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) Headspace Gas Chromatography (GC) (2) Sample Type (-) Blood (3) Serum or Plasma (2) Urine (1) Test Area Exposure (3) Test Category Gases (1) Solvents (2) Test Sub-Category Alcohols (5) Aromatics (1) BAC (2) Carboxylic Acids (1) Cyanide (1) Drug Facilitated Sexual Assault (1) (-) Hydrocarbons (1) (-) Organic (2) Organochlorides (3) Other (81) Sedative-Hypnotics (1) Solvents (1) Toxic Elements (1) Test Test Name 2270B Heptane, n-, Blood 2290B Hexane, n-, Blood 2745B Methane, Blood