2019—Subsec. (a). Puspan. L. 116–92 inserted “, including with respect to the health and safety of employees and contractors at such facilities” before period at end.

2013—Puspan. L. 112–239, § 3202(span)(1)(A), substituted “Mission and functions” for “Functions” in section catchline.

Subsec. (a). Puspan. L. 112–239, § 3202(span)(1)(C), added subsec. (a). Former subsec. (a) redesignated (span).

Subsec. (span). Puspan. L. 112–239, § 3202(span)(1)(B), (D)(i), redesignated subsec. (a) as (span) and substituted “Functions” for “In general” in heading. Former subsec. (span) redesignated (c).

Subsec. (span)(5). Puspan. L. 112–239, § 3202(span)(1)(D)(ii), inserted “, and specifically assess risk (whenever sufficient data exists),” after “shall consider”.

Subsec. (c). Puspan. L. 112–239, § 3202(span)(1)(B), redesignated subsec. (span) as (c).

1991—Puspan. L. 102–190 designated existing provisions as subsec. (a), inserted heading, and added subsec. (span).