Table 3 to Subpart G of Part 63 - —Process Vents—Process Vents—Monitoring, Recordkeeping, and Reporting Requirements for Control Devices and Recapture Devices

Table 3 to Subpart G of Part 63—Process Vents—Process Vents—Monitoring, Recordkeeping, and Reporting Requirements for Complying With 98 Weight-Percent Reduction of Total Organic Hazardous Air Pollutants Emissions or a Limit of 20 Parts Per Million by Volume

Cross Reference

Link to an amendment published at 89 FR 43212, May 16, 2024.

Control

Control Devices and Recapture Devices

Table 3 to Subpart G of Part 63—Process Vents—Monitoring, Recordkeeping, and Reporting Requirements for Control Devices and Recapture Devices

Control or recapture device	Parameters to be monitoreda	Recordkeeping and reporting requirements for monitored parameters
Thermal incinerator, other than a thermal oxidizer used to comply with § 63.124	Firebox temperatureb [63.114(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 collectedf—PR.g	Catalytic incinerator
Temperature upstream and downstream of the catalyst bed Thermal oxidizer used to comply with § 63.124	Combustion chamber temperature [63.114124(ab)(15)(iii)]	1. Continuous records.c 2. Record and report the upstream and downstream temperatures and the temperature difference across the catalyst bed combustion chamber temperature 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 each 1-hour block average firebox temperature for each operating day.
		e 4. Report all daily average upstream 1-hour block temperatures that are outside the range established in the NCS or operating permit—PR. 5. Report all daily average temperature differences across the catalyst bed permit and all operating days when insufficient monitoring data are collectedf—PR.g
Thermal oxidizer used to comply with § 63.124 (Continued)	Flue gas flow rate [63.124(b)(5)(ii)]	1. Continuous records.c 2. Record and report the flue gas flow rate averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block average flue gas flow rate for each operating day.
		4. Report all 1-hour block flue gas flow rates that are outside the range established in the NCS or operating permit—PR. 6. Report permit and all operating days when insufficient monitoring data are collected.f	Boiler or process heater with a design heat input capacity less than 44 megawatts and vent stream is not introduced with or as the primary fuel	Firebox temperatureb f—PR.g
Catalytic incinerator	Temperature upstream and downstream of the catalyst bed [63.114(a)(31)(ii)]	1. Continuous records.c 2. Record and report the firebox temperature 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 firebox temperature upstream temperature and temperature difference across the catalyst bed for each operating day.e
		4. Report all daily average firebox upstream temperatures that are outside the range established in the NCS or operating permit and all operating permit—PR.
		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 collectedf—PR.	Flare	.f
Flare (if meeting the requirements of § 63.11(b))	Presence of a flame at the pilot light [§ 63.114(a)(2)]	1. Hourly records of whether the monitor was continuously operating and whether the 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 are absent or the monitor is not operating.
		4. Report the times and durations of all periods when all pilot flames of a flare are absent—PR.	Recapture devices	The appropriate monitoring device identified in table 4 when, in the table, the term “recapture” is substituted for “recovery.” [g
Flare (if meeting the requirements of § 63.108)	The parameters are specified in § 63.108	1. Records as specified in § 63.108(m) of subpart F of this part.
		2. Report information as specified in § 63.108(l) of subpart F of this part—PR.g
Boiler or process heater with a design heat input capacity less than 44 megawatts and vent stream is not introduced with or as the primary fuel	Firebox temperatureb [§ 63.114(a)(53)]	1. The recordkeeping and reporting requirements for monitored parameters identified for the appropriate monitoring device in table 4 of this subpart. 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 collectedf—PR.g
Scrubber for halogenated vent streams (Note: Controlled by a combustion device other than a flare)	pH of scrubber effluent [§ 63.114(a)(4)(i)], and	1. Continuous records.c 2. Record and report the pH of the scrubber effluent averaged over the full period of the performance test—NCS.d
		3. Record the daily average pH of the scrubber effluent for each operating day.e
		4. Report all daily average pH values of the scrubber effluent that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Scrubber for halogenated vent streams (Note: Controlled by a combustion device other than a flare) (Continued)	Scrubber liquid and gas flow rates [§ 63.114(a)(4)(ii)]	1. Continuous records of scrubber liquid flow rate.c 2. Record and report the scrubber liquid/gas ratio averaged over the full period of the performance test—NCS.d
		3. Record the daily average scrubber liquid/gas ratio for each operating day.e
