. and c. and 2. and (8) (e), r. and recr. (7) (b) 1. and (b) 3. (intro.), (c) 1. and (i) 9., r. (8) (d), renum. (8) (e) to be (8) (d) Register May 2008 No. 629, eff. 6-1-08. NR 440.27
NR 440.27 Storage vessels for petroleum liquids for which construction, reconstruction or modification commenced after June 11, 1973, and prior to May 19, 1978. NR 440.27(1)(1)
Applicability and designation of affected facility. NR 440.27(1)(a)(a) Except as provided in
par. (b), the affected facility to which this section applies is each storage vessel for petroleum liquids which has a storage capacity of greater than 151,416 liters (40,000 gallons).
NR 440.27(1)(b)
(b) This section does not apply to storage vessels for petroleum or condensate stored, processed or treated, or stored, processed and treated at a drilling and production facility prior to custody transfer.
NR 440.27(1)(c)
(c) Subject to the requirements of this section is any facility under
par. (a) which:
NR 440.27(1)(c)1.
1. Has a capacity greater than 151,416 liters (40,000 gallons), but not exceeding 246,052 liters (65,000 gallons), and commences construction or modification after March 8, 1974, and prior to May 19, 1978.
NR 440.27(1)(c)2.
2. Has a capacity greater than 246,052 liters (65,000 gallons) and commences construction or modification after June 11, 1973, and prior to May 19, 1978.
NR 440.27(2)
(2) Definitions. As used in this section, terms not defined in this subsection have the meanings given in
s. NR 440.02.
NR 440.27(2)(a)
(a) “Condensate" means hydrocarbon liquid separated from natural gas which condenses due to changes in the temperature or pressure, or both, and remains liquid at standard conditions.
NR 440.27(2)(b)
(b) “Custody transfer" means the transfer of produced petroleum or condensate, or both, after processing or treating, or both, in the producing operations, from storage tanks or automatic transfer facilities to pipelines or any other forms of transportation.
NR 440.27(2)(c)
(c) “Drilling and production facility" means all drilling and servicing equipment, wells, flow lines, separators, equipment, gathering lines, and auxiliary nontransportation-related equipment used in the production of petroleum but does not include natural gasoline plants.
NR 440.27(2)(d)
(d) “Floating roof" means a storage vessel cover consisting of a double deck, pontoon single deck, internal floating cover or covered floating roof, which rests upon and is supported by the petroleum liquid being contained, and is equipped with a closure seal or seals to close the space between the roof edge and tank wall.
NR 440.27(2)(e)
(e) “Hydrocarbon" means any organic compound consisting predominantly of carbon and hydrogen.
NR 440.27(2)(f)
(f) “Petroleum" means the crude oil removed from the earth and the oils derived from tar sands, shale and coal.
NR 440.27(2)(g)
(g) “Petroleum liquids" means petroleum, condensate, and any finished or intermediate products manufactured in a petroleum refinery but does not mean Nos. 2 through 6 fuel oils as specified in ASTM D396-98, gas turbine fuel oils Nos. 2-GT through 4-GT as specified in ASTM D2880-96, or diesel fuel oils Nos. 2-D and 4-D as specified in ASTM D975-98a. These 3 ASTM methods are incorporated by reference in
s. NR 440.17 (2) (a) 13., 36. and 14., respectively.
NR 440.27(2)(h)
(h) “Petroleum refinery" means each facility engaged in producing gasoline, kerosene, distillate fuel oils, residual fuel oils, lubricants, or other products through distillation of petroleum or through redistillation, cracking, extracting, or reforming of unfinished petroleum derivatives.
NR 440.27(2)(i)
(i) “Reid vapor pressure" is the absolute vapor pressure of volatile crude oil and volatile nonviscous petroleum liquids, except liquified petroleum gases, as determined by ASTM D323-94, incorporated by reference in
s. NR 440.17 (2) (a) 11.
NR 440.27(2)(j)
(j) “Storage vessel" means any tank, reservoir or container used for the storage of petroleum liquids, but does not include:
NR 440.27(2)(j)1.
1. Pressure vessels which are designed to operate in excess of 15 pounds per square inch gauge without emissions to the atmosphere except under emergency conditions.
NR 440.27(2)(j)3.
3. Underground tanks if the total volume of petroleum liquids added to and taken from a tank annually does not exceed twice the volume of the tank.
NR 440.27(2)(k)
(k) “True vapor pressure" means the equilibrium partial pressure exerted by a petroleum liquid as determined in accordance with methods described in American Petroleum Institute Publication 2517, Evaporation Loss from External Floating Roof Tanks, Second Edition, February 1980, incorporated by reference in
s. NR 440.17.
NR 440.27(2)(L)
(L) “Vapor recovery system" means a vapor gathering system capable of collecting all hydrocarbon vapors and gases discharged from the storage vessel and a vapor disposal system capable of processing such hydrocarbon vapors and gases so as to prevent their emission to the atmosphere.
