Qualified professional engineer
Qualified professional engineer means an individual who is licensed by a state as a Professional Engineer to practice one or more disciplines of engineering and who is qualified by education, technical knowledge and experience to make the specific technical certifications required under this subpart. Professional engineers making these certifications must be currently licensed in the state where the CCR unit is located.
40 CFR § 257.53
The following definitions apply to this subpart. Terms not defined in this section have the meaning given by RCRA.