		4. Report all daily average scrubber liquid/gas ratios that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
All control devices	Presence of flow diverted to the atmosphere from the control device [§ 63.114(d)(1)] or	1. Hourly records of whether the flow indicator was operating and whether diversion 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
		3. For each source as defined in § 63.101, beginning no later than the compliance dates specified in § 63.100(k)(10), record and report the start date, start time, duration in hours, estimate of the volume of gas in standard cubic feet, the concentration of organic HAP in the gas in parts per million by volume and the resulting mass emissions of organic HAP in pounds that bypass a control device. For periods when the flow indicator is not operating, report the start date, start time, and duration in hours—PR.g
All control devices (Continued)	Monthly inspections of sealed valves [§ 63.114(d)(2)]	1. Records that monthly inspections were performed. 2. Record and report all monthly inspections that show the valves are moved to the diverting position or the seal has been changed—PR.g
		3. For each source as defined in § 63.101, beginning no later than the compliance dates specified in § 63.100(k)(10), record and report the start date, start time, duration in hours, estimate of the volume of gas in standard cubic feet, the concentration of organic HAP in the gas in parts per million by volume and the resulting mass emissions of organic HAP in pounds that bypass a control device. For periods when the flow indicator is not operating, report the start date, start time, and duration in hours—PR.g
All recapture devices (as an alternative to the below for absorbers, condensers, and carbon adsorbers)	Concentration level or reading indicated by an organic monitoring device at the outlet of the recovery device [§ 63.114(a)(5)(i)]	1. Continuous records.c 2. Record and report the concentration level or reading averaged over the full period of the performance test—NCS.d
		3. Record the daily average concentration level or reading for each operating day.e
		4. Report all daily average concentration levels or readings that are outside the range established in the NCS or operating permit—PR.g
Absorberh	Exit temperature of the absorbing liquid [§ 63.114(a)(5)(ii)], and	1. Continuous records.c 2. Record and report the exit temperature of the absorbing liquid averaged over the full period of the performance test—NCS.d
		3. Record the daily average exit temperature of the absorbing liquid for each operating day.e
		4. Report all the daily average exit temperatures of the absorbing liquid that are outside the range established in the NCS or operating permit—PR.g
Absorberh (Continued)	Exit specific gravity [§ 63.114(a)(5)(ii)]	1. Continuous records.c 2. Record and report the exit specific gravity averaged over the full period of the performance test—NCS.d
		3. Record the daily average exit specific gravity for each operating day.e
		4. Report all daily average exit specific gravity values that are outside the range established in the NCS or operating permit—PR.g
Condenserh	Exit (product side) temperature [§ 63.114(a)(5)(iii)]	1. Continuous records.c 2. Record and report the exit temperature averaged over the full period of the performance test—NCS.d
		3. Record the daily average exit temperature for each operating daye.
		4. Report all daily average exit temperatures that are outside the range established in the NCS or operating permit—PR.g
Carbon adsorberh	Total regeneration stream mass or volumetric flow during carbon bed regeneration cycle(s) [§ 63.114(a)(5)(iv)], and	1. Record of total regeneration stream mass or volumetric flow for each carbon bed regeneration cycle. 2. Record and report the total regeneration stream mass or volumetric flow during each carbon bed regeneration cycle during the period of the performance test—NCS.d
		3. Report all carbon bed regeneration cycles when the total regeneration stream mass or volumetric flow is outside the range established in the NCS or operating permit—PR.g
Carbon adsorberh (Continued)	Temperature of the carbon bed after regeneration [and within 15 minutes of completing any cooling cycle(s)] [§ 63.114(a)(5)(iv)]	1. Records of the temperature of the carbon bed after each regeneration. 2. Record and report the temperature of the carbon bed after each regeneration during the period of the performance test—NCS.d
		3. Report all carbon bed regeneration cycles during which temperature of the carbon bed after regeneration is outside the range established in the NCS or operating permit—PR.g
Carbon adsorberh (Continued)	Outlet HAP or TOC concentration [§ 63.114(a)(5)(v)]	For each nonregenerative adsorber and regenerative adsorber that is regenerated offsite subject to the requirements in § 63.114(a)(5)(v), the owner or operator must record each outlet HAP or TOC concentration measured according to §§ 63.114(a)(5)(v)(B) and (C).
Carbon adsorberh (Continued)	Adsorbent replacement [§ 63.114(a)(5)(v)]	1. For each nonregenerative adsorber and regenerative adsorber that is regenerated offsite subject to the requirements in § 63.114(a)(5)(v), the owner or operator must record date and time the adsorbent was last replaced.
