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Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. UUU, Tbl. 7 Table 7 to Subpart UUU of Part 63—Continuous Compliance With Operating Limits for Metal HAP Emissions From Catalytic Cracking Units

Current as of January 02, 2025 | Updated by Findlaw Staff

As stated in § 63.1564(c)(1), you shall meet each requirement in the following table that applies to you.

TABLE 7 TO SUBPART UUU OF PART 63—CONTINUOUS COMPLIANCE WITH OPERATING LIMITS FOR METAL HAP EMISSIONS FROM CATALYTIC CRACKING UNITS

For each new or existing catalytic cracking unit . . .

If you use . . .

For this operating limit . . .

1. Subject to NSPS for PM in 40 CFR 60.102 and not electing § 60.100(e)

Continuous opacity monitoring system

The 3-hour average opacity of emissions from your catalyst regenerator vent must not exceed 20 percent

2. Subject to NSPS for PM in 40 CFR 60.102a(b)(1); or 40 CFR 60.102 and elect § 60.100(e), electing to meet the PM per coke burn-off limit

a. Continuous opacity monitoring system, used for site-specific opacity limit—Cyclone or electrostatic precipitator

The average opacity must not exceed the opacity established during the performance test

b. Continuous parametric monitoring systems—electrostatic precipitator

i. The average gas flow rate entering or exiting the control device must not exceed the operating limit established during the performance test

ii. The average total power and secondary current to the control device must not fall below the operating limit established during the performance test

c. Continuous parametric monitoring systems—wet scrubber

i. The average liquid-to-gas ratio must not fall below the operating limit established during the performance test

ii. Except for periods of startup, shutdown and hot standby, the average pressure drop across the scrubber must not fall below the operating limit established during the performance test

d. BLD—fabric filter

Increases in relative particulate

3. Subject to NSPS for PM in 40 CFR 60.102a(b)(1), electing to meet the PM concentration limit

PM CEMS

Not applicable

4. Option 1a: Elect NSPS subpart J requirements for PM per coke burn-off limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1)

Continuous opacity monitoring system

The 3-hour average opacity of emissions from your catalyst regenerator vent must not exceed 20 percent

5. Option 1b: Elect NSPS subpart Ja requirements for PM per coke burn-off limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1)

a. Continuous opacity monitoring system

The opacity of emissions from your catalyst regenerator vent must not exceed the site-specific opacity operating limit established during the performance test

b. Continuous parametric monitoring systems—electrostatic precipitator

See item 2.b of this table

c. Continuous parametric monitoring systems—wet scrubber

See item 2.c of this table

d. BLD—fabric filter

See item 2.d of this table

6. Option 1c: Elect NSPS subpart Ja requirements for PM concentration limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1)

PM CEMS

Not applicable

7. Option 2: PM per coke burn-off limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1)

a. Continuous opacity monitoring system

The opacity of emissions from your catalyst regenerator vent must not exceed the site-specific opacity operating limit established during the performance test

b. Continuous parameter monitoring systems—electrostatic precipitator

i. The average coke burn-off rate or average gas flow rate entering or exiting the control device must not exceed the operating limit established during the performance test

ii. The average total power (voltage and current) and secondary current to the control device must not fall below the operating limit established during the performance test

c. Continuous parameter monitoring systems—wet scrubber

i. The average liquid-to-gas ratio must not fall below the operating limit established during the performance test

ii. Except for periods of startup, shutdown and hot standby, the average pressure drop across the scrubber must not fall below the operating limit established during the performance test

d. BLD—fabric filter

See item 2.d of this table

8. Option 3: Ni lb/hr limit not subject to the NSPS for PM in 40 CFR 60.102

a. Continuous opacity monitoring system

i. The daily average Ni operating value must not exceed the site-specific Ni operating limit established during the performance test

․

b. Continuous parameter monitoring systems—electrostatic precipitator

i. The average gas flow rate entering or exiting the control device must not exceed the operating limit established during the performance test

ii. The average total power (voltage and current) and secondary current must not fall below the level established in the performance test

iii. The monthly rolling average of the equilibrium catalyst Ni concentration must not exceed the level established during the performance test

c. Continuous parameter monitoring systems—wet scrubber

i. The average liquid-to-gas ratio must not fall below the operating limit established during the performance test.

ii. Except for periods of startup, shutdown and hot standby, the average pressure drop must not fall below the operating limit established in the performance test

iii. The monthly rolling average equilibrium catalyst Ni concentration must not exceed the level established during the performance test

d. BLD—fabric filter

i. Increases in relative particulate

ii. The monthly rolling average of the equilibrium catalyst Ni concentration must not exceed the level established during the performance test

9. Option 4: Ni per coke burn-off limit not subject to the NSPS for PM in 40 CFR 60.102

a. Continuous opacity monitoring system

i. The daily average Ni operating value must not exceed the site-specific Ni operating limit established during the performance test

․

b. Continuous parameter monitoring systems—electrostatic precipitator

i. The average gas flow rate to the control device must not exceed the level established in the performance test

ii. The average voltage and secondary current (or total power input) must not fall below the level established in the performance test

iii. The monthly rolling average equilibrium catalyst Ni concentration must not exceed the level established during the performance test

c. Continuous parameter monitoring systems—wet scrubber

i. The average liquid-to-gas ratio must not fall below the operating limit established during the performance test

ii. Except for periods of startup, shutdown and hot standby, the daily average pressure drop must not fall below the operating limit established in the performance test

iii. The monthly rolling average equilibrium catalyst Ni concentration must not exceed the level established during the performance test

d. BLD—fabric filter

i. See item 2.d of this table

ii. The monthly rolling average of the equilibrium catalyst Ni concentration must not exceed the level established during the performance test

10. During periods of startup, shutdown, or hot standby

Any control device, if elected

The inlet velocity limit to the primary internal cyclones of the catalytic cracking unit catalyst regenerator in § 63.1564(a)(5)(ii)

1 If applicable, you can use the alternative in § 63.1573(a)(1) for gas flow rate instead of a continuous parameter monitoring system if you used the alternative method in the initial performance test.

2 The equilibrium catalyst Ni concentration must be measured by the procedure, Determination of Metal Concentration on Catalyst Particles (Instrumental Analyzer Procedure) in appendix A to this subpart;  or by EPA Method 6010B, Inductively Coupled Plasma-Atomic Emission Spectrometry, EPA Method 6020, Inductively Coupled Plasma-Mass Spectrometry, EPA Method 7520, Nickel Atomic Absorption, Direct Aspiration, or EPA Method 7521, Nickel Atomic Absorption, Direct Aspiration;  or by an alternative to EPA Method 6010B, 6020, 7520, or 7521 satisfactory to the Administrator. The EPA Methods 6010B, 6020, 7520, and 7521 are included in “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods,” EPA Publication SW-846, Revision 5 (April 1998). The SW-846 and Updates (document number 955-001-00000-1) are available for purchase from the Superintendent of Documents, U.S. Government Publishing Office, Washington, DC 20402, (202) 512-1800;  and from the National Technical Information Services (NTIS), 5285 Port Royal Road, Springfield, VA 22161, (703) 487-4650. Copies may be inspected at the EPA Docket Center, William Jefferson Clinton (WJC) West Building (Air Docket), Room 3334, 1301 Constitution Ave. NW., Washington, DC;  or at the Office of the Federal Register, 800 North Capitol Street NW., Suite 700, Washington, DC. These methods are also available at http://www.epa.gov/epaoswer/hazwaste/test/main.htm.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 63, Subpt. UUU, Tbl. 7 Table 7 to Subpart UUU of Part 63—Continuous Compliance With Operating Limits for Metal HAP Emissions From Catalytic Cracking Units - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-pt-40-63-subpt-uuu-tbl-7/

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