Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (4) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (15) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (2) Sample Type Blood (1) Hair (1) (-) Nails (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category (-) Metals/Elements (2) Test Sub-Category Toxic Elements (1) Trace Elements (1) Test Test Name 4190U Silicon, Urine 4844N Zinc, Nails