Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (5) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type Blood (1) Test Area Exposure (1) Test Category Gases (1) Test Sub-Category Carboxylic Acids (3) (-) Hydrocarbons (1) Other (21) Selective Serotonin Reuptake Inhibitors (SSRI) (5) Test Test Name 2745B Methane, Blood