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) (3) Gas Chromatography (GC) (12) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (18) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (1) Sample Type (-) Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category Biomarkers (2) Test Sub-Category Cyanide (2) (-) Other (2) Test Test Name 4472B Thiosulfate, Blood 4472U Thiosulfate, Urine