['Air Programs']
['Air Quality']
06/23/2023
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(a) Nonflare control device equipment and operating requirements. The owner or operator shall operate and maintain the nonflare control device, including a halogen reduction device for a low-throughput transfer rack, so that the monitored parameters defined as required in paragraph (c) of this section remain within the ranges specified in the Initial Compliance Status Report whenever emissions of regulated material are routed to the control device and halogen reduction device, except during periods of startup, shutdown, and malfunction as specified in §65.3(a).
(b) Nonflare control device design evaluation or performance test requirements. When using a control device other than a flare, the owner or operator shall comply with the requirements in paragraph (b)(1)(i), (ii), or (iii) of this section except as provided in paragraph (b)(2) of this section. Owners or operators of halogenated low-throughput transfer rack vent streams routed to a combustion device and then to a halogen reduction device to meet the specifications of §65.83(b)(1), must also meet the requirements of paragraph (b)(3) of this section.
(1) Unless a design evaluation or performance test as required in the referencing subpart was previously conducted and submitted for the storage vessel or low-throughput transfer rack, the owner or operator shall either prepare and submit with the Initial Compliance Status Report, as specified in §65.165(b), a design evaluation that includes the information specified in paragraph (b)(1)(i) of this section, or the results of the performance test as described in paragraph (b)(1)(ii) or (iii) of this section.
(i) Design evaluation. The design evaluation shall include documentation demonstrating that the control device being used achieves the required control efficiency during the reasonably expected maximum storage vessel filling or transfer loading rate. This documentation is to include a description of the gas stream that enters the control device, including flow and regulated material content; and additionally for storage vessels, the effects of varying liquid level conditions; and the information specified in paragraphs (b)(1)(i)(A) through (E) of this section, as applicable. This documentation shall be submitted with the Initial Compliance Status Report as specified in §65.165(b).
(A) The efficiency determination is to include consideration of all vapors, gases, and liquids, other than fuels, received by the control device.
(B) If an enclosed combustion device with a minimum residence time of 0.5 seconds and a minimum temperature of 760°C is used to meet the emission reduction requirement specified in §65.42(b)(5) for storage vessels, or §65.83(a)(1) for transfer racks, documentation that those conditions exist is sufficient to meet the requirements of paragraph (b)(1)(i) of this section.
(C) Except as provided in paragraph (b)(1)(i)(B) of this section for enclosed combustion devices, the design evaluation shall include the estimated autoignition temperature of the stream being combusted, the flow rate of the stream, the combustion temperature, and the residence time at the combustion temperature.
(D) For carbon adsorbers, the design evaluation shall include the estimated affinity of the regulated pollutant vapors for carbon, the amount of carbon in each bed, the number of beds, the humidity, the temperature, the flow rate of the inlet stream and, if applicable, the desorption schedule, the regeneration stream pressure or temperature, and the flow rate of the regeneration stream. For vacuum desorption, pressure drop shall be included.
(E) For condensers, the design evaluation shall include the final temperature of the stream vapors, the type of condenser, and the design flow rate of the emission stream.
(ii) Performance test. A performance test is acceptable to demonstrate compliance with §65.42(b)(5) for storage vessels, and §65.83(a)(1) for low-throughput transfer racks. The owner or operator is not required to prepare a design evaluation for the control device as described in paragraph (b)(1)(i) of this section if a performance test will be performed that meets the following criteria:
(A) The performance test demonstrates that the control device achieves greater than or equal to the required control efficiency specified in §65.42(b)(5) for storage vessels, or §65.83(a)(1) for transfer racks; and
(B) The performance test meets the applicable performance test requirements of §§65.157 and 65.158, and the results are submitted as part of the Initial Compliance Status Report as specified in §65.165(b).
(iii) If the control device used to comply with §65.42(b)(5) for storage vessels, or with §65.83(a)(1) for low-throughput transfer racks, as applicable, is also used to comply with §65.63(a)(2) for process vents, or §65.83(a)(1) for high-throughput transfer racks, a performance test required by §65.148(b), §65.149(b), §65.150(b), §65.151(b), §65.152(b), or §65.155(b) is acceptable to demonstrate compliance with §65.42(b)(5) for storage vessels, or §65.83(a)(1) for low-throughput transfer racks, as applicable. The owner or operator is not required to prepare a design evaluation for the control device as described in paragraph (b)(1)(i) of this section, if a performance test will be performed which meets the following criteria:
(A) The performance test demonstrates that the control device achieves greater than or equal to the required control efficiency specified in §65.42(b)(5) for storage vessels, or §65.83(a)(1) for transfer racks; and
(B) The performance test is submitted as part of the Initial Compliance Status Report as specified in §65.165(b).
