For the purposes of this chapter:
The term “standard reference data” means data that is—
(A) either— (i) quantitative information related to a measurable physical, or chemical, or biological property of a substance or system of substances of known composition and structure; (ii) measurable characteristics of a physical artifact or artifacts; (iii) engineering properties or performance characteristics of a system; or (iv) 1 or more digital data objects that serve— (I) to calibrate or characterize the performance of a detection or measurement system; or (II) to interpolate or extrapolate, or both, data described in subparagraph (A) through (C); [1] and
(B) that is critically evaluated as to its reliability under section 290b of this title.
(2) Secretary The term “Secretary” means the Secretary of Commerce.
(Pub. L. 90–396, § 2, July 11, 1968, 82 Stat. 340; Pub. L. 114–329, title I, § 108, Jan. 6, 2017, 130 Stat. 2987.)