40 CFR § 469.32
Monitoring requirements
June 9, 2020
The certification alternative to monitoring for TTO specified in §469.13 (a), (b), (c) and (d), is applicable to this subpart.
(Approved by the Office of Management and Budget under control number 2040-0074)
[48 FR 55704, Dec. 14, 1983, as amended at 49 FR 34823, Sept. 4, 1984]