Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories |
Subpart CC - National Emission Standards for Hazardous Air Pollutants From Petroleum Refineries |
Appendix to Subpart CC to Part 63 - Tables
Latest version.
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Table 1.—Hazardous Air Pollutants Chemical name CAS No. a Benzene 71432 Biphenyl 92524 Butadiene (1,3) 10990 Carbon disulfide 75150 Carbonyl sulfide 463581 Cresol (mixed isomers b )1319773 Cresol (m-) 108394 Cresol (o-) 95487 Cresol (p-) 106445 Cumene 98828 Dibromoethane (1,2) (ethylene dibromide) 106934 Dichloroethane (1,2) 107062 Diethanolamine 111422 Ethylbenzene 100414 Ethylene glycol 107211 Hexane 110543 Methanol 67561 Methyl ethyl ketone (2-butanone) 78933 Methyl isobutyl ketone (hexone) 108101 Methyl tert butyl ether 1634044 Naphthalene 91203 Phenol 108952 Toluene 108883 Trimethylpentane (2,2,4) 540841 Xylene (mixed isomers b )1330207 xylene (m-) 108383 xylene (o-) 95476 xylene (p-) 106423 a CAS number = Chemical Abstract Service registry number assigned to specific compounds, isomers, or mixtures of compounds.b Isomer means all structural arrangements for the same number of atoms of each element and does not mean salts, esters, or derivatives.Table 2.—Leak Definitions for Pumps and Valves Standard a Phase Leak definition (parts per million) § 63.163 (pumps) I 10,000 II 5,000 III 2,000 § 63.168 (valves) I 10,000 II 1,000 III 1,000 a Subpart H of this part.Table 3.—Equipment Leak Recordkeeping and Reporting Requirements for Sources Complying With § 63.648 of Subpart CC by Compliance With Subpart H of this Part a Reference (section of subpart H of this part) Description Comment 63.181(a) Recordkeeping system requirements Except for §§ 63.181(b)(2)(iii) and 63.181(b)(9). 63.181(b) Records required for process unit equipment Except for §§ 63.181(b)(2)(iii) and 63.181(b)(9). 63.181(c) Visual inspection documentation Except for §§ 63.181(b)(2)(iii) and 63.181(b)(9). 63.181(d) Leak detection record requirements Except for § 63.181(d)(8). 63.181(e) Compliance requirements for pressure tests for batch product process equipment trains This subsection does not apply to subpart CC. 63.181(f) Compressor compliance test records. 63.181(g) Closed-vent systems and control device record requirements. 63.181(h) Process unit quality improvement program records. 63.181(i) Heavy liquid service determination record. 63.181(j) Equipment identification record. 63.181(k) Enclosed-vented process unit emission limitation record requirements. 63.182(a) Reports. 63.182(b) Initial notification report requirements. Not required. 63.182(c) Notification of compliance status report Except in § 63.182(c); change “within 90 days of the compliance dates” to “within 150 days of the compliance dates”; except in §§ 63.182 (c)(2) and (c)(4). 63.182(d) Periodic report Except for §§ 63.182 (d)(2)(vii), (d)(2)(viii), and (d)(3). a This table does not include all the requirements delineated under the referenced sections. See referenced sections for specific requirements.Table 4.—Gasoline Distribution Emission Point Recordkeeping and Reporting Requirements a Reference (section of subpart R of this part) Description Comment 63.428(b) Records of test results for each gasoline cargo tank loaded at the facility. 63.428(c) Continuous monitoring data recordkeeping requirements. 63.428(g)(1) Semiannual report loading rack information Required to be submitted with the periodic report required under 40 CFR part 63 subpart CC. 63.428 (h)(1) through (h)(3) Excess emissions report loading rack information Required to be submitted with the periodic report required under 40 CFR part 63 subpart CC. a This table does not include all the requirements delineated under the referenced sections. See referenced sections for specific requirements.Table 5.