40 CFR Part 63 - Subpart UUU - National Emission Standards for Hazardous Air Pollutants for Petroleum Refineries: Catalytic Cracking Units, Catalytic Reforming Units, and Sulfur-Recovery Units.
This subpart establishes national emission standards for HAP emitted from petroleum refineries. Reference tables and flowchart for catalytic cracking units, catalytic reforming units, and sulfur-recovery units.
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