As stated in § 63.10007, you must comply with the following requirements for performance testing for existing, new or reconstructed affected sources: 1

1 Regarding emissions data collected during periods of startup or shutdown, see §§ 63.10020(b) and (c) and 63.10021(h). With the exception of IGCC units, on or after July 6, 2027: You may not use quarterly performance emissions testing to demonstrate compliance with the filterable PM emissions standards and for existing EGUs you may not choose to comply with the total or individual HAP metals emissions limits unless you request and receive approval for the use of a HAP metals CMS under § 63.7(f).

2 See tables 1 and 2 to this subpart for required sample volumes and/or sampling run times.

3 Incorporated by reference, see § 63.14.