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) (10) Gas Chromatography (GC) (5) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (13) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (3) Hair (1) Nails (1) Serum or Plasma (4) (-) Urine (3) Test Area (-) Exposure (3) Test Category Biomarkers (2) Metals/Elements (1) Test Sub-Category Cyanide (1) Other (1) Toxic Elements (1) Test Test Name 4190U Silicon, Urine 4440U Thiocyanate, Urine 4472U Thiosulfate, Urine