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42 U.S.C. 7401 et seq.
43 FR 51393, Nov. 3, 1978, unless otherwise noted.
68 FR 5158, Jan. 31, 2003, unless otherwise noted.
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(a) Conduct annual evaluations of your continuous emission monitoring systems no more than 13 months after the previous evaluation was conducted.
(b) Evaluate your continuous emission monitoring systems daily and quarterly as specified in appendix F of 40 CFR part 60.