Reference Standard [Energy] Law and Legal Definition

According to 10 CFR 74.4 [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 74 -- Material Control and Accounting of Special Nuclear Material; Subpart A -- General Provisions], the term reference standard means “a material, device, or instrument whose assigned value is known relative to national standards or nationally accepted measurement systems. This is also commonly referred to as a traceable standard.”