21 C.F.R. § 862.3110
Antimony test system.
Cite as 21 C.F.R. § 862.3110 (2026)
(a) Identification. An antimony test system is a device intended to measure antimony, a heavy metal, in urine, blood, vomitus, and stomach contents. Measurements obtained by this device are used in the diagnosis and treatment of antimony poisoning. (b) Classification. Class I.