—Marine Vessel Loading and Unloading Operations Recordkeeping and Reporting Requirements a Reference (section of subpart Y of this part) Description Comment 63.565(a) Performance test/site test plan The information required under this paragraph is to be submitted with the notification of compliance status report required under 40 CFR part 63, subpart CC. 63.565(b) Performance test data requirements 63.567(a) General Provisions (subpart A) applicability 63.567(c) Vent system valve bypass recordkeeping requirements 63.567(d) Continuous equipment monitoring recordkeeping requirements 63.567(e) Flare recordkeeping requirements 63.567(f) Quarterly report requirements The information required under this paragraph is to be submitted with the periodic report required under 40 CFR part 63 subpart CC. 63.567(g) Marine vessel vapor-tightness documentation 63.567(h) Documentation file maintenance 63.567(i) Emission estimation reporting and recordkeeping procedures a This table does not include all the requirements delineated under the referenced sections. See referenced sections for specific requirements.Table 6.—General Provisions Applicability to Subpart CC a Reference Applies to subpart CC Comment 63.1(a)(1) Yes 63.1(a)(2) Yes 63.1(a)(3) Yes 63.1(a)(4) No Subpart CC (this table) specifies applicability of each paragraph in subpart A to subpart CC. 63.1(a)(5)-63.1(a)(9) No 63.1(a)(10) No Subpart CC and other cross-referenced subparts specify calendar or operating day. 63.1(a)(11) Yes 63.1(a)(12) Yes 63.1(a)(13) Yes 63.1(a)(14) Yes 63.1(b)(1) No Subpart CC specifies its own applicability. 63.1(b)(2) Yes 63.1(b)(3) No 63.1(c)(1) No Subpart CC explicitly specifies requirements that apply. 63.1(c)(2) No Area sources are not subject to subpart CC. 63.1(c)(3) No 63.1(c)(4) Yes 63.1(c)(5) Yes Except that sources are not required to submit notifications overridden by this table. 63.1(d) No 63.1(e) No 63.2 Yes § 63.641 of subpart CC specifies that if the same term is defined in subparts A and CC, it shall have the meaning given in subpart CC. 63.3 No Units of measure are spelled out in subpart CC. 63.4(a)(1)-63.4(a)(3) Yes 63.4(a)(4) No Reserved. 63.4(a)(5) Yes 63.4(b) Yes 63.4(c) Yes 63.5(a)(1) Yes Except replace term “source” and “stationary source” in § 63.5(a)(1) of subpart A with “affected source.” 63.5(a)(2) Yes 63.5(b)(1) Yes 63.5(b)(2) No Reserved. 63.5(b)(3) Yes 63.5(b)(4) Yes Except the cross-reference to § 63.9(b) is changed to § 63.9(b) (4) and (5). Subpart CC overrides § 63.9 (b)(2) and (b)(3). 63.5(b)(5) Yes 63.5(b)(6) Yes 63.5(c) No Reserved. 63.5(d)(1)(i) Yes Except that the application shall be submitted as soon as practicable before startup but no later than 90 days (rather than 60 days) after the promulgation date of subpart CC if the construction or reconstruction had commenced and initial startup had not occurred before the promulgation of subpart CC. 63.5(d)(1)(ii) Yes Except that for affected sources subject to subpart CC, emission estimates specified in § 63.5(d)(1)(ii)(H) are not required. 63.5(d)(1)(iii) No Subpart CC requires submittal of the notification of compliance status report in § 63.654(e). 63.5(d)(2) No 63.5(d)(3) Yes Except § 63.5(d)(3)(ii) does not apply. 63.5(d)(4) Yes 63.5(e) Yes 63.5(f)(1) Yes 63.5(f)(2) Yes Except that the “60 days” in the cross-referenced § 63.5(d)(1) is changed to “90 days,” and the cross-reference to (b)(2) does not apply. 63.6(a) Yes 63.6(b)(1) No Subpart CC specifies compliance dates for sources subject to subpart CC. 63.6(b)(2) No 63.6(b)(3) Yes 63.6(b)(4) No May apply when standards are proposed under section 112(f) of the Clean Air Act. 63.6(b)(5) No § 63.654(d) of subpart CC includes notification requirements. 