40 CFR § 62.14421
How does an operator become trained and qualified?
June 9, 2020
(a) The HMIWI operator can obtain training and qualification through a State-approved program or as provided in paragraph (b) of this section.
(b) If there are no State-approved training and qualification programs available or if your operator does not want to participate in a State-approved program, then your operator must complete a training course that includes the requirements in §62.14422 and satisfy the qualification requirements in §62.14423.