19 U.S.C. § 2575: General

Nothing in this subpart may be construed—(1) to prohibit a Federal agency or State agency from engaging in activity related to sanitary or phytosanitary measures to protect human, animal, or plant life or health; or (2) to limit the authority of a Federal agency or State agency to determine the level of protection of human, animal, or plant life or health the agency considers appropriate.