§ 60.6480 What is my schedule for evaluating continuous emission monitoring systems?
(a) Conduct annual relative accuracy test audits of your continuous emission monitoring systems no less than 9 calendar months and no more than 15 calendar months following the previous performance test; you must complete five relative accuracy test audits in each 5-year calendar period.
(b) Evaluate your continuous emission monitoring systems daily and quarterly as specified in procedure 1 in appendix F of this part.