(2) A design evaluation or performance test is not required if the owner or operator uses a combustion device meeting the criteria in paragraph (b)(2)(i), (ii), (iii), or (iv) of this section and reports as specified in §65.165(f).
(i) A boiler or process heater with a design heat input capacity of 44 megawatts (150 million British thermal units per hour) or greater.
(ii) A boiler or process heater burning hazardous waste for which the owner or operator meets either of the following requirements:
(A) The boiler or process heater has been issued a final permit under 40 CFR part 270 and complies with the requirements of 40 CFR part 266, subpart H; or
(B) The boiler or process heater has certified compliance with the interim status requirements of 40 CFR part 266, subpart H.
(iii) A hazardous waste incinerator for which the owner or operator meets either of the following requirements:
(A) The incinerator has been issued a final permit under 40 CFR part 270 and complies with the requirements of 40 CFR part 264, subpart O; or
(B) The incinerator has certified compliance with the interim status requirements of 40 CFR part 265, subpart O.
(iv) A boiler or process heater into which the vent stream is introduced with the primary fuel.
(3) Halogen reduction devices used for transfer racks. Unless a design evaluation or performance test as required in the referencing subpart was previously conducted and submitted for a halogen reduction device following a combustion device for a low-throughput transfer rack, the owner or operator shall either prepare and submit with the Initial Compliance Status Report, as specified in §65.165(b), a design evaluation that includes the information specified in paragraph (b)(3)(i) of this section, or the results of the performance test as described in paragraph (b)(3)(ii) or (iii) of this section. The provisions of this paragraph (b)(3) apply to owners or operators using a halogen reduction device following a combustion device to comply with §65.83(b)(1).
(i) Design evaluation. The design evaluation shall include documentation demonstrating that the halogen reduction device being used achieves the required control efficiency during the reasonably expected maximum transfer loading rate. This documentation is to include a description of the gas stream that enters the halogen reduction device, including flow and regulated material content. The efficiency determination is to include consideration of all vapors, gases, and liquids, other than fuels, received by the halogen reduction device. This documentation shall be submitted with the Initial Compliance Status Report as specified in §65.165(b).
(ii) Performance test. A performance test is acceptable to demonstrate compliance with §65.83(b)(1) for low-throughput transfer racks. The owner or operator is not required to prepare a design evaluation for the halogen reduction device as described in paragraph (b)(3)(i) of this section if a performance test will be performed that meets the following criteria:
(A) The performance test demonstrates that the halogen reduction device achieves greater than or equal to the required control efficiency specified in §65.83(b)(1) for transfer racks; and
(B) The performance test meets the applicable performance test requirements of §§65.157 and 65.158, and the results are submitted as part of the Initial Compliance Status Report as specified in §65.165(b).
(iii) If the halogen reduction device used to comply with §65.83(b)(1) for low-throughput transfer racks, is also used to comply with §65.63(b)(1) for process vents, or §65.83(b)(1) for high-throughput transfer racks, a performance test required by §65.154(b) is acceptable to demonstrate compliance with §65.83(b)(1) for low-throughput transfer racks. The owner or operator is not required to prepare a design evaluation for the halogen reduction device as described in paragraph (b)(3)(i) of this section, if a performance test will be performed which meets the following criteria:
(A) The performance test demonstrates that the halogen reduction device achieves greater than or equal to the required control efficiency specified in §65.83(b)(1) for transfer racks; and
(B) The performance test is submitted as part of the Initial Compliance Status Report as specified in §65.165(b).
(c) Nonflare control device monitoring requirements.(1) Unless previously established under an applicable standard prior to the implementation date of this part as specified in §65.1(f), the owner or operator shall submit with the Initial Compliance Status Report a monitoring plan containing the information specified in §65.165(b) to identify the parameters that will be monitored to assure proper operation of the control device. The owner or operator of a halogenated low-throughput transfer rack vent stream routed to a combustion device and then to a halogen reduction device to meet the specifications of §65.83(b)(1) shall submit with the Initial Compliance Status Report a monitoring plan containing the information specified in §65.165(b) to identify the parameters that will be monitored to assure proper operation of the halogen reduction device.
(2) The owner or operator shall monitor the parameters specified in the Initial Compliance Status Report or in the operating permit. Records shall be generated as specified in §65.163(b)(1).
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