Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type 24 Hour Urine (1) Blood (15) Fluid (1) Hair (2) Liquid (1) (-) Nails (1) Serum or Plasma (13) Urine (10) Test Area Exposure (1) Test Category (-) Metals/Elements (1) Test Sub-Category Toxic Elements (1) Test Test Name 4370N Thallium, Nails