40 CFR 89.305 - Equipment measurement accuracy/calibration frequency.
The accuracy of measurements must be such that the maximum tolerances shown in Table 3 in appendix A of this subpart are not exceeded. Calibrate all equipment and analyzers according to the frequencies shown in Table 3 in appendix A of this subpart.
[59 FR 31335, June 17, 1994. Redesignated at 63 FR 56995, Oct. 23, 1998]
Title 40 published on 2014-07-01
no entries appear in the Federal Register after this date.