You must conduct a performance test, as required under Sec. Sec. 60.2690 and 60.2670, to determine compliance with the emission limitations in table 2 of this subpart and tables 6 through 9 of this subpart, to establish compliance with any opacity operating limits in Sec. 60.2675, and to establish operating limits using the procedures in Sec. 60.2675 or Sec. 60.2680. The performance test must be conducted using the test methods listed in table 2 of this subpart and tables 6 through 9 of this subpart and the procedures in Sec. 60.2690. The use of the bypass stack during a performance test shall invalidate the performance test. You must conduct a performance evaluation of each continuous monitoring system within 60 days of installation of the monitoring system. [76 FR 15773, Mar. 21, 2011]