Code of Federal Regulations (Last Updated: October 10, 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 UUU - National Emission Standards for Hazardous Air Pollutants for Petroleum Refineries: Catalytic Cracking Units, Catalytic Reforming Units, and Sulfur Recovery Units |
Table 24 to Subpart UUU of Part 63 - Continuous Monitoring Systems for Inorganic HAP Emissions From Catalytic Reforming Units
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Table 24 to Subpart UUU of Part 63 - Continuous Monitoring Systems for Inorganic HAP Emissions From Catalytic Reforming Units
As stated in § 63.1567(b)(1), you shall meet each requirement in the following table that applies to you.
If you use this type of control device for your vent . . . You shall install and operate this type of continuous monitoring system . . . 1. Wet scrubber Continuous parameter monitoring system to measure and record the total water (or scrubbing liquid) flow rate entering the scrubber during coke burn-off and catalyst rejuvenation; and continuous parameter monitoring system to measure and record gas flow rate entering or exiting the scrubber during coke burn-off and catalyst rejuvenation1; and continuous parameter monitoring system to measure and record the pH or alkalinity of the water (or scrubbing liquid) exiting the scrubber during coke burn-off and catalyst rejuvenation.2 2. Internal scrubbing system or no control device (e.g., hot regen system) to meet HCl outlet concentration limit Colormetric tube sampling system to measure the HCl concentration in the catalyst regenerator exhaust gas during coke burn-off and catalyst rejuvenation. The colormetric tube sampling system must meet the requirements in Table 41 of this subpart. 3. Internal scrubbing system to meet HCl percent reduction standard Continuous parameter monitoring system to measure and record the gas flow rate entering or exiting the internal scrubbing system during coke burn-off and catalyst rejuvenation; and continuous parameter monitoring system to measure and record the total water (or scrubbing liquid) flow rate entering the internal scrubbing system during coke burn-off and catalyst rejuvenation; and continuous parameter monitoring system to measure and record the pH or alkalinity of the water (or scrubbing liquid) exiting the internal scrubbing system during coke burn-off and catalyst rejuvenation.2 4. Fixed-bed gas-solid adsorption system Continuous parameter monitoring system to measure and record the temperature of the gas entering or exiting the adsorption system during coke burn-off and catalyst rejuvenation; and colormetric tube sampling system to measure the gaseous HCl concentration in the adsorption system exhaust and at a point within the absorbent bed not to exceed 90 percent of the total length of the absorbent bed during coke burn-off and catalyst rejuvenation. The colormetric tube sampling system must meet the requirements in Table 41 of this subpart. 5. Moving-bed gas-solid adsorption system (e.g., ChlorsorbTM System). Continuous parameter monitoring system to measure and record the temperature of the gas entering or exiting the adsorption system during coke burn-off and catalyst rejuvenation. [70 FR 6956, Feb. 9, 2005, as amended at 80 FR 75306, Dec. 1, 2015]