(a) In General.—
A person knowingly violating section 5104(b) or willfully or recklessly violating this chapter or a regulation, order, special permit, or approval issued under this chapter shall be fined under title 18, imprisoned for not more than 5 years, or both; except that the maximum amount of imprisonment shall be 10 years in any case in which the violation involves the release of a hazardous material that results in death or bodily injury to any person.
(b) Knowing Violations.—For purposes of this section—
(1) a person acts knowingly when—
(B)
a reasonable person acting in the circumstances and exercising reasonable care would have that knowledge; and
(2)
knowledge of the existence of a statutory provision, or a regulation or a requirement required by the Secretary, is not an element of an offense under this section.
(Pub. L. 103–272, § 1(d), July 5, 1994, 108 Stat. 781; Pub. L. 109–59, title VII, § 7121, Aug. 10, 2005, 119 Stat. 1906.)