View all text of Subjgrp 249 [§ 60.2939 - § 60.2945]
§ 60.2941 - What is my schedule for evaluating continuous emission monitoring systems?
(a) Conduct annual evaluations of your continuous emission monitoring systems no more than 12 months after the previous evaluation was conducted.
(b) Evaluate your continuous emission monitoring systems daily and quarterly as specified in appendix F of this part.