Carbon adsorberh (Continued)	Breakthrough [§ 63.114(a)(5)(v)]	For each nonregenerative adsorber and regenerative adsorber that is regenerated offsite subject to the requirements in § 63.114(a)(5)(v), the owner or operator must:
		1. Record breakthrough limit and bed life established according to § 63.114(a)(5)(v)(A).
		2. Report the date of each instance when breakthrough, as defined in § 63.101, is detected between the first and second adsorber and the adsorber is not replaced according to § 63.114(a)(5)(v)(A)(1)—PR.g
Scrubber with a reactant tank used to comply with § 63.124	Liquid-to-gas ratio [§ 63.124(b)(4)(i)]	1. Continuous records.c 2. Record and report the L/G of the scrubber averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block L/G of the scrubber for each operating day.
		4. Report all 1-hour block L/G values of the scrubber that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Scrubber with a reactant tank used to comply with § 63.124 (Continued)	In lieu of liquid-to-gas ratio, scrubber total liquid flow rate and gas flow rate through scrubber [§ 63.124(b)(4)(i)]	1. Continuous records.c 2. Record and report both the total scrubber liquid flow rate and gas flow rate through the scrubber averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block total scrubber liquid flow rate and each 1-hour block gas flow rate through the scrubber for each operating day.
		4. Report all 1-hour block total scrubber liquid flow rate values and all 1-hour block gas flow rate through the scrubber values that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Scrubber with a reactant tank used to comply with § 63.124 (Continued)	pH of liquid in reactant tank [§ 63.124(b)(4)(ii)]	1. Continuous records.c 2. Record and report the pH of liquid in reactant tank averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block pH of liquid in reactant tank for each operating day.
		4. Report all 1-hour block values of the pH of liquid in reactant tank that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Scrubber with a reactant tank used to comply with § 63.124 (Continued)	Pressure drop [§ 63.124(b)(4)(iii)]	1. Continuous records.c 2. Record and report the pressure drop of the scrubber averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block pressure drop of the scrubber for each operating day.
		4. Report all 1-hour block pressure drop values that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Scrubber with a reactant tank used to comply with § 63.124 (Continued)	Temperature of scrubbing liquid entering column [§ 63.124(b)(4)(iv)]	1. Continuous records.c 2. Record and report the temperature of scrubbing liquid entering column averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block temperature of scrubbing liquid entering column for each operating day.
		4. Report all 1-hour block values of the temperature of scrubbing liquid entering column that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Scrubber with a reactant tank used to comply with § 63.124 (Continued)	Liquid feed pressure [§ 63.124(b)(4)(v)]	1. Continuous records.c 2. Record and report the liquid feed pressure of the scrubber averaged over the full period of the performance test—NCS.d
		3. Record each 1-hour block liquid feed pressure of the scrubber for each operating day.
		4. Report all 1-hour block liquid feed pressure values that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Sorbent injection	Sorbent injection rateb [§ 63.114(a)(6)(i)]	1. Continuous records.c 2. Record and report the sorbent injection rate averaged over the full period of the performance test—NCS.d
		3. Record the daily average sorbent injection rate for each operating day.e
		4. Report all daily average sorbent injection rates that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g
Sorbent injection (Continued)	Carrier gas flow rateb [§ 63.114(a)(6)(ii)]	1. Continuous records.c 2. Record and report the carrier gas flow rate averaged over the full period of the performance test—NCS.d
		3. Record the daily average carrier gas flow rate for each operating day.e
		4. Report all daily average carrier gas flow rates that are outside the range established in the NCS or operating permit and all operating days when insufficient monitoring data are collectedf—PR.g

^a Regulatory citations are listed in brackets.

^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 § 63.111 of this subpart.

^d NCS = Notification of Compliance Status described in § 63.152 of this subpart.

^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 The periodic reports shall include the duration of periods when monitoring data is not collected for each excursion as defined in § 63.152(c)(2)(ii)(A) of this subpart.

^g PR = Periodic Reports described in § 63.152 of this subpart.

^h Alternatively, these devices may comply with the organic monitoring device provisions listed at this table under “All recapture devices.”.

[89 FR 43212, May 16, 2024]