(a) What emission limitations and work practice standards must I meet? You must:
(1) Meet each emission limitation in Table 1 of this subpart that applies to you. If your catalytic cracking unit is subject to the NSPS for PM in Sec. 60.102 of this chapter, you must meet the emission limitations for NSPS units. If your catalytic cracking unit isn't subject to the NSPS for PM, you can choose from the four options in paragraphs (a)(1)(i) through (iv) of this section:
(i) You can elect to comply with the NSPS requirements (Option 1);
(ii) You can elect to comply with the PM emission limit (Option 2);
(iii) You can elect to comply with the Nickel (Ni) lb/hr emission limit (Option 3); or
(iv) You can elect to comply with the Ni lb/1,000 lbs of coke burn-off emission limit (Option 4).
(2) Comply with each operating limit in Table 2 of this subpart that applies to you.
(3) Prepare an operation, maintenance, and monitoring plan according to the requirements in Sec. 63.1574(f) and operate at all times according to the procedures in the plan.
(4) The emission limitations and operating limits for metal HAP emissions from catalytic cracking units required in paragraphs (a)(1) and (2) of this section do not apply during periods of planned maintenance preapproved by the applicable permitting authority according to the requirements in Sec. 63.1575(j).
(b) How do I demonstrate initial compliance with the emission limitations and work practice standard? You must:
(1) Install, operate, and maintain a continuous monitoring system(s) according to the requirements in Sec. 63.1572 and Table 3 of this subpart.
(2) Conduct a performance test for each catalytic cracking unit not subject to the NSPS for PM according to the requirements in Sec. 63.1571 and under the conditions specified in Table 4 of this subpart.
(3) Establish each site-specific operating limit in Table 2 of this subpart that applies to you according to the procedures in Table 4 of this subpart.
(4) Use the procedures in paragraphs (b)(4)(i) through (iv) of this section to determine initial compliance with the emission limitations.
(i) If you elect Option 1 in paragraph (a)(1)(i) of ths section, the NSPS requirements, compute the PM emission rate (lb/1,000 lbs of coke burn-off) for each run using Equations 1, 2, and 3 (if applicable) of this section as follows:[GRAPHIC] [TIFF OMITTED] TR11AP02.000 Where: Rc = Coke burn-off rate, kg/hr (lb/hr);Qr = Volumetric flow rate of exhaust gas from catalyst
regenerator before adding air or gas streams. Example: You may
measure upstream or downstream of an electrostatic
precipitator, but you must measure upstream of a carbon
monoxide boiler, dscm/min (dscf/min). You may use the
alternative in either Sec. 63.1573(a)(1) or (a)(2), as
applicable, to calculate Qr;Qa = Volumetric flow rate of air to catalytic cracking unit
catalyst regenerator, as determined from instruments in the
catalytic cracking unit control room, dscm/min (dscf/min);%CO2 = Carbon dioxide concentration in regenerator exhaust,
percent by volume (dry basis);%CO = Carbon monoxide concentration in regenerator exhaust, percent by
volume (dry basis);%O2 = Oxygen concentration in regenerator exhaust, percent by
volume (dry basis);K1 = Material balance and conversion factor, 0.2982 (kg-min)/
(hr-dscm-%) (0.0186 (lb-min)/(hr-dscf-%));K2 = Material balance and conversion factor, 2.088 (kg-min)/
(hr-dscm) (0.1303 (lb-min)/(hr-dscf));K3 = Material balance and conversion factor, 0.0994 (kg-min)/
(hr-dscm-%) (0.0062 (lb-min)/(hr-dscf-%));Qoxy = Volumetric flow rate of oxygen-enriched air stream to
regenerator, as determined from instruments in the catalytic
cracking unit control room, dscm/min (dscf/min); and%Oxy = Oxygen concentration in oxygen-enriched air stream,
percent by volume (dry basis).
[GRAPHIC] [TIFF OMITTED] TR11AP02.001
Where: E = Emission rate of PM, kg/1,000 kg (lb/1,000 lb) of coke burn-off;Cs = Concentration of PM, g/dscm (lb/dscf);Qsd = Volumetric flow rate of the catalytic cracking unit
catalyst regenerator flue gas as measured by Method 2 in
appendix A to part 60 of this chapter, dscm/hr (dscf/hr);Rc = Coke burn-off rate, kg coke/hr (1,000 lb coke/hr); andK = Conversion factor, 1.0 (kg\2\/g)/(1,000 kg) (1,000 lb/(1,000 lb)).[GRAPHIC] [TIFF OMITTED] TR11AP02.002 Where: Es = Emission rate of PM allowed, kg/1,000 kg (1b/1,000 lb)
of coke burn-off in catalyst regenerator;1.0 = Emission limitation, kg coke/1,000 kg (lb coke/1,000 lb);A = Allowable incremental rate of PM emissions, 0.18 g/million cal (0.10
lb/million Btu); andH = Heat input rate from solid or liquid fossil fuel, million cal/hr
(million Btu/hr). Make sure your permitting authority approves
procedures for determining the heat input rate.Rc = Coke burn-off rate, kg coke/hr (1,000 lb coke/hr)
determined using Equation 1 of this section; andK' = Conversion factor to units to standard, 1.0 (kg\2\/g)/(1,000 kg)
(10\3\ lb/(1,000 lb)).
