Operating Limits for EGUs

As stated in § 63.9991, you must comply with the applicable operating limits: Table 4 to Subpart UUUUU of Part 63—Operating Limits for EGUs [As stated in § 63.9991, you must comply with the applicable operating limits] If you demonstrate compliance using . . . You must meet these operating limits . . . PM CPMS Maintain the 30-boiler operating day rolling average PM CPMS output determined in accordance with the requirements of § 63.10023(b)(2) and obtained during the most recent performance test run demonstrating compliance with the filterable PM, total non-mercury HAP metals (total HAP metals, for liquid oil-fired units), or individual non-mercury HAP metals (individual HAP metals including Hg, for liquid oil-fired units) emissions limitation(s). [81 FR 20197, Apr. 6, 2016, as amended at 89 FR 38582, May 7, 2024; 91 FR 9117, Feb. 26, 2026]