63.6(b)(6) No 63.6(b)(7) No 63.6(c)(1) No § 63.640 of subpart CC specifies the compliance date. 63.6(c)(2)-63.6(c)(4) No 63.6(c)(5) Yes 63.6(d) No 63.6(e) Yes Does not apply to Group 2 emission points. b The startup, shutdown, and malfunction plan specified in § 63.6(e)(3) is not required for wastewater operations that are not subject to subpart G of this part.Except that actions taken during a startup, shutdown, or malfunction that are not consistent with the startup, shutdown, and malfunction plan do not need to be reported within 2 and 7 days of commencing and completing the action, respectively, but must be included in the next periodic report. 63.6(f)(1) Yes 63.6(f)(2)(i) Yes 63.6(f)(2)(ii) Yes Subpart CC specifies the use of monitoring data in determining compliance with subpart CC. 63.6(f)(2)(iii) (A), (B), and (C) Yes 63.6(f)(2)(iii)(D) No 63.6(f)(2)(iv) Yes 63.6(f)(2)(v) Yes 63.6(f)(3) Yes 63.6(g) Yes 63.6(h) (1) and (2) Yes 63.6(h) (4) and (5) No Visible emission requirements and timing in subpart CC. 63.6(h)(6) Yes 63.6(h) (7) through (9) No Subpart CC does not require opacity standards. 63.6(i) Yes Except for § 63.6(i)(15), which is reserved. 63.6(j) Yes 63.7(a)(1) No Subpart CC specifies required testing and compliance demonstration procedures. 63.7(a)(2) No Test results must be submitted in the notification of compliance status report due 150 days after compliance date, as specified in § 63.654(d) of subpart CC. 63.7(a)(3) Yes 63.7(b) No 63.7(c) No 63.7(d) Yes 63.7(e)(1) Yes 63.7(e)(2) Yes 63.7(e)(3) No Subpart CC specifies test methods and procedures. 63.7(e)(4) Yes 63.7(f) No Subpart CC specifies applicable methods and provides alternatives. 63.7(g) No Performance test reporting specified in § 63.654(d). 63.7(h)(1) Yes 63.7(h)(2) Yes 63.7(h)(3) Yes Yes, except site-specific test plans shall not be required, and where § 63.7(g)(3) specifies submittal by the date the site-specific test plan is due, the date shall be 90 days prior to the notification of compliance status report in § 63.654(d). 63.7(h)(4) No 63.7(h)(5) Yes 63.8(a) No 63.8(b)(1) Yes 63.8(b)(2) No Subpart CC specifies locations to conduct monitoring. 63.8(b)(3) Yes 63.8(c)(1)(i) Yes 63.8(c)(1)(ii) No Addressed by periodic reports in § 63.654(e) of subpart CC. 63.8(c)(1)(iii) Yes 63.8(c)(2) Yes 63.8(c)(3) Yes Except that verification of operational status shall, at a minimum, include completion of the manufacturer's written specifications or recommendations for installation, operation, and calibration of the system or other written procedures that provide adequate assurance that the equipment would monitor accurately. 63.8(c)(4) No Subpart CC specifies monitoring frequency in § 63.641 and § 63.654(g)(3) of subpart CC. 63.8(c)(5)-63.8(c)(8) No 63.8(d) No 63.8(e) No 63.8(f)(1) Yes 63.8(f)(2) Yes 63.8(f)(3) Yes 63.8(f)(4)(i) No Timeframe for submitting request is specified in § 63.654(f)(4) of subpart CC. 63.8(f)(4)(ii) Yes 63.8(f)(4)(iii) No 63.8(f)(5)(i) Yes 63.8(f)(5)(ii) No 63.8(f)(5)(iii) Yes 63.8(f)(6) No Subpart CC does not require continuous emission monitors. 63.8(g) No Subpart CC specifies data reduction procedures in § 63.654(h)(3). 63.9(a) Yes Except that the owner or operator does not need to send a copy of each notification submitted to the Regional Office of the EPA as stated in § 63.9(a)(4)(ii). 63.9(b)(1)(i) No Specified in § 63.654(d)(2) of subpart CC. 63.9(b)(1)(ii) No 63.9(b)(2) No An initial notification report is not required under subpart CC. 63.9(b)(3) No 63.9(b)(4) Yes Except that the notification in § 63.9(b)(4)(i) shall be submitted at the time specified in § 63.654(d)(2) of subpart CC. 63.9(b)(5) Yes Except that the notification in § 63.9(b)(5) shall be submitted at the time specified in § 63.654(d)(2) of subpart CC. 63.9(c) Yes 63.9(d) Yes 63.9(e) No 63.9(f) No 63.9(g) No 63.9(h) No Subpart CC § 63.652(d) specifies notification of compliance status report requirements. 