(ii) If you elect Option 2 in paragraph (a)(1)(ii) of this section, the PM emission limit, compute your PM emission rate (lb/1,000 lbs of coke burn-off) using Equations 1 and 2 of this section and your site-specific opacity operating limit (if you use a continuous opacity monitoring system) using Equation 4 of this section as follows:[GRAPHIC] [TIFF OMITTED] TR11AP02.003 Where: Opacity limit = Maximum permissible hourly average opacity, percent, or
10 percent, whichever is greater;Opacityst = Hourly average opacity measured during the source
test runs, percent; andPMEmRst = PM emission rate measured during the source test,
lb/1,000 lbs coke burn.
[GRAPHIC] [TIFF OMITTED] TR11AP02.004
(iii) If you elect Option 3 in paragraph (a)(1)(iii) of this section, the Ni lb/hr emission limit, compute your Ni emission rate using Equation 5 of this section and your site-specific Ni operating limit (if you use a continuous opacity monitoring system) using Equations 6 and 7 of this section as follows:Where: ENi1 = Mass emission rate of Ni, mg/hr (lb/hr); andCNi = Ni concentration in the catalytic cracking unit
catalyst regenerator flue gas as measured by Method 29 in
appendix A to part 60 of this chapter, mg/dscm (lbs/dscf).
[GRAPHIC] [TIFF OMITTED] TR11AP02.005
Where: Opacityl = Opacity value for use in Equation 7 of this
section, percent, or 10 percent, whichever is greater; andNiEmR1st = Average Ni emission rate calculated as the
arithmetic average Ni emission rate using Equation 5 of this
section for each of the performance test runs, g Ni/hr.
[GRAPHIC] [TIFF OMITTED] TR11AP02.006
Where: Ni operating limit1 = Maximum permissible hourly average Ni
operating limit, percent-acfm-ppmw, i.e., your site-specific
Ni operating limit;Qmon,st = Hourly average actual gas flow rate as measured by
the continuous parameter monitoring system during the
performance test or using the alternative procedure in Sec.
63.1573, acfm; andE-Catst = Ni concentration on equilibrium catalyst measured
during source test, ppmw.
(iv) If you elect Option 4 in paragraph (a)(1)(iv) of this section, the Ni lbs/1,000 lbs of coke burn-off emission limit, compute your Ni emission rate using Equations 1 and 8 of this section and your site-specific Ni operating limit (if you use a continuous opacity monitoring system) using Equations 9 and 10 of this section as follows:[GRAPHIC] [TIFF OMITTED] TR11AP02.007 Where: ENi2 = Normalized mass emission rate of Ni, mg/kg coke (lb/
1,000 lbs coke). [GRAPHIC] [TIFF OMITTED] TR11AP02.008 Where: Opacity2 = Opacity value for use in Equation 10 of this
section, percent, or 10 percent, whichever is greater; andNiEmR2st = Average Ni emission rate calculated as the
arithmetic average Ni emission rate using Equation 8 of this
section for each of the performance test runs, mg/kg coke.
[GRAPHIC] [TIFF OMITTED] TR11AP02.009
Where: Ni operating limit2 = Maximum permissible hourly average Ni
operating limit, percent-ppmw-acfm-hr/kg coke, i.e., your
site-specific Ni operating limit; andRc,st = Coke burn rate from Equation 1 of this section, as
measured during the initial performance test, kg coke/hr.
(5) Demonstrate initial compliance with each emission limitation that applies to you according to Table 5 of this subpart.
(6) Demonstrate initial compliance with the work practice standard in paragraph (a)(3) of this section by submitting your operation, maintenance, and monitoring plan to your permitting authority as part of your Notification of Compliance Status.
(7) Submit the Notification of Compliance Status containing the results of the initial compliance demonstration according to the requirements in Sec. 63.1574.
(c) How do I demonstrate continuous compliance with the emission limitations and work practice standards? You must:
(1) Demonstrate continuous compliance with each emission limitation in Tables 1 and 2 of this subpart that applies to you according to the methods specified in Tables 6 and 7 of this subpart.
(2) Demonstrate continuous compliance with the work practice standard in paragraph (a)(3) of this section by maintaining records to document conformance with the procedures in your operation, maintenance, and monitoring plan.
(3) If you use a continuous opacity monitoring system and elect to comply with Option 3 in paragraph (a)(1)(iii) of this section, determine continuous compliance with your site-specific Ni operating limit by using Equation 11 of this section as follows:[GRAPHIC] [TIFF OMITTED] TR11AP02.010 Where: Ni operating value1 = Maximum permissible hourly average Ni
standard operating value, %-acfm-ppmw;Opacity = Hourly average opacity, percent;Qmon = Hourly average actual gas flow rate as measured by
continuous parameter monitoring system or calculated by
alternative procedure in Sec. 63.1573, acfm; andE-Cat = Ni concentration on equilibrium catalyst from weekly or more
recent measurement, ppmw.
(4) If you use a continuous opacity monitoring system and elect to comply with Option 4 in paragraph (a)(1)(iv) of this section, determine continuous compliance with your site-specific Ni operating limit by using Equation 12 of this section as follows: [GRAPHIC] [TIFF OMITTED] TR11AP02.011 Where: Ni operating value2 = Maximum permissible hourly average Ni
standard operating value, percent-acfm-ppmw-hr/kg coke. [67 FR 17773, Apr. 11, 2002, as amended at 70 FR 6938, Feb. 9, 2005]