§ 63.9020 What performance tests and other procedures must I use?
(a) You must conduct each performance test in Table 3 to this subpart that applies to you as directed in paragraphs (a)(1) through (4) of this section, except as noted in paragraphs (b) and (c) of this section.
(1) You must develop a site-specific test plan according to § 63.7(c)(2) and conduct each performance test according to the site-specific test plan.
(2) Before October 13, 2020, for each existing source, and for each new or reconstructed source for which construction or reconstruction commenced after April 17, 2003, but before February 5, 2019, you must conduct each performance test under representative conditions according to the requirements in § 63.7(e)(1) and under the specific conditions that this subpart specifies in Table 3. After October 13, 2020 for each such source, and after April 15, 2020 for new and reconstructed sources for which construction or reconstruction commenced after February 4, 2019, you must conduct each performance test under conditions representative of normal operations. The owner or operator must record the process information that is necessary to document operating conditions during the test and include in such record an explanation to support that such conditions represent normal operation. Upon request, the owner or operator shall make available to the Administrator such records as may be necessary to determine the conditions of performance tests.
(3) You may not conduct performance tests during periods of startup, shutdown, or malfunction.