63.9(i) Yes 63.9(j) No 63.10(a) Yes 63.10(b)(1) No § 63.644(d) of subpart CC specifies record retention requirements. 63.10(b)(2)(i) Yes 63.10(b)(2)(ii) Yes 63.10(b)(2)(iii) No 63.10(b)(2)(iv) Yes 63.10(b)(2)(v) Yes 63.10(b)(2)(vi)-(ix) No 63.10(b)(2)(x) Yes 63.10(b)(2)(xii)-(xiv) No 63.10(b)(3) No 63.10(c) No 63.10(d)(1) No 63.10(d)(2) No § 63.654(d) of subpart CC specifies performance test reporting. 63.10(d)(3) No 63.10(d)(4) Yes 63.10(d)(5)(i) Yes b Except that reports required by § 63.10(d)(5)(i) may be submitted at the same time as periodic reports specified in § 63.654(e) of subpart CC. 63.10(d)(5)(ii) Yes Except that actions taken during a startup, shutdown, or malfunction that are not consistent with the startup, shutdown, and malfunction plan do not need to be reported within 2 and 7 days of commencing and completing the action, respectively, but must be included in the next periodic report. 63.10(e) No 63.10(f) Yes 63.11-63.15 Yes a Wherever subpart A specifies “postmark” dates, submittals may be sent by methods other than the U.S. Mail (e.g., by fax or courier). Submittals shall be sent by the specified dates, but a postmark is not required.b The plan, and any records or reports of startup, shutdown, and malfunction do not apply to Group 2 emission points.Table 7.—Fraction Measured (F m ), Fraction Emitted (Fe ), and Fraction Removed (Fr) for HAP Compounds in Wastewater StreamsChemical name CAS No. a F m F e Fr Benzene 71432 1.00 0.80 0.99 Biphenyl 92524 0.86 0.45 0.99 Butadiene (1,3-) 106990 1.00 0.98 0.99 Carbon disulfide 75150 1.00 0.92 0.99 Cumene 98828 1.00 0.88 0.99 Dichloroethane (1,2-) (Ethylene dichloride) 107062 1.00 0.64 0.99 Ethylbenzene 100414 1.00 0.83 0.99 Hexane 110543 1.00 1.00 0.99 Methanol 67561 0.85 0.17 0.31 Methyl ethyl ketone (2-Butanone) 78933 0.99 0.48 0.95 Methyl isobutyl ketone (Hexone) 108101 0.98 0.53 0.99 Methyl tert-butyl ether 1634044 1.00 0.57 0.99 Naphthalene 91203 0.99 0.51 0.99 Trimethylpentane (2,2,4-) 540841 1.00 1.00 0.99 Xylene (m-) 108383 1.00 0.82 0.99 Xylene (o-) 95476 1.00 0.79 0.99 Xylene (p-) 106423 1.00 0.82 0.99 a CAS numbers refer to the Chemical Abstracts Service registry number assigned to specific compounds, isomers, or mixtures of compounds.Table 8.—Valve Monitoring Frequency for Phase III Performance level Leaking valves a (%)Valve monitoring frequency "4 Monthly or QIP. b <4 Quarterly. <3 Semiannual. <2 Annual. a Percent leaking valves is calculated as a rolling average of two consecutive monitoring periods.b QIP=Quality improvement program. Specified in § 63.175 of subpart H of this part.Table 9.—Valve Monitoring Frequency for Alternative Performance level Leaking valves a (%)Valve monitoring frequency under § 63.649 alternative "5 Monthly or QIP. b <5 Quarterly. <4 Semiannual. <3 Annual. a Percent leaking valves is calculated as a rolling average of two consecutive monitoring periods.b QIP=Quality improvement program. Specified in § 63.175 of subpart H of this part.Table 10.—Miscellaneous Process Vents—Monitoring, Recordkeeping and Reporting Requirements for Complying With 98 Weight-Percent Reduction of Total Organic HAP Emissions or a Limit of 20 Parts Per Million by Volume Control device Parameters to be monitored a Recordkeeping and reporting requirements for monitored parameters Thermal incinerator Firebox temperature b (63.644(a)(1)(i))1. Continuous records c .2. Record and report the firebox temperature averaged over the full period of the performance test—NCS d .3. Record the daily average firebox temperature for each operating day e .4. Report all daily average temperatures that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collected f —PRg .Catalytic incinerator Temperature upstream and downstream of the catalyst bed (63.644(a)(1)(ii)) 1. Continuous records c .2. Record and report the upstream and downstream temperatures and the temperature difference across the catalyst bed averaged over the full period of the performance test—NCS d .3. Record the daily average upstream temperature and temperature difference across the catalyst bed for each operating day e .4. Report all daily average upstream temperatures that are outside the range established in the NCS or operating permit—PR g .5. Report all daily average temperature differences across the catalyst bed that are outside the range established in the NCS or operating permit—PR g .6. Report all operating days when insufficient monitoring data are collected f .Boiler or process heater with a design heat capacity less than 44 megawatts where the vent stream is not introduced into the flame zoneh,i Firebox temperature b (63.644(a)(4))1. Continuous records c .2. Record and report the firebox temperature averaged over the full period of the performance test—NCS d .3. Record the daily average firebox temperature for each operating day e .4. Report all daily average firebox temperatures that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collected f —PRg .Flare Presence of a flame at the pilot light (63.644(a)(2)) 1. Hourly records of whether the monitor was continuously operating and whether a pilot flame was continuously present during each hour. 2. Record and report the presence of a flame at the pilot light over the full period of the compliance determination—NCS d .3. Record the times and durations of all periods when all pilot flames for a flare are absent or the monitor is not operating. 4. Report the times and durations of all periods when all pilot flames for a flare are absent or the monitor is not operating. All control devices Presence of flow diverted to the atmosphere from the control device (63.644(c)(1)) or 1. Hourly records of whether the flow indicator was operating and whether flow was detected at any time during each hour. 2. Record and report the times and durations of all periods when the vent stream is diverted through a bypass line or the monitor is not operating—PR g .Monthly inspections of sealed valves [63.644(c)(2)] 1. Records that monthly inspections were performed. 2. Record and report all monthly inspections that show the valves are not closed or the seal has been changed—PR g .a Regulatory citations are listed in parentheses.b Monitor may be installed in the firebox or in the ductwork immediately downstream of the firebox before any substantial heat exchange is encountered.c “Continuous records” is defined in § 63.641.d NCS = Notification of compliance status report described in § 63.654.e The daily average is the average of all recorded parameter values for the operating day. If all recorded values during an operating day are within the range established in the NCS or operating permit, a statement to this effect can be recorded instead of the daily average.f When a period of excess emission is caused by insufficient monitoring data, as described in § 63.654(g)(6)(i) (C) or (D), the duration of the period when monitoring data were not collected shall be included in the Periodic Report.g PR = Periodic Reports described in § 63.654(g).h No monitoring is required for boilers and process heaters with a design heat capacity ≥44 megawatts or for boilers and process heaters where all vent streams are introduced into the flame zone. No recordkeeping or reporting associated with monitoring is required for such boilers and process heaters.i Process vents that are routed to refinery fuel gas systems are not regulated under this subpart. No monitoring, recordkeeping, or reporting is required for boilers and process heaters that combust refinery fuel gas.