Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (16) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (5) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Spectrophotometry (SP) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (1) Test Area Exposure (1) Test Category Metals/Elements (1) Test Sub-Category Toxic Elements (1) Test Test Name 4190B Silicon, Blood