§ 2605. Enforcement
(b)
Periodic examinations
The Secretary shall conduct periodic examinations of vessels operating under this chapter transporting municipal or commercial waste to determine that each of these vessels has a permit issued under section
2602 of this title.
(d)
Denial of entry and detention
If a vessel does not comply with this chapter, the Secretary of Transportation may—
(e)
Persistent violators
The Administrator shall conduct an investigation of the owner or operator of a vessel or facility if the owner has 5 or more separate violations during